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1336-21-6

Name Ammonium hydroxide
CAS 1336-21-6
EINECS(EC#) 215-647-6
Molecular Formula H5NO
MDL Number MFCD00066650
Molecular Weight 35.05
MOL File 1336-21-6.mol

Chemical Properties

Appearance Ammonium Hydroxide is a colorless to milkywhite solution of ammonia, with a strong, irritating odor.
Melting point  -77°C
Boiling point  36°C
density  0.91 g/mL at 20 °C
vapor density  1.2 (vs air)
vapor pressure  115 mmHg at 20 °C for 29% solution
storage temp.  Store at RT.
form  Liquid, Single Sub-Boiling Quartz Distillation
pka 9.3(at 25℃)
color  Colorless
Specific Gravity approximate 0.96 (10%, 15℃)
Odor Strong pungent ammonia odor detectable at 17 ppm
PH 10.09(1 mM solution);10.61(10 mM solution);11.12(100 mM solution);
Stability: Stable. Incompatible with copper, copper alloys, acids, galvanised iron, zinc, aluminium, bronze, dimethyl sulphate, mercury, alkali metals.
explosive limit 27%
Water Solubility  Miscible with water.
λmax λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01
Merck  14,494
BRN  3587154
InChIKey VHUUQVKOLVNVRT-UHFFFAOYSA-N
Uses
Ammonium Hydroxide is an alkaline that is a clear, colorless solu- tion of ammonia which is used as a leavening agent, a ph control agent, and a surface finishing agent. it is used in baked goods, cheese, puddings, processed fruits, and in the production of caramels.
CAS DataBase Reference 1336-21-6(CAS DataBase Reference)
EPA Substance Registry System 1336-21-6(EPA Substance)

Safety Data

Hazard Codes  C,N
Risk Statements 
R34:Causes burns.
R50:Very Toxic to aquatic organisms.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 2672 8/PG 3
WGK Germany  2
RTECS  BQ9625000
34
Autoignition Temperature 690 °C (for ammonia)
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  28142000
Safety Profile
A human poison by ingestion. An experimental poison by inhalation and ingestion. A severe eye irritant. Human systemic irritant effects by ocular and inhalation routes. Mutation data reported. Incompatible with acrolein, nitromethane, acrylic acid, chlorosulfonic acid, dimethyl sulfate, halogens, (Au + aqua regia), HCl, HF, HNO3, oleum, ppropiolactone, propylene oxide, AgNO3, Ag2O, (Ag20 + C2H5OH), AgMn04, H2SO4. Dangerous; liquid can inflict burns. Use with adequate ventilation. When heated to decomposition it emits NH3 and NO2.
Hazardous Substances Data 1336-21-6(Hazardous Substances Data)
Toxicity
LD50 oral (rat) 350 mg/kg
PEL (OSHA) 35 ppm (27 mg/m3)
TLV-TWA (ACGIH) 25 ppm (17 mg/m3)
STEL (ACGIH) 35 ppm (27 mg/m3)

Hazard Information

Material Safety Data Sheet(MSDS)

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