Basic information Chemical Properties Sodium sulfide Industrial sodium sulfide Toxicity Preparation of polyarylene sulfide Chemical Properties Uses Production method Category Toxicity grading Acute toxicity Hazardous characteristics of explosive Flammability and hazard characteristics Storage characteristics Extinguishing agent Safety Related Supplier
Sodium sulfide Structure

Sodium sulfide

Chemical Properties

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
Specific Gravity 1.856
color  Yellow
Water Solubility  186 g/L (20 ºC)
Sensitive  Hygroscopic
Merck  14,8681
Dielectric constant 5.0(Ambient)
Stability Spontaneously flammable. Incompatible with acids, metals, oxidizing agents. Contact with acid liberates toxic gas. Fine dust/air mixtures are explosive. Hygroscopic.
InChIKey CXPWOVUZRAFMDA-UHFFFAOYSA-N
CAS DataBase Reference 1313-82-2(CAS DataBase Reference)
NIST Chemistry Reference Sodium sulfide(1313-82-2)
EPA Substance Registry System Sodium sulfide (1313-82-2)
Sodium sulfide is also known as smelly soda and stinky base. At room temperature, the pure product is colorless or slightly purple prismatic crystal. The industrial sodium sulfide often exhibits pink, reddish brown or yellowish brown color for containing impurities. It has rotten egg smell and is corrosive and toxic.

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
3-8-9-23
TSCA  Yes
HazardClass  4.2
PackingGroup  II
HS Code  28301010
Hazardous Substances Data 1313-82-2(Hazardous Substances Data)

MSDS

Usage And Synthesis

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Sodium sulfide manufacturers

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