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. :2-8°C
solubility :Water (Soluble)
form :Liquid, Single Sub-Boiling Quartz Distillation
pka :9.3(at 25℃)
color :Colorless
Specific Gravity :approximate 0.96 (10%, 15℃)
PH :10.09(1 mM solution);10.61(10 mM solution);11.12(100 mM solution);
Odor :Strong pungent ammonia odor detectable at 17 ppm
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
Stability :Stable. Incompatible with copper, copper alloys, acids, galvanised iron, zinc, aluminium, bronze, dimethyl sulphate, mercury, alkali metals.
InChIKey :VHUUQVKOLVNVRT-UHFFFAOYSA-N
CAS DataBase Reference :1336-21-6(CAS DataBase Reference)
EPA Substance Registry System :Ammonium hydroxide (1336-21-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.