Melting point :1100 °C
Density :2.02 g/mL at 25 °C (lit.)
form :granular
Specific Gravity :2.02
color :Yellow
Water Solubility :decomposes in H2O [MER06]
Sensitive :Moisture Sensitive
Crystal Structure :Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc
crystal system :Six sides
Merck :14,367
Solubility Product Constant (Ksp) :pKsp: 6.7
Space group :P61
Lattice constant :

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.643	0.643	1.788	90	90	120	0.6402

CAS DataBase Reference :1302-81-4(CAS DataBase Reference)
EPA Substance Registry System :Aluminum sulfide (Al2S3) (1302-81-4)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.