Article No. 00027
Purity 25%
Molecular Formula NH4OH
H.S. Code 2814.2000
Grade AR
CAS No. 1336-21-6
Molecular Weight 35.05
Shelf Life 36 Months

Physical Properties

Physical state at 20 °C Liquid Colour Clear Colorless
Odour Ammonia odour pH value 11.7
Melting point/ Freezing point [°C] -60 °C Auto-ignition temperature [°C] 651°C
Boiling point [°C] 38 - 100 °C Initial boiling point [°C] 38°C
Final boiling point [°C] 100 °C Vapour pressure [20°C] 153 hPa at 20 °C
Vapour density 1.21 Density [g/cm3] 0.9
Solubility in water [% weight] Infinitely soluble Explosion limits - upper [%] 27%
Explosion limits -lower [%] 16%

Specifications

Appearance A clear liquid with a pungent odour Assay Min 25%
Carbonate (as CO2) Max 0.002% Phosphate (PO4) Max 0.0002%
Chloride (Cl) Max 0.00005% Sulphate (SO4) Max 0.0003%
Non-volatile matter Max 0.003% Calcium (Ca) Max 0.0005%
Potassium (K) Max 0.0001% Sodium (Na) Max 0.0005%
Magnesium (Mg) Max 0.00005% Iron (Fe) Max 0.00005%
Copper (Cu) Max 0.00001% Zinc (Zn) Max 0.00001%

Safety Information and Hazard Symbols

Corrosion Exclamation Mark Environment          

Symbol: GHS05, GHS07, GHS09
Signal Word: Danger
UN No.: 2672
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H302-H314-H335-H400
Precaution Statement: P273-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P391
Risk Statement: 34-50
Safety Statement: 26-36/37/39-45-61