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sodium sulfide (anhydrous)

CAS No.: 1313-82-2      Formula: Na2S

Weight: 78.04450

Synonyms: Disodium sulfide; Sodium sulfide;




Description

In the dye industry, it is used to produce sulfur dyes, and it is the raw material of sulfur cyan and sulfur blue. In the printing and dyeing industry, it is used as a dye auxiliary for dissolving sulfur dyes. In the tanning industry, it is used for hydrolysis to dehair raw hides, and it is also used to formulate sodium polysulfide to accelerate the soaking of dry hides and help soften them. Paper industry Chemicalbook is used as a cooking agent for paper. The textile industry is used as a mordant for the denitration of man-made fibers and the reduction of nitrates, as well as the dyeing of cotton fabrics. The pharmaceutical industry is used to produce antipyretics such as phenacetin. In addition, it is also used to make sodium thiosulfate, sodium hydrosulfide, sodium polysulfide, etc.

Basic Information
CAS No.:
1313-82-2
Synonyms:
Disodium sulfide; Sodium sulfide;
Formula:
Na2S
Molecular Weight:
78.04450
PSA:
25.30000
LogP:
-0.53540
Properties
Appearance & Character:
Yellow
Density:
1.86 g/mL at 25 °C(lit.)
Melting Point:
950 °C(lit.)
Boiling Point:
174ºC
Flash Point:
Storage Conditions:
Refrigerator (+4°C)
Safety Info
Customs Code:
28301010
WGK Germany:
2
Hazard Category Code:
31-34-50-22
Security Instructions:
26-45-61-36/37/39
Dangerous Goods Sign:
C,N,Xn