Hydrazin Produkt Beschreibung

HYDRAZINE Struktur
302-01-2
  • CAS-Nr.302-01-2
  • Bezeichnung:Hydrazin
  • Englisch Name:HYDRAZINE
  • Synonyma:Hydrazin;Diamid<BR>Diamin<BR>Nitrogenhydrid<BR>(wasserfrei)
    N2H4;Zerox;Diamid;Diamine;Diazane;Hydrazin;Amerzine;Levoxine;HYDRAZINE;Hydrazyna
  • CBNumber:CB7742604
  • Summenformel:H4N2
  • Molgewicht:32.05
  • MOL-Datei:302-01-2.mol
Hydrazin physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :1,4°C
  • Siedepunkt: :65 °C
  • Dichte :1.011 g/mL at 25 °C
  • Dampfdichte :>1 (vs air)
  • Dampfdruck :5 mm Hg ( 25 °C)
  • Brechungsindex :n20/D 1.47(lit.)
  • Flammpunkt: :−4 °F
  • storage temp.  :2-8°C
  • Aggregatzustand :Liquid
  • pka :pK1 (25°): ~6.05
  • Farbe :Clear colorless
  • Geruch (Odor) :Fishy or ammonia-like odor detectable at 3 to 4 ppm (mean = 3.7 ppm)
  • Explosionsgrenze :99.99%
  • Wasserlöslichkeit :miscible with H2O and the following alcohols: methyl, ethyl, propyl, isobutyl [MER06]
  • Merck  :13,4789
  • BRN  :878137
  • Expositionsgrenzwerte :TLV-TWA (skin) 1 ppm (1.3 mg/m3 ) (MSHA and OSHA), 0.1 ppm (ACGIH).
  • Stabilität: :Stability May be an explosion hazard, particularly if heated. Incompatible with sources of ignition, light, shock, strong oxidizing agents, strong acids, metal oxides, nitrous oxide, hydrogen peroxide, most common metals, organic materials, porous materials such as wood, paper, asbestos, soil or rust. Many types of metal may cause rapid d
  • CAS Datenbank :302-01-2(CAS DataBase Reference)
Sicherheit

HYDRAZINE Chemische Eigenschaften,Einsatz,Produktion Methoden

  • ERSCHEINUNGSBILD FARBLOSE, RAUCHENDE UND HYGROSKOPISCHE FLüSSIGKEIT MIT STECHENDEM GERUCH.
  • CHEMISCHE GEFAHREN Zersetzung unter Bildung von Ammoniakrauchen, Wasserstoff und Stickstoffoxiden. Feuer- und Explosionsgefahr. Starkes Reduktionsmittel. Reagiert sehr heftig mit Oxidationsmitteln. Mittelstarke Base. Reagiert sehr heftig mit vielen Metallen, Metalloxiden und porösen Materialien unter Feuer- und Explosionsgefahr. Luft oder Sauerstoff sind für die Zersetzung nicht erforderlich.
  • ARBEITSPLATZGRENZWERTE TLV: 0.01 ppm (als TWA); Hautresorption; Krebskategorie A3 (bestätigte krebserzeugende Wirkung beim Tier mit unbekannter Bedeutung für den Menschen); (ACGIH 2005).
    MAK: Hautresorption; Sensibilisierung der Haut; Krebserzeugend Kategorie 2; (DFG 2005).
  • AUFNAHMEWEGE Aufnahme in den Körper durch Inhalation der Dämpfe, über die Haut und durch Verschlucken.
  • INHALATIONSGEFAHREN Beim Verdampfen bei 20°C kann sehr schnell eine gesundheitsschädliche Kontamination der Luft eintreten.
  • WIRKUNGEN BEI KURZZEITEXPOSITION WIRKUNGEN BEI KURZZEITEXPOSITION:
    Die Substanz verätzt die Augen und die Haut. Der Dampf dieser Substanz verätzt die Atemwege. Inhalation des Dampfes kann zu Lungenödem führen (s. Anm.). Möglich sind Auswirkungen auf Leber, Nieren und Zentralnervensystem. Exposition kann zum Tod führen. Die Auswirkungen treten u.U. verzögert ein. ärztliche Beobachtung notwendig.
  • WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION Wiederholter oder andauernder Kontakt kann zu Hautsensibilisierung führen. Möglich sind Auswirkungen auf Leber, Nieren und Zentralnervensystem. Möglicherweise krebserzeugend für den Menschen.
  • LECKAGE Gefahrenbereich verlassen! Fachmann zu Rate ziehen! Ausgelaufene Flüssigkeit in abdichtbaren Behältern sammeln. Reste mit Sand oder inertem Absorptionsmittel aufnehmen und an einen sicheren Ort bringen. NICHT mit Sägemehl oder anderen brennbaren Absorptionsmitteln binden. NICHT in die Umwelt gelangen lassen. Persönliche Schutzausrüstung: Vollschutzanzug mit umgebungsluftunabhängigem Atemschutzgerät.
  • R-Sätze Betriebsanweisung: R45:Kann Krebs erzeugen.
    R23/24/25:Giftig beim Einatmen, Verschlucken und Berührung mit der Haut.
    R34:Verursacht Verätzungen.
    R43:Sensibilisierung durch Hautkontakt möglich.
    R50/53:Sehr giftig für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
    R10:Entzündlich.
    R51/53:Giftig für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
    R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
    R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der Haut.
    R19:Kann explosionsfähige Peroxide bilden.
    R11:Leichtentzündlich.
  • S-Sätze Betriebsanweisung: S53:Exposition vermeiden - vor Gebrauch besondere Anweisungen einholen.
    S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
    S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
    S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
    S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
    S60:Dieses Produkt und sein Behälter sind als gefährlicher Abfall zu entsorgen.
    S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
  • Chemische Eigenschaften colourless oily liquid
  • Verwenden Reducing agent for many transition metals and some nonmetals (arsenic, selenium, tellurium), as well as uranium and plutonium; corrosion inhibitor in boiler feedwater and reactor cooling water; waste water treatment; electrolytic plating of metals on glas
  • Definition A colorless liquid that can be prepared by the oxidation of ammonia with sodium chlorate(I) or by the gas phase reaction of ammonia with chlorine. Hydrazine is a weak base, forming salts (e.g. N2H4.HCl) with strong acids. It is a powerful reducing agent, reducing salts of the noble metals to the metal. Anhydrous hydrazine ignites spontaneously in oxygen and reacts violently with oxidizing agents. The aqueous solution, hydrazine hydrate, has been used as a fuel for jet engines and for rockets.
  • Definition hydrazine: A colourless liquid orwhite crystalline solid,N2H4; r.d. 1.01(liquid); m.p. 1.4°C; b.p. 113.5°C. It isvery soluble in water and soluble inethanol. Hydrazine is prepared bythe Raschig synthesis in which ammoniareacts with sodium(I) chlorate(sodium hypochlorite) to give NH2Cl,which then undergoes further reactionwith ammonia to give N2H4. Industrialproduction must be carefullycontrolled to avoid a side reactionleading to NH4Cl. The compound is aweak base giving rise to two series ofsalts, those based on N2H5+, whichare stable in water (sometimes writtenin the form N2H4.HCl rather thanN2H5+Cl-), and a less stable and extensivelyhydrolysed series based onN2H62+. Hydrazine is a powerful reducingagent and reacts violentlywith many oxidizing agents, henceits use as a rocket propellant. It reactswith aldehydes and ketones togive hydrazones.
  • Allgemeine Beschreibung Colorless liquid with an ammonia-like odor. A violent poison. Causes delayed eye irritation. Very corrosive, attacks glass, rubber, and cork. Corrodes molybdenum steels such as Allegheny stainless 316.
    It is a strong reducing agent and a flammable liquid and vapour. Hydrazine is a useful building block in organic synthesis of pharmaceuticals and pesticides. There are many kinds of hydrazine compounds, including hydrazine, 1,1-dimethylhydrazine, and 1,2-dimethylhydrazine. Small amounts of hydrazine occur naturally in plants. Most hydrazines are manufactured for use as rocket propellants and fuels, boiler water treatments, chemical reactants, medicines, and in cancer research. Hydrazines are highly reactive and easily catch fire.
  • Air & Water Reaktionen Fumes in air. Water soluble.
  • Reaktivität anzeigen HYDRAZINE are strongly basic and are powerful reducing agents. Note that a 64% solution corresponds to the composition hydrazine hydrate (N2H4.H2O). Spontaneous ignition can occur with hydrogen peroxide and nitric acid. Contact with metallic oxide surfaces may lead to flaming decomposition [Haz. Chem. Data (1966)]. The reaction between 2,4-dinitrochlorobenzene and hydrazine hydrate shattered the reaction flask [Wischmeyer 1967]. Spontaneous ignition occurs when nitrous oxide and hydrazine are mixed [Mellor 8, Supp. 2:214(1967)]. Potassium and sodium dichromate react explosively with hydrazine [Mellor 11:234(1946-1947)]. Hydrazine hydrate reacts with stannous chloride to give stannous dihydrazinechloride, which decomposes explosively when heated [Mellor 7:430(1946-1947)]. Explodes during distillation if traces of air are present. Affected by UV and metal ion catalysis [Merck, 11th ed., 1989].
  • Hazard Severe explosion hazard when exposed to heat or by reaction with oxidizers. Toxic by ingestion, inhalation, and skin absorption; strong irritant to skin and eyes; a confirmed carcinogen.
  • Health Hazard Hydrazine is extremely destructive to the tissues of the mucous membranes and upper respiratory tract, eyes, and skin. Skin contact with the liquid can result in severe burns; hydrazine is readily absorbed through the skin, leading to systemic effects, which may include damage to the liver, kidney, nervous system, and red blood cells. Hydrazine vapor is irritating to the nose, throat, and respiratory tract, and inhalation of high concentrations may be fatal as a result of spasm, inflammation, chemical pneumonitis, and pulmonary edema. Symptoms of exposure may include a burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. Hydrazine vapor is extremely irritating to the eyes and can cause temporary blindness. Eye contact with the liquid can result in severe burns and permanent damage. Hydrazine is not considered to have adequate warning properties. Hydrazine is listed by IARC in Group 2B "possible human carcinogen" and is classified as a "select carcinogen" according to the criteria of the OSHA Laboratory Standard.Chronic exposure to subacute levels of hydrazine can cause lethargy, vomiting, tremors, itching and burning of the eyes and skin, conjunctivitis, and contact dermatitis. Hydrazine has been found to exhibit reproductive and developmental toxicity in animal tests.
  • Health Hazard Hydrazine vapors are highly irritating tothe eyes, nose, and throat. Inhalation of itsvapors or ingestion of the liquid can causenausea, vomiting, dizziness, and convulsions.Chronic exposure can cause injury to thelung, liver, and kidney. Skin contact with theliquid may result in severe burns. Contactwith the eyes can cause damage to vision.
    LC50 value, inhalation (rats): 570 ppm/4 h
    LD50 value, oral (rats): 60 mg/kg
    Hydrazine is a suspected carcinogen. Animal studies indicate sufficient evidence of itscarcinogenicity. Administration of this compound by inhalation, oral, and intravenousroutes caused tumors in the blood and lungin laboratory animals. There is, however, noevidence of any carcinogenic action of thiscompound in humans.
  • Health Hazard May cause toxic effects if inhaled or ingested/swallowed. Contact with substance may cause severe burns to skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
  • Brandgefahr Flammable/combustible material. May be ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
  • Brandgefahr Hydrazine is a flammable liquid (NFPA rating = 3) over a very broad range of vapor concentrations (4.7 to 100%). Hydrazine may undergo autoxidation and ignite spontaneously when brought in contact with porous substances such as rusty surfaces, earth, wood, or cloth. Fires should be extinguished with water spray, carbon dioxide, or dry chemical extinguishers.
  • Flammability and Explosibility Hydrazine is a flammable liquid (NFPA rating = 3) over a very broad range of vapor concentrations (4.7 to 100%). Hydrazine may undergo autoxidation and ignite spontaneously when brought in contact with porous substances such as rusty surfaces, earth, wood, or cloth. Fires should be extinguished with water spray, carbon dioxide, or dry chemical extinguishers.
  • Lager work with hydrazine should be conducted in a fume hood to prevent exposure by inhalation, and splash goggles and impermeable gloves should be worn at all times to prevent eye and skin contact. Hydrazine should be used only in areas free of ignition sources. Hydrazine should be stored under nitrogen in containers placed in secondary containers in areas separate from oxidizers and acids.
  • läuterung methode Hydrazine hydrate is dried by refluxing with an equal weight of KOH pellets for 3hours, then distilled from fresh solid NaOH or BaO in a current of dry N2. Use stainless steel or copper equipment. Hydrazine and its hydrates have VERY IRRITATING and TOXIC vapours and should be used in an efficient fume cupboard. Store in a well-stoppered vessel, preferably under N2. It is a reducing agent. [Schenk in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I pp 469-472 1963.]
  • Inkompatibilitäten Hydrazine is a highly reactive reducing agent that forms shock-sensitive, explosive mixtures with many compounds. It explodes on contact with barium oxide, calcium oxide, chromate salts, and many other substances. On contact with metal catalysts (platinum black, Raney nickel, etc.), hydrazine decomposes to ammonia, hydrogen, and nitrogen gases, which may ignite or explode.
  • Waste disposal In the event of a spill, remove all ignition sources, soak up the hydrazine with a spill pillow or absorbent material, place in an appropriate container, and dispose of properly. Evacuation and cleanup using respiratory protection may be necessary in the event of a large spill or release in a confined area. Disposal Excess hydrazine 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. For more information on disposal procedures, see Chapter 7 of this volume.
HYDRAZINE Upstream-Materialien And Downstream Produkte
Upstream-Materialien
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302-01-2, HYDRAZINE Verwandte Suche:
  • Amerzine
  • Catalyzed hydrazine
  • Diazane
  • Hydrazin
  • Hydrazine base
  • Hydrazine anhydrous
  • HYDRAZINE
  • HYDRAZINE STANDARD
  • Diamine
  • AKOS BBS-00004416
  • Hydrazine solution
  • HYDRAZINE 55% INDUSTRIAL
  • HYDRAZINE ANHYDROUS 98%
  • HYDRAZINE, 1.0M SOLUTION IN TETRAHYDRO-F URAN
  • HYDRAZINE SOLUTION ANHYDROUS, ~1 M IN TH F
  • HYDRAZINE, 35 WT. % SOLUTION IN WATER
  • HYDRAZINE 35% (W/W) AQUEOUS SOLUTION
  • Hydrazine, aqueous solution, with not more than 37% Hydrazine.
  • ANHYDROUSHYDRAZINE
  • HYDRAZINEHYDRATED
  • Diamid
  • Hydrazine (R, T)
  • Hydrazine, standard solution, Specpure(R), N2H4 100μg/ml
  • Hydrazine anhydride
  • Hydrazine, 98.5%
  • hydrazine,aqueoussolutions,withmorethan64%hydrazine
  • hydrazinebase
  • hydrazinesolutionanhydrous
  • Hydrazines
  • Nitrogen Compounds
  • Organic Building Blocks
  • Building Blocks
  • Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes
  • Water Ttreatment Chemicals
  • HydrazinolysisEssential Chemicals
  • Chemical Deglycosylation
  • Deglycosylation Strategies
  • Reagent Grade
  • Routine Reagents
  • 302-01-2
  • H2NNH2
  • Hydrazyna
  • hydrazyna(polish)
  • Levoxine
  • N2H4
  • nitrogenhydride
  • oxytreat35
  • Rcra waste number U133
  • rcrawastenumberu133
  • Scav-Ox II
  • Ultra Pure
  • Zerox
  • Hydrazine, standard solution, Specpure, N<sub>2</sub>H<sub>4</sub> 100g/ml
  • Hydrazine, 1M solution in THF, AcroSeal
  • Hydrazine solution 1.0 M in THF
  • Hydrazine, standard solution, N
  • Hydrazine Anhydrous (2mL, Vial)
  • NH2NH2