Melting point :340 °C (subl.) (lit.)
Boiling point :100 °C750 mm Hg
Density :1.52
vapor density :1.9 (vs air)
vapor pressure :1 mm Hg ( 160.4 °C)
refractive index :1.642
FEMA :4494 | AMMONIA (ALSO INCLUDES AMMONIUM CHLORIDE)
storage temp. :Store at +5°C to +30°C.
solubility :H₂O: 1 M at 20 °C, clear, colorless
pka :9.25[at 20 ℃]
form :Solid
color :White
Specific Gravity :1.53
PH :4.7 (200g/l, H2O, 25℃)(External MSDS)
Odor :odorless
Odor Type :ammoniacal
Water Solubility :soluble
Sensitive :Hygroscopic
λmax :λ: 260 nm Amax: ≤0.021
λ: 280 nm Amax: ≤0.019 Merck :14,509
BRN :4371014
Dielectric constant :7（0.0℃）
Exposure limits :ACGIH: TWA 10 mg/m3; STEL 20 mg/m3
NIOSH: TWA 10 mg/m3; STEL 20 mg/m3 Stability :Stable. Incompatible with strong acids, strong bases.
CAS DataBase Reference :12125-02-9(CAS DataBase Reference)
NIST Chemistry Reference :Ammonium chloride(12125-02-9)
EPA Substance Registry System :Ammonium chloride (12125-02-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313 IF eye irritation persists: Get medical advice/attention.