Sodium tetrasulfide

Melting point :275°C
Boiling point :115℃ [KIR83]
Density :1.335
form :Powder
color :Pale brown
Water Solubility :Soluble in water and alcohol. Insoluble in ether.
Sensitive :Moisture Sensitive & Hygroscopic
InChI :InChI=1S/2Na.H2S4/c;;1-3-4-2/h;;1-2H/q2*+1;/p-2
InChIKey :ZLCCLBKPLLUIJC-UHFFFAOYSA-L
SMILES :S(S[Na])SS[Na]
EPA Substance Registry System :Sodium sulfide (Na2(S4)) (12034-39-8)

Symbol(GHS):
Signal word:
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H228 Flammable solid Flammable solids Category 1 Category 2 Danger Warning P210, P240,P241, P280, P370+P378 H252 Self-heating in large quantities; may catch fire Self-heating substances and mixtures Category 2 Warning P235+P410, P280, P407, P413, P420 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 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 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P309 IF exposed or if you feel unwell: P310 Immediately call a POISON CENTER or doctor/physician. P420 Store away from other materials.