Hydrogenchlorid Produkt Beschreibung

Hydrochloric acid Struktur
7647-01-0
  • CAS-Nr.7647-01-0
  • Bezeichnung:Hydrogenchlorid
  • Englisch Name:Hydrochloric acid
  • Synonyma:Hydrogenchlorid;Hydrogenchlorid, wasserfrei<BR>Salzsäuregas
    HCL;Basilin;NA 1789;Zoutzuur;Itaconic;7647-01-0;Salzsaeure;bowlcleaner;Chlorowodor;Marine acid
  • CBNumber:CB7421538
  • Summenformel:ClH
  • Molgewicht:36.46
  • MOL-Datei:7647-01-0.mol
Hydrogenchlorid physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :-35 °C
  • Siedepunkt: :57 °C
  • Dichte :1.2 g/mL at 25 °C(lit.)
  • Dampfdichte :1.3 (vs air)
  • Dampfdruck :613 psi ( 21.1 °C)
  • Brechungsindex :1.3535
  • storage temp.  :2-8°C
  • Löslichkeit :H2O: soluble
  • Aggregatzustand :liquid
  • pka :-7(at 25℃)
  • Farbe :Light Yellow
  • Geruch (Odor) :Sharp, irritating odor detectable at 0.25 to 10 ppm
  • PH :1.2 (H2O, 20°C)
  • Wasserlöslichkeit :miscible
  • Sensitive  :Air & Light Sensitive
  • Merck  :14,4780
  • Stabilität: :Stable. Incompatible with alkalies, most metals. Avoid contact with water.
  • CAS Datenbank :7647-01-0(CAS DataBase Reference)
  • NIST chemische Informationen :Hydrogen chloride(7647-01-0)
  • EPA chemische Informationen :Hydrochloric acid(7647-01-0)
Sicherheit

Hydrochloric acid Chemische Eigenschaften,Einsatz,Produktion Methoden

  • Chemische Eigenschaften Hydrogen chloride, HCl, is a colorless, fuming, highly toxic gas that is soluble in water, alcohol, and ether. It is used in polymerization, isomerization, and the synthesis of vinyl chloride and alkyl chloride.
  • Chemische Eigenschaften Hydrochloric acid, or hydrogen chloride, is either a colorless liquid with a pungent odor, or a colorless to slightly yellow gas that can be shipped as a liquefi ed compressed gas. The acid is used in the production of fertilizers, dyes, dyestuffs, artifi cial silk, and paint pig- ments, and in refi ning edible oils and fats. Hydrochloric acid is also used in electroplating, leather tanning, ore refi ning, soap refi ning, petroleum extraction, and pickling of metals, and is used in the photographic, textile, and rubber industries. In addition, hydrochloric acid is used as an antiseptic in toilet bowls against animal pathogenic bacteria, and in food processing as a starch modifi er.
  • Verwenden Hydrochloric Acid is an acid that is the aqueous solution of hydro- gen chloride of varying concentrations. it is miscible with water and with alcohol. it is used as an acidulant and neutralizing agent.
  • Definition ChEBI: A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms.
  • Verwenden In the production of chlorides; refining ore in the production of tin and tantalum; for the neutralization of basic systems; as laboratory reagent; hydrolyzing of starch and proteins in the preparation of various food products; pickling and cleaning of metal products; as catalyst and solvent in organic syntheses. Also used for oil- and gas-well treament and in removing scale from boilers and heat-exchange equipment. Pharmaceutic aid (acidifier).
  • ERSCHEINUNGSBILD FARBLOSES KOMPRIMIERTES FLüSSIGGAS MIT STECHENDEM GERUCH.
  • PHYSIKALISCHE GEFAHREN Das Gas ist schwerer als Luft.
  • Air & Water Reaktionen Fumes strongly in moist air. Soluble in water with evolution of heat.
  • CHEMISCHE GEFAHREN Starke Säure in wässriger Lösung. Reagiert sehr heftig mit Basen. ätzend. Reagiert sehr heftig mit Oxidationsmitteln. Greift viele Metalle in Gegenwart von Wasser an unter Bildung von brennbarem Gas (Wasserstoff, s.ICSC-Nr. 0001).
  • ARBEITSPLATZGRENZWERTE TLV: 2 ppm; (als STEL, ceiling); Krebskategorie A4 (nicht klassifizierbar als krebserzeugend für den Menschen); (ACGIH 2005).
    MAK: 2 ppm 3,0 mg/m?Spitzenbegrenzung: überschreitungsfaktor I(2); Schwangerschaft: Gruppe C; (DFG 2005).
  • Reaktivität anzeigen ANHYDROUS HYDROGEN CHLORIDE is an anhydrous (no water) strong acid. Reacts rapidly and exothermically with bases of all kinds (including amines and amides). Reacts exothermically with carbonates (including limestone and building materials containing limestone) and hydrogen carbonates to generate carbon dioxide. Reacts with sulfides, carbides, borides, and phosphides to generate toxic or flammable gases. Reacts with many metals (including aluminum, zinc, calcium, magnesium, iron, tin and all of the alkali metals) to generate flammable hydrogen gas. Reacts violently with acetic anhydride, 2-aminoethanol, ammonium hydroxide, calcium phosphide, chlorosulfonic acid, 1,1-difluoroethylene, ethylenediamine, ethyleneimine, oleum, perchloric acid, b-propiolactone, propylene oxide, silver perchlorate/carbon tetrachloride mixture, sodium hydroxide, uranium(IV) phosphide, vinyl acetate, calcium carbide, rubidium carbide, cesium acetylide, rubidium acetylide, magnesium boride, mercury(II) sulfate [Lewis]. Undergoes a very energetic reaction with calcium phosphide [Mellor 8:841(1946-1947)]. Corrosive to metals and tissues and irritating to the eyes and respiratory system. Corrodes galvanized or copper-alloy metals (brass, bronze); fittings of stainless steel or mild or cast steel must therefore be used. Reacts with calcium carbide with incandescence [Mellor 5:862(1946-1947]. Absorption on mercuric sulfate becomes violent at 125°C. [Mellor 2, Supp. 1:462(1956)].
  • AUFNAHMEWEGE Aufnahme in den Körper durch Inhalation.
  • Hazard Toxic by inhalation, strong irritant to eyes and skin. Questionable carcinogen.
  • Health Hazard Exposures to hydrochloric acid cause severe health effects and corrosive reactions. Concentrated hydrochloric acid (fuming hydrochloric acid) forms acidic mists. Both the mist and the solution have a corrosive effect on human tissue, with the potential to damage the respiratory organs, eyes, skin, and intestines. Inhalation of vapors can cause coughing, choking, infl ammation of the nose, throat, and upper respiratory tract, and in severe cases, pulmonary edema, circulatory failure, and death. Accidental ingestion and/or swallow- ing of hydrochloric acid at workplaces causes immediate pain and burns of the mouth, throat, esophagus, and gastrointestinal tract. It also causes nausea, vomiting, and diar- rhea, and in severe cases, death. Any kind of contact of the skin surfaces to hydrochloric acid causes redness, pain, and severe skin burns. Concentrated solutions of hydrochloric acid cause deep ulcers and discolor the skin. Vapors of hydrochloric acid cause irritat- ing effects to the eyes and eye damage, leading to severe burns and permanent eye dam- age. Long-term exposures to concentrated vapors of hydrochloric acid cause erosion of the teeth. Occupational workers and persons with pre-existing skin disorders or eye disease are more susceptible to the effects of hydrochloric acid.
  • Health Hazard Hydrochloric acid and hydrogen chloride gas are highly corrosive substances that may cause severe burns upon contact with any body tissue. The aqueous acid and gas are strong eye irritants and lacrimators. Contact of conc hydrochloric acid or concentrated HCl vapor with the eyes may cause severe injury, resulting in permanent impairment of vision and possible blindness, and skin contact results in severe burns. Ingestion can cause severe burns of the mouth, throat, and gastrointestinal system and can be fatal. Inhalation of hydrogen chloride gas can cause severe irritation and injury to the upper respiratory tract and lungs, and exposure to high concentrations may cause death. HCl gas is regarded as having adequate warning properties
    Hydrogen chloride has not been found to be carcinogenic or to show reproductive or developmental toxicity in humans
  • INHALATIONSGEFAHREN Eine gesundheitsschädliche Konzentration des Gases in der Luft wird beim Entweichen aus dem Behälter sehr schnell erreicht.
  • Health Hazard Gas concentrations of 50 to 100 ppm are tolerable for 1 hour. Concentrations of 1,000 to 2,000 ppm are dangerous, even for brief exposures. More severe exposures will result in serious respiratory distress and prolonged exposures will result in death. Mists of hydrochloric acid are considered less harmful than anhydrous hydrochloric acid, because droplets have no dehydrating action. Individuals with respiratory problems and digestive diseases may be adversely affected by low level exposures to the gas or mist.
  • WIRKUNGEN BEI KURZZEITEXPOSITION WIRKUNGEN BEI KURZZEITEXPOSITION:
    Schnelle Verdampfung kann zu Erfrierungen führen. Das Gas verätzt die Augen, die Haut und die Atemwege. Inhalation hoher Gaskonzentrationen kann zu Lungenentzündung und Lungenödem mit nachfolgendem Reaktivem Atemwegsfunktionsstörungssyndrom (RADS) führen (s.Anm.). Die Auswirkungen treten u.U. verzögert ein. ärztliche Beobachtung notwendig.
  • Brandgefahr Fire may produce irritating or poisonous gases. Containers may explode in heat of fire. At high temperatures, Hydrochloric acid decomposes into hydrogen and chlorine. The following materials should be avoided: Mercuric sulfate -- violent reaction with gaseous hydrochloric acid at 250F. Sodium -- reacts vigorously with gaseous hydrochloric acid. Acetic anhydride, 2-aminoethanol, ammonium hydroxide, chlorosulfonic acid, ethylene diamine, ethyleneimine, oleum, propiolactone, sodium hydroxide, sulfuric acid, and vinyl acetate -- increase in temperature and pressure when mixed with hydrochloric acid. Calcium phosphide -- energetic reaction with hydrochloric acid. Silver perchlorate and carbon tetrachloride -- when mixed in combination with hydrochloric acid forms a compound that detonates at 105F. Formaldehyde -- when mixed with hydrochloric acid forms a human carcinogen. Material reacts violently with bases and is corrosive with the generation of heat. Reacts with base metals, forming combustible gas (hydrogen). Reacts violently with strong oxidants forming toxic gas (chlorine). Avoid heat; at high temperatures Hydrochloric acid will decompose into hydrogen and chlorine.
  • WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION Möglich sind Auswirkungen auf die Lunge. Führt zu chronischer Bronchitis. Möglich sind Auswirkungen auf die Zähne mit nachfolgenden Zahnerosionen.
  • Brandgefahr Noncombustible, but contact with metals may produce highly flammable hydrogen gas.
  • LECKAGE Gefahrenbereich verlassen! Fachmann zu Rate ziehen! Belüftung. Gas mit feinem Wassersprühstrahl niederschlagen. Persönliche Schutzausrüstung: Vollschutzanzug mit umgebungsluftunabhängigem Atemschutzgerät.
  • R-Sätze Betriebsanweisung: R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
    R37:Reizt die Atmungsorgane.
    R34:Verursacht Verätzungen.
    R35:Verursacht schwere Verätzungen.
    R23:Giftig beim Einatmen.
    R20:Gesundheitsschädlich beim Einatmen.
    R11:Leichtentzündlich.
    R67:Dämpfe können Schläfrigkeit und Benommenheit verursachen.
    R66:Wiederholter Kontakt kann zu spröder oder rissiger Haut führen.
    R22:Gesundheitsschädlich beim Verschlucken.
    R19:Kann explosionsfähige Peroxide bilden.
    R12:Hochentzündlich.
    R10:Entzündlich.
    R40:Verdacht auf krebserzeugende Wirkung.
    R20/22:Gesundheitsschädlich beim Einatmen und Verschlucken.
  • S-Sätze Betriebsanweisung: S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
    S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
    S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
    S9:Behälter an einem gut gelüfteten Ort aufbewahren.
    S33:Maßnahmen gegen elektrostatische Aufladungen treffen.
    S29:Nicht in die Kanalisation gelangen lassen.
    S16:Von Zündquellen fernhalten - Nicht rauchen.
    S46:Bei Verschlucken sofort ärztlichen Rat einholen und Verpackung oder Etikett vorzeigen.
  • Lager Splash goggles and rubber gloves should be worn when handling this acid, and containers of HCl should be stored in a wellventilated location separated from incompatible metals. Water should never be added to HCl because splattering may result; always add acid to water. Containers of hydrochloric acid should be stored in secondary plastic trays to avoid corrosion of metal storage shelves due to drips or spills.
    Cylinders of hydrogen chloride should be stored in cool, dry locations separated from alkali metals and other incompatible substances.
  • läuterung methode Pass it through conc H2SO4, then over activated charcoal and silica gel. It fumes in moist air. Hydrogen chloride in gas cylinders contains ethylene, 1,1-dichloroethane and ethyl chloride. The latter two may be removed by fractionating the HCl through a trap cooled to -112o. Ethylene is difficult to remove. HCl fumes in moist air. HARMFUL VAPOURS. Its solubility in H2O is 82% at 0o. A constant boiling aqueous solution (azeotrope) has b 108.6o/760mm with an HCl concentration of ~20%, and is called Hydrochloric acid (muriatic acid) (see above). [Schmeisser in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I pp 280-282 1963.]
  • Inkompatibilitäten Hydrochloric acid and hydrogen chloride react violently with many metals, with the generation of highly flammable hydrogen gas, which may explode. Reaction with oxidizers such as permanganates, chlorates, chlorites, and hypochlorites may produce chlorine or bromine.
  • Flammability and Explosibility Noncombustible, but contact with metals may produce highly flammable hydrogen gas.
  • Waste disposal In many localities, hydrochloric acid or the residue from a spill may be disposed of down the drain after appropriate dilution and neutralization. Otherwise, hydrochloric acid and waste material containing this substance should be placed in an appropriate container, clearly labeled, and handled according to your institution's waste disposal guidelines. Excess hydrogen chloride in cylinders should be returned to the manufacturer. For more information on disposal procedures, see Chapter 7 of this volume.
Hydrochloric acid Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
Hydrogenchlorid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
Global(0)Suppliers
7647-01-0, Hydrochloric acid Verwandte Suche:
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