melting point 950 °c(lit.)
density 1.86 g/ml at 25 °c(lit.)
storage temp. refrigerator (+4°c)
solubility h2o: 0.1 g/ml, clear, colorless
form flakes
water solubility 186 g/l (20 ºc)
sensitive hygroscopic
merck 14,8681
stability: spontaneously flammable. incompatible with acids, metals, oxidizing agents. contact with acid liberates toxic gas. fine dust/air mixtures are explosive. hygroscopic.
cas database reference 1313-82-2(cas database reference)
nist chemistry reference sodium sulfide(1313-82-2)
epa substance registry system sodium sulfide (na2s)(1313-82-2)
safety information
hazard codes c,n,xn
risk statements 31-34-50-22
safety statements 26-45-61-36/37/39
ridadr un 1849 8/pg 2
wgk germany 2
rtecs we1905000
f 3-8-9-23
hazardclass 4.2
packinggroup ii