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Ammonium acetate

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Ammonium acetate Basic information
Ammonium acetate Chemical Properties
  • Melting point:110-112 °C (dec.)(lit.)
  • Boiling point:138.46°C (rough estimate)
  • Density 1.07 g/mL at 20 °C
  • refractive index 1.4350 (estimate)
  • Flash point:136 °C
  • storage temp. 2-8°C
  • solubility H2O: 1 M at 20 °C, clear, colorless
  • pka4.6(Acetic Acid), 9.3(Ammonium Hydroxide)(at 25℃)
  • form Solid
  • color White
  • OdorSlight acetic acid odor
  • PH6.7-7.3 (50g/l, H2O, 25℃)
  • PH Range6.7 - 7.3
  • Water Solubility 1480 g/L (20 ºC)
  • λmaxλ: 260 nm Amax: 0.015
    λ: 280 nm Amax: 0.01
  • Sensitive Hygroscopic
  • Merck 14,495
  • BRN 4186741
  • InChIKeyUSFZMSVCRYTOJT-UHFFFAOYSA-N
  • CAS DataBase Reference631-61-8(CAS DataBase Reference)
  • NIST Chemistry ReferenceAmmonium acetate, anhydrous(631-61-8)
  • EPA Substance Registry SystemAmmonium acetate (631-61-8)
Safety Information
  • Safety Statements 24/25
  • RIDADR UN 9079
  • WGK Germany 3
  • RTECS AF3675000
  • 3
  • TSCA Yes
  • HS Code 29152900
  • Hazardous Substances Data631-61-8(Hazardous Substances Data)
  • ToxicityLD i.v. in mice: 1.8 mg (NH4+)/20g (Welch)
MSDS
Ammonium acetate Usage And Synthesis
  • Chemical PropertiesAmmonium acetate is a white, deliquescent crystalline solid with a slightly acetic odor. It is used as a reagent in analytical chemistry for determining lead and iron content,a chemical intermediate in manufacturing acetamide. It is also a diuretic in veterinary medicine, in other drugs, in textile dyeing, in meat preservative, in foam rubbers, in vinyl plastics, in stripping explosives, and in determining lead and iron content.
    Ammonium acetate
  • Physical propertiesWhite crystalline solid; deliquescent; melts at 114°C; decomposes at elevated temperatures; density 1.17 g/cm3 at 20°C, density of a 10% solution 1.022 g/mL, and a 50% solution 1.092 g/mL; very soluble in cold water (1,480 g/L at 4°C); also soluble in cold alcohol and acetone (78.9 g/L in methanol at 15°C); solution loses ammonia on standing and becomes acidic.
  • UsesAmmonium acetate is used in the manufacture of acetamide and as a diuretic and diaphoretic in medical applications. The wool industry also uses this salt as a dye mordant.
    Buffer solution; determination of lead and iron; separating lead sulfate from other sulfates.
  • PreparationAmmonium acetate is manufactured by neutralizing acetic acid with ammonium carbonate or by passing ammonia gas into glacial acetic acid. Acidic ammonium acetate, CH3CO2NH4.CH3CO2H[25007-86-7], is manufactured by dissolving the neutral salt in acetic acid.
  • General DescriptionA white crystalline solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Ammonium acetate is used in chemical analysis, in pharmaceuticals, in preserving foods, and for other uses.
  • Air & Water ReactionsWater soluble.
  • Reactivity ProfileAmmonium acetate causes the decomposition of sodium hypochlorite within a few seconds [Mellor 2 Supp. 1:550 1956].
  • Health HazardInhalation of dust irritates nose and mouth. Ingestion irritates mouth and stomach. Contact with dust causes irritation of eyes and mild irritation of skin.
  • Fire HazardSpecial Hazards of Combustion Products: Irritating vapors of ammonia acetic acid, and nitrogen oxides may form in fires.
  • Safety ProfilePoison by intravenous route. Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of NO, and NH3
  • Potential ExposureAmmonium acetate is used as a chemical reagent, to make drugs; foam rubber; vinyl plastics; explosives, and to preserve foods. An environmental threat.
  • ShippingUN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.
  • Purification MethodsCrystallise it twice from anhydrous acetic acid, and dry under vacuum for 24hours at 100o [Proll & Sutcliff Trans Faraday Soc 57 1078 1961].
  • IncompatibilitiesCombustible solid. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, sodium hypochlorite, potassium chlorate, sodium nitrite.
Ammonium acetate Preparation Products And Raw materials
Ammonium acetate(631-61-8)Related Product Information
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