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Ammonium bicarbonate CAS#1066-33-7

Ammonium bicarbonate CAS#1066-33-7
Iupac Name:azanium;hydrogen carbonate
CAS No.: 1066-33-7
Molecular Weight:79.0553
Introduction:
Ammonium bicarbonate (NH4HCO3) is an inorganic compound and a salt composed of the ammonium cation (NH4+) and the bicarbonate anion (HCO3–). At room temperature, it exists as a white crystalline solid with a faint ammonia-like odor. The compound is hygroscopic and tends to decompose at ambient conditions, releasing ammonia and carbon dioxide gases, which makes it unstable upon prolonged exposure to air. Due to its ionic nature, ammonium bicarbonate is moderately soluble in water, where it dissociates into its constituent ions.

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PRODUCT DESCRIPTION

Chemical & Physical Properties


Density1,586 g/cm3
Boiling Point169.8ºC
Melting Point105 °C
Molecular FormulaCH5NO3
Molecular Weight79.055
Exact Mass79.026939
PSA60.77000
LogP0.54630
Vapour density2.7 (vs air)
Vapour Pressure2.58E-05mmHg at 25°C
InChIKeyATRRKUHOCOJYRX-UHFFFAOYSA-N
SMILESO=C([O-])O.[NH4+]
StabilityStable. Incompatible with strong acids, alkali metals.
Water Solubility220 g/L (20 ºC)

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :BO8600000CAS REGISTRY NUMBER :1066-33-7LAST UPDATED :199706DATA ITEMS CITED :4MOLECULAR FORMULA :C-H2-O3.H3-NMOLECULAR WEIGHT :79.07WISWESSER LINE NOTATION :QVQ &ZH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :LD50 - Lethal dose, 50 percent killROUTE OF EXPOSURE :IntravenousSPECIES OBSERVED :Rodent - mouseDOSE/DURATION :245 mg/kgTOXIC EFFECTS :Lungs, Thorax, or Respiration - respiratory stimulation Behavioral - convulsions or effect on seizure thresholdREFERENCE :AJVRAH American Journal of Veterinary Research. (American Veterinary Medical Assoc., 930 N. Meacham Rd., Schaumburg, IL 60196) V.1- 1940- Volume(issue)/page/year: 29,897,1968 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81700 No. of Facilities: 2056 (estimated) No. of Industries: 12 No. of Occupations: 14 No. of Employees: 19985 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81700 No. of Facilities: 2082 (estimated) No. of Industries: 18 No. of Occupations: 25 No. of Employees: 38228 (estimated) No. of Female Employees: 22886 (estimated)

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