Melting point :decomposes [HAW93]
Boiling point :40 °C
Density :1 g/mL at 25 °C
vapor pressure :600 hPa at 20 °C
FEMA :2053 | AMMONIUM SULFIDE
refractive index :n20/D 1.467
Flash point :90 °F
storage temp. :room temp
solubility :Very soluble in water, almost insoluble in alcohol and oils.
pka :3.42±0.70(Predicted)
form :Liquid
Specific Gravity :1.2
color :Yellow to orange
Odor :Ammonia odour
PH Range :9.5 ( 45% aqueous solution)
explosive limit :4-46%
Odor Type :sulfurous
Water Solubility :Miscible with water, alcohol and liquid ammonia.
Merck :13,560
Stability :Stable. Pure material is highly flammable - note wide explosion limits. Incompatible with strong oxidizing agents, strong acids, copper, brass, bronze, strong bases, zinc, aluminium.
InChIKey :UXXGWUQNRMPNKH-UHFFFAOYSA-N
CAS DataBase Reference :12135-76-1(CAS DataBase Reference)
EPA Substance Registry System :Ammonium sulfide (12135-76-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning 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
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. 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.