Disodium sulfide
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Disodium sulfide
structure -
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CAS No:
1313-82-2
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Formula:
Na2S
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Chemical Name:
Disodium sulfide
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Synonyms:
Sodium sulfide (Na2S);Sodium monosulfide;Sodium sulphide;Disodium sulfide;Sodium sulfide;Disodium monosulfide;Disodium sulfide (Na2S);NSC 41874;113584-74-0;1447694-91-8
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CAS No:
Description
WHITE-TO-YELLOW HYGROSCOPIC CRYSTALS WITH CHARACTERISTIC ODOUR.
Sodium sulfide (anhydrous) is a sulfide salt with formula Na2S. The pentahydrate and (particularly) the nonahydrate are also known. In gel form, sodium sulfide is used to soften toenails to assist in trimming (and so relive pain) of ingrowing toenails. It is a sulfide salt and an inorganic sodium salt.|Sodium sulfide is a chemical compound with a chemical formula Na2S. Sodium sulfide is used in the pulp and paper industry, water treatment, textile industry, and various chemical manufacturing processes including the production of rubber chemicals, sulfur dyes and oil recovery. Along with its hydrate form, sodium sulfide releases hydrogen sulfide (H2S) when in contact with moist air. H2S is an endogenous gaseous transmitter that exhibits anti-inflammatory and antiapoptotic properties. Along with other sulfides, the anti-inflammatory and tissue-protective effects of sodium sulfide have been investigated in models of inflammation and oxidative stress. Interestingly, sodium sulfide was shown to have some cardioprotective role against cardiac ischemia or reperfusion injury, as well as protect lungs against ventilator-induced lung injury. However the clinical significance and mechanism of action of sodium sulfide and replication of results across other studies are not yet fully determined.
Characteristics
25.30000
-3.5
Multi color crystal,send a pleasing sense of offensive odor
1.856 g/cm3 @ Temp: 14 °C
920-950 °C (decomp)
174ºC
Solubility in water (g/100 g water): 8.1 (-9.0 deg C); 12.4 (0 deg C); 18.6 (20 deg C); 29.0 (40 deg C); 35.7 (48 deg C); 39.0 (50 deg C).
Storage Room low temperature ventilation drying ,Separate storage with oxidizing agents and acids
IN PREPN OF MERCAPTANS, SLOW ADDITION OF DIAZONIUM CHLORIDE SALT OF 4-CHLORO-O-TOLUIDINE OR O-NITROANILINE OR M-CHLOROANILINE TO SODIUM SULFIDE...SOLN WILL RESULT IN EXPLOSIONS EVEN AT 5 DEG C.
Safety Information
II
4.2
UN 1849 8/PG 2
2
R31; R34; R50
S26-S45-S61
WE1905000
C
Separated from acids and oxidants. Keep in a well-ventilated room. Dry.
Spontaneously flammable. Incompatible with acids, metals, oxidizing agents. Contact with acid liberates toxic gas. Fine dust/air mixtures are explosive. Hygroscopic.
P273-P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
H251-H290-H301 + H311-H314-H400
Disodium sulfide Use and Manufacturing
1. Used in sulfur dyes, used as reductant, mordant, floatation agent, depilatory for leather, digestion auxiliary in paper-making, and used in textile, pigment and rubber
2. It is used for H2S therapy, to study its effect on the prevention of diabetes in animals.
Computed Properties
Molecular Weight:78.05
Hydrogen Bond Acceptor Count:1
Exact Mass:77.95160974
Monoisotopic Mass:77.95160974
Topological Polar Surface Area:1
Heavy Atom Count:3
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes
Price Analysis
- Data: 2026-07-18
- Price: 2425.00Yuan/mt
- Change: 75.0
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