Schwefelsure Produkt Beschreibung

Sulfuric acid  Struktur
7664-93-9
  • CAS-Nr.7664-93-9
  • Bezeichnung:Schwefelsure
  • Englisch Name:Sulfuric acid
  • Synonyma:Schwefelsure;Schwefelsäure 100%<BR>Vitriolöl
    BOU;So4--;So4-2;So42-;O2S(OH)2;Acid Mist;dippingacid;Sulfur acid;caswellno815;Dipping acid
  • CBNumber:CB9675634
  • Summenformel:C11H13NO4S
  • Molgewicht:255.29
  • MOL-Datei:7664-93-9.mol
Schwefelsure physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :10°C
  • Siedepunkt: :~290 °C(lit.)
  • Dichte :1.840 g/mL at 25 °C(lit.)
  • Dampfdichte :<0.3 (25 °C, vs air)
  • Dampfdruck :1 mm Hg ( 146 °C)
  • Flammpunkt: :11 °C
  • storage temp.  :Store at RT.
  • Löslichkeit :H2O: soluble
  • pka :-3-2(at 25℃)
  • Aggregatzustand :Viscous Liquid
  • Wichte :1.84
  • Farbe :Pale yellow to slight tan
  • Geruch (Odor) :Odorless
  • PH :1.3 (H2O, 20°C)
  • Wasserlöslichkeit :miscible
  • Sensitive  :Hygroscopic
  • Merck  :14,8974
  • Expositionsgrenzwerte :TLV-TWA air 1 mg/m3 (ACGIH, MSHA, and OSHA); TLV-STEL 3 mg/m3 (ACGIH). .
  • Stabilität: :Stable, but reacts with moisture very exothermically, which may enhance its ability to act as an oxidizing agent. Substances to be avoided include water, most common metals, organic materials, strong reducing agents, combustible materials, bases, oxidising agents. Reacts violently with water - when diluting concentrated acid, carefully and slo
  • CAS Datenbank :7664-93-9(CAS DataBase Reference)
  • NIST chemische Informationen :Sulfuric acid(7664-93-9)
  • EPA chemische Informationen :Sulfuric acid(7664-93-9)
Sicherheit

Sulfuric acid Chemische Eigenschaften,Einsatz,Produktion Methoden

  • ERSCHEINUNGSBILD FARBLOSE, öLIGE, HYGROSKOPISCHE FLüSSIGKEIT , GERUCHLOS.
  • ARBEITSPLATZGRENZWERTE TLV: 0,2 mg/m?(als TWA, thoraxgängige Fraktion) Krebskategorie A2 (Verdacht auf krebserzeugende Wirkung beim Menschen) (Schwefelsäure als Bestandteil starker anorganischer Säurenebel) (ACGIH 2005).
    MAK: 0,1 mg/m?(Einatembare Fraktion); Spitzenbegrenzung: überschreitungsfaktor I(1); Krebserzeugend Kategorie 4; Schwangerschaft: Gruppe C; (DFG 2005).
  • AUFNAHMEWEGE Aufnahme in den Körper durch Inhalation des Aerosols und durch Verschlucken.
  • INHALATIONSGEFAHREN Verdampfung bei 20°C vernachlässigbar; eine gesundheitsschädliche Partikelkonzentration in der Luft kann jedoch beim Versprühen schnell erreicht werden.
  • WIRKUNGEN BEI KURZZEITEXPOSITION WIRKUNGEN BEI KURZZEITEXPOSITION:
    ätzend. Die Substanz verätzt stark die Augen, die Haut und die Atemwege. ätzend beim Verschlucken. Inhalation eines Aerosols dieser Substanz kann zu Lungenödem führen (s.Anm.).
  • WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION Risiko der Lungenschädigung bei wiederholter oder längerer Exposition gegenüber eines Aerosols dieser Substanz. Risiko der Zahnschädigung bei wiederholter oder längerer Exposition gegenüber eines Aerosols dieser Substanz. Nebel starker anorganischer Säuren, die diese Substanz enthalten, sind krebserzeugend für den Menschen.
  • LECKAGE Fachmann zu Rate ziehen! Gefahrenbereich verlassen! NICHT mit Sägemehl oder anderen brennbaren Absorptionsmitteln binden. Persönliche Schutzausrüstung: Vollschutzanzug mit umgebungsluftunabhängigem Atemschutzgerät. NICHT in die Umwelt gelangen lassen.
  • R-Sätze Betriebsanweisung: R36/38:Reizt die Augen und die Haut.
    R35:Verursacht schwere Verätzungen.
    R39/23/24/25:Giftig: ernste Gefahr irreversiblen Schadens durch Einatmen, Berührung mit der Haut und durch Verschlucken.
    R23/24/25:Giftig beim Einatmen, Verschlucken und Berührung mit der Haut.
    R11:Leichtentzündlich.
  • S-Sätze Betriebsanweisung: S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
    S30:Niemals Wasser hinzugießen.
    S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
    S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
    S16:Von Zündquellen fernhalten - Nicht rauchen.
  • Chemische Eigenschaften clear, colorless, oily liquid; absorbs moisture from atmospheric; can char organic materials, e.g. sugar; miscible with water, evolving heat; enthalpy of fusion 10.71 kJ/mol; specific conductance 1.044×10?2 at 25°C; dielectric constant 110 at 20°C [MER06] [COT88] [CRC10]
  • Chemische Eigenschaften Sulfuric acid is a colorless to dark brown, odorless, oily liquid which is commercially sold @ 93% to 98% H2SO4, the remainder being water.
  • Chemische Eigenschaften Sulfuric acid occurs as a clear, colorless, odorless, oily liquid. It is very corrosive and has a great affinity for water.
    The USP32–NF27 specifies that sulfuric acid contains not less than 95% and not more than 98%, by weight, of H2SO4; the remainder is water.
  • History Sulfuric acid is a colorless, oily, dense liquid that is one of the most important industrial chemicals. More than 40 million tons are produced in the United States annually and approximately 170 million tons are produced globally. Sulfuric acid has a long history and was first produced by ancient alchemists. Its discovery is credited to the Persian physician Mohammad Ibn Zakariya al-Razi (Rhazes, 854 925), who produced sulfuric acid from the dry distillation of minerals. Dry distillation typically involves heating a substance in a closed container to limit oxygen and combustion. As the substance is heated, it decomposes and the volatile components can be captured. Because sulfuric acid was obtained from distilling minerals, it is called a mineral acid. The ancient method of sulfuric acid production involved heating either iron (II) sulfate heptahydrate (FeSO4 7H2O), which was called green vitriol, or copper (II) sulfate pentahydrate (CuSO4 5H2O), called blue vitriol. When minerals containing these compounds were heated, the products included sulfur trioxide (SO3) and water. The combination of sulfur trioxide and water produced sulfuric acid: SO3(g) + H2O(l) H2SO4(aq). The production of sulfuric acid from natural minerals called vitriols and its oily appearance led to the common name oil of vitriol for sulfuric acid.
  • Verwenden Sulfuric acid is the leading chemical inthe world in terms of production andconsumption. It is used in the productionof phosphate fertilizers, dyes, explosives,glues, and a number of sulfates. It isalso used in the purification of petroleum,cleaning of steel surfaces (metal pickling),and as a dehydrating agent. Commerciallysold concentrated H2SO4 contains 98% acid,with the remaining water; normality 36.
  • Verwenden Sulfuric Acid is an acidulant that is a clear, colorless, odorless liquid with great affinity for water. it is prepared by reacting sulfur dioxide with oxygen and mixing the resulting sulfur trioxide with water, or by reacting nitric oxide with sulfur dioxide in water. it is very cor- rosive. it is used as a modifier of food starch and is used in caramel production and in alcoholic beverages.
  • Verwenden Sulfuric acid is also called oil of vitriol, this colorless oily liquid was made by roasting pyrites or sulfur in a lead furnace. Sulfuric acid was mixed with either nitric acid or potassium nitrate to treat cotton in the making of nitro cellulose. The nitro cellulose was then dissolved in ether and alcohol for making collodion.
  • Verwenden Pharmaceutic aid (acidifying agent).
  • Definition Sulfuric acid,H2S04, also known as oil of vitriol and dipping acid,is a colorless, toxic,oily liquid.A great deal of heat is released when concentrated sulfuric acid and water are mixed;therefore, acid should always be added to water with sufficient stirring to prevent splattering and boiling. Sulfuric acid has a strong attraction for water and forms four crystalline hydrates. This affinity for water makes sulfuric acid an efficient drying agent for gases such as hydrogen, oxygen,nitrogen, and carbon dioxide,but results in the charring of organic compounds containing carbon,hydrogen, and oxygen such as cellulose, sugar,paper, and wood. Sulfuric acid participates in two types of oxidation reactions. One is the typical reaction of a strong acid that depends on the oxidizing power of the hydrogen ion, for example, the reaction of an active metal with the dilute acid to produce hydrogen. Sulfuric acid is a strong electrolyte and is used in electroplating baths,for pickling, and for other operations in the production of iron and steel. In the second type of oxidation reaction, the sulfate portion of the molecule reacts to form acid sulfates or bisulfates and the normal sulfates. Sulfuric acid is used in the manufacture of fertilizers, organic pigments, explosives, rayon, and film, Sulfuric acid has low volatility, a feature utilized in the manufacture of volatile acids such as nitric, hydrochloric, and hydrofluoric, where the volatile acid is vaporized when one of its salts is heated with the sulfuric acid.
  • Vorbereitung Methode Sulfuric acid may be prepared industrially by either the contact process or the chamber process.
    Contact Process
    2SO2+O2→2SO3
    SO3+H2O→H2SO4
    Chamber Process
    2NO+O2→2NO2
    NO2+SO2+H2O→H2SO4+NO
  • Air & Water Reaktionen Reaction with water is negligible unless acid strength is above 80-90% then heat from hydrolysis is extreme, may cause severe burns [Merck, 11th ed. 1989]. During sulfonation of mononitrobenzene by fuming Sulfuric acid , a leak from an internal cooling coil permitted water to enter the reaction tank. A violent eruption occurred due to the heat of solution [MCA Case History 944 1963].
  • Reaktivität anzeigen Sulfuric acid is strongly acidic. Reacts violently with bromine pentafluoride [Mellor 2 Supp. 1:172 1956]. Exploded with para-nitrotoluene at 80 °C [Chem. Eng. News 27:2504]. An explosion occurred when concentrated Sulfuric acid was mixed with crystalline potassium permanganate in a vessel containing moisture. Manganese heptoxide was formed, which explodes at 70°C [Delhez 1967]. A mixture of acrylonitrile with concentrated Sulfuric acid must be kept well chilled, otherwise a vigorous exothermic reaction occurs [Chem. Safety Data Sheet SD-31:8. 1949]. Mixing Sulfuric acid (96%) in equal portions with any of the following substances in a closed container caused the temperature and pressure to increase: acetonitrile, acrolein, 2-aminoethanol, ammonium hydroxide (28%), aniline, n-butyraldehyde, chlorosulfonic acid, ethylene diamine, ethyleneimine, epichlorohydrin, ethylene cyanohydrin, hydrochloric acid (36%), hydrofluoric acid (48.7%), propiolactone, propylene oxide, sodium hydroxide, styrene monomer [NFPA 1991]. Sulfuric acid (concentrated) is extremely hazardous in contact with carbides, bromates, chlorates, fulminates, picrates, and powdered metals [Haz. Chem. Data 1966]. Allyl chloride may polymerize violently under conditions involving an acid catalyst, such as Sulfuric acid [Ventrone 1971]. React exothermically with sodium hypochlorite to produce chlorine gas. Mixing chloroSulfuric acid and 98% Sulfuric acid may evolve HCl [Subref: Anon, Loss Prev. Bull. 1977, (013), 2-3]. Zinc iodide reacts violently with H2SO4. (Pascal, 1962, Vol. 5, 168).
  • Hazard Strong irritant to tissue. Pulmonary function inhibitor. Confirmed carcinogen.
  • Health Hazard Corrosive to all body tissues. Inhalation of vapor may cause serious lung damage. Contact with eyes may result in total loss of vision. Skin contact may produce severe necrosis. Fatal amount for adult: between 1 teaspoonful and one-half ounce of the concentrated chemical. Even a few drops may be fatal if the acid gains access to the trachea. Chronic exposure may cause tracheobronchitis, stomatitis, conjunctivitis, and gastritis. Gastric perforation and peritonitis may occur and may be followed by circulatory collapse. Circulatory shock is often the immediate cause of death. Those with chronic respiratory, gastrointestinal, or nervous diseases and any eye and skin diseases are at greater risk.
  • Health Hazard Concentrated sulfuric acid is a very corrosiveliquid that can cause severe, deep burns to tissue. It can penetrate through skin andcause tissue necrosis. The effect may besimilar to that of thermal burns. Contact withthe eyes can cause permanent loss of vision.
    Inhalation of its vapors or mist can produce severe bronchial constriction. Becausethe vapor pressure of sulfuric acid is negligible, <0.001 torr at 20°C (68°F), the inhalation hazard is low. However, the acid mists,having a particle size of <7 μm, may penetrate the upper respiratory tract and nasalpassage. Human exposure to acid mist at aconcentration of 5 mg/m3 in air producedcoughing. At concentrations of <1 mg/m3,there was no irritation. Chronic exposure tosulfuric acid mist may produce bronchitis,conjunctivitis, skin lesions, and erosion ofteeth. Frequent contact with dilute acid cancause dermatitis of skin.
    LD50 value, oral (rats): 2140 mg/kg
    LC50 value, inhalation (rats): 510 mg/m3/2 h.
  • Health Hazard Concentrated sulfuric acid is a highly corrosive liquid that can cause severe, deep burns upon skin contact. The concentrated acid destroys tissue because of its dehydrating action, while dilute H 2SO4 acts as a skin irritant because of its acid character. Eye contact with concentrated H2SO4 causes severe burns, which can result in permanent loss of vision; contact with dilute H2SO4 results in more transient effects from which recovery may be complete. Sulfuric acid mist severely irritates the eyes, respiratory tract, and skin. Because of its low vapor pressure, the principal inhalation hazard from sulfuric acid involves breathing in acid mists, which may result in irritation of the upper respiratory passages and erosion of dental surfaces. Higher inhalation exposures may lead to temporary lung irritation with difficulty breathing. Ingestion of sulfuric acid may cause severe burns to the mucous membranes of the mouth and esophagus. Animal testing with sulfuric acid did not demonstrate carcinogenic, mutagenic, embryotoxic, or reproductive effects. Chronic exposure to sulfuric acid mist may lead to bronchitis, skin lesions, conjunctivitis, and erosion of teeth.
  • Brandgefahr Sulfuric acid is noncombustible but can cause finely divided combustible substances to ignite. Sulfuric acid reacts with most metals, especially when dilute, to produce flammable and potentially explosive hydrogen gas.
  • Brandgefahr Sulfuric acid is highly reactive and capable of igniting finely-divided combustible materials on contact. When heated, Sulfuric acid emits highly toxic fumes. Avoid heat; water and organic materials. Sulfuric acid is explosive or incompatible with an enormous array of substances. Can undergo violent chemical change at elevated temperatures and pressure. May react violently with water. When heated, Sulfuric acid emits highly toxic fumes. Hazardous polymerization may not occur.
  • Flammability and Explosibility Sulfuric acid is noncombustible but can cause finely divided combustible substances to ignite. Sulfuric acid reacts with most metals, especially when dilute, to produce flammable and potentially explosive hydrogen gas.
  • Pharmazeutische Anwendungen Sulfuric acid is used as an acidifying agent in a variety of pharmaceutical and food preparations. It may also be used to prepare dilute sulfuric acid, which, in addition to its use as an excipient, has some therapeutic use for the treatment of gastric hypoacidity, as an astringent in diarrhea, or to stimulate appetite. Sulfuric acid has been used in parenteral, oral, topical, and ophthalmic pharmaceutical formulations.
  • Industrielle Verwendung Sulfuric acid (H2SO4) is the most widely used acid for pH control in mineral flotation. Sulfuric acid can be manufactured by several processes including the burning of pure sulfur, roasting of pyrite and from the recovery of SO2 stack gas from a smelter operation. Sulfuric acid is a colorless to amber, slightly cloudy and oily liquid with a specific gravity of 1.84 at 95% strength. In mineral flotation, sulfuric acid is used in almost all applications involving acid pH control. It is also used as a pulp pretreatment chemical during flotation of oxidic and industrial minerals. Pulp pretreatment with sulfuric acid improves flotation of ilmenite, perovskite, phenacite, beryl and other minerals.
  • Sicherheitsprofil Suspected human carcinogen when contained in strong inorganic mists. A human poison. Experimental poison by inhalation. Moderately toxic by ingestion. A severe eye irritant. Extremely irritating, corrosive, and toxic to tissue, resulting in rapid destruction of tissue, causing severe burns. If much of the skin is involved, exposure is accompanied by shock, collapse, and symptoms similar to those seen in severe burns. Repeated contact with dilute solutions can cause a dermatitis, and repeated or prolonged inhalation of a mist of sulfuric acid can cause inflammation of the upper respiratory tract, leading to chronic bronchitis. Sensitivity to sulfuric acid or its mists or vapors varies with individuals. Normally 0.125-0.50 ppm may be mildly annoying, 1.5-2.5 ppm can be definitely unpleasant, and 10-20 ppm is unbearable. Workers exposed to low concentrations of the vapor gradually lose their sensitivity to its irritating action. Inhalation of concentrated vapor or mists from hot acid or oleum can cause rapid loss of consciousness with serious damage to lung tissue. Severe exposure may cause a chemical pneumonitis; erosion of the teeth due to exposure to strong acid fumes has been recopzed in industry. An experimental teratogen.Ths is a very powerful acidc oxidmer that can ignite or explode on contact with many materials, e.g., acetic acid, acetone cyanhydrin, (acetone + HNO3), (acetone + K2Cr207), acetonitrile, acrolein, acrylonitrile, (acrylonitrile + H20), (alcohols + H2O2), allyl alcohol, allyl chloride, NH4OH, 2-amino ethanol, NH4, triperchromate, anhe, (bromates + metals), BrF5, n-butyraldehyde, carbides, CoHC2, chlorates, (metals + chlorates), ClF3, chlorosulfonic acid, Cu3N, diisobutylene, (dimethyl benzylcarbinol + H204, epichlorohydrin, ethylene cyanhydrin, ethylene diamine, ethylene glycol, ethylene imine, fulminates, HCl, H2, IF7, (indene + HNO3), Fe, isoprene, LisSiz, Hg3N2, mesityl oxide, metals, (HNO3 + glycerides), p-nitrotoluene, perchlorates, HClO4, (C6H6 + permanganates), pentasilver trihydroxydiamino phosphate, (l-phenyl-2-methyl propyl alcohol + H2O2), P, P(OCN)3, picrates, potassium-tertbutoxide, KClO3, KMnO4 + KCl), (KMnO4 + H2O), p-propiolactone, RbHC2, propylene oxide, pyridine, Na, Na2CO3, NaOH, steel, styrene monomer, water, vinyl acetate, (HNO3 + toluene). When heated it emits highly toxic fumes; wdl react with water or steam to produce heat; can react with oxidizing or reducing materials. When heated to decomposition it emits toxic fumes of SOX. See also SULFATES.
  • Sicherheit(Safety) Sulfuric acid is widely used in a variety of pharmaceutical formulations. Although concentrated sulfuric acid is very corrosive, it is normally used well diluted in formulations. Concentrated sulfuric acid will react violently with water and much heat is generated. When diluting sulfuric acid, the acid should always be added to the other liquid with great caution.
    The concentrated solution is extremely corrosive and can cause severe damage or necrosis on contact with the eyes and skin. Ingestion may cause severe injury or death. Inhalation of concentrated vapors can cause serious lung damage.
    LD50 (rat, oral): 2.14 g/kg
  • mögliche Exposition Used as a chemical feedstock in the manufacture of acetic acid, hydrochloric acid; citric acid; phosphoric acid; aluminum sulfate; ammonium sulfate;barium sulfate; copper sulfate; phenol, superphosphates, titanium dioxide; as well as synthetic fertilizers, nitrate explosives; artificial fibers; dyes, pharmaceuticals, detergents, glue, paint, and paper. It finds use as a dehydrating agent for esters and ethers due to its high affinity for water; as an electrolyte in storage batteries; for the hydrolysis of cellulose to obtain glucose; in the refining of mineral and vegetable oil; and in the leather industry. Other uses include fur and food processing; carbonization of wool fabrics; gas drying; uranium extraction from pitchblende; and laboratory analysis. Sulfuric acid is among the highestvolume produced chemical in the United States.
  • Erste Hilfe If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. If victim is conscious, administer water, or milk. Do not induce vomiting. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy.
  • Lager Splash goggles and rubber gloves should be worn when handling this acid, and containers of sulfuric acid should be stored in a wellventilated location, separated from organic substances and other combustible materials. Containers of sulfuric acid should be stored in secondary plastic trays to avoid corrosion of metal storage shelves due to drips or spills. Water should never be added to sulfuric acid because splattering may result; always add acid to water
  • Lager Sulfuric acid is stable but very corrosive and hygroscopic. It will draw moisture from the atmosphere. Sulfuric acid should be stored in a tightly closed container in an explosion-proof area. Containers should be stored out of direct sunlight and away from heat. Avoid heat and moisture. Isolate from incompatible materials.
  • Versand/Shipping UN1830 Sulfuric acid with >51% acid or sulfuric acid with not >51% acid, Hazard class: 8; Labels: 8-Corrosive material. UN1831 Sulfuric acid, fuming with 30% or more free sulfur trioxide and Sulfuric acid, fuming, with <30% free sulfur trioxide, Hazard class: 8; Labels: 8-Corrosive material. UN1832 Sulfuric acid, spent, Hazard class: 8; Labels: 8-Corrosive material.
  • läuterung methode Sulfuric acid, and also 30% fuming H2SO4, can be distilled in an all-Pyrex system, optionally from potassium persulfate. It has been purified by fractional crystallisation of the monohydrate from the liquid. It has a very strong dehydrating action and attacks skin—wash immediately with cold H2O; otherwise the skin can be scarred for life. It is very hygroscopic and has been used as a desiccant in desiccators. Dilution with H2O is highly exothermic, and because the concentrated acid is much more dense than H2O it is diluted by running the concentrated acid down the side of the container of H2O with slowly stirring while cooling the outside of the container. If these precautions are not taken, the H2O is likely to boil vigorously.
  • Inkompatibilitäten A strong acid and oxidizer. Reacts violently with water with dangerous spattering and evolution of heat. Reacts violently with combustible and reducing materials; bases, organic materials; chlorates, carbides, picrates, fulminates, water, powdered metals. Corrosive to most common metals forming explosive hydrogen gas.
  • Inkompatibilitäten Avoid storage in close proximity to water, most common metals, organic materials, strong reducing agents, combustible materials, strong bases, carbonates, sulfides, cyanides, strong oxidizing agents, and carbides.
    Sulfuric acid is a powerful oxidizer and may ignite or explode on contact with many materials.
    It can react violently with the evolution of a large amount of heat. Oxides of sulfur and hydrogen can be generated during reactions.
    Great care must be exercised when mixing with other liquids. Always add sulfuric acid to the diluent with great caution.
  • Waste disposal Add slowly to solution of soda ash and slaked lime with stirring; flush to drain with large volumes of water. Recovery and reuse of spent sulfuric acid may be a viable alternative to disposal, and processes are available.
  • Regulatory Status GRAS listed. Accepted for use as a food additive in Europe. Included in the FDA Inactive Ingredients Database (IM, IV, and IP injections, inhalation solutions, irrigation solutions, nasal, ophthalmic solutions and suspensions, oral solutions, and topical emulsions and creams). Included in nonparenteral and parenteral medicines licensed in Europe. Included in the Canadian List of Acceptable Non-medicinal Ingredients.
    The United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances (1988) lists sulfuric acid as a chemical frequently used in the illicit manufacture of narcotic drugs or psychotropic substances. In the USA, sulfuric acid is included in the list of essential or precursor chemicals established pursuant to the Chemical Diversion and Trafficking Act. Accordingly, transactions of sulfuric acid such as imports, exports, sales, and transfers are subject to regulation and monitoring by the Drug Enforcement Administration.
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