Sodium Sulfide CAS#1313-82-2

Sodium Sulfide CAS#1313-82-2

Strong Alkalinity:Sodium sulfide and its hydrates produce strongly alkaline solutions.


Water Solubility:Both anhydrous and hydrated forms are soluble in water.


Versatile Industrial Use:Its chemical reactivity makes it useful in various industrial applications.


Distinctive Physical Forms:Available as colorless salts, yellow to brick-red crystalline mass, or fused solid, allowing flexibility in handling and processing.


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product description

Product Description of Sodium Sulfide CAS#1313-82-2

Sodium sulfide is a chemical compound with the formula Na₂S, and it is often encountered in its hydrated form Na₂S·9H₂O. Both forms are colorless, water-soluble salts that produce strongly alkaline solutions. When exposed to moisture in the air, Na₂S and its hydrates release hydrogen sulfide gas, which has a characteristic rotten egg odor. Anhydrous sodium sulfide appears as a yellow to brick-red crystalline solid or fused mass. Upon exposure to moisture, it can absorb water from the air, leading to spontaneous heating and potential ignition of nearby flammable materials. Industrial-grade sodium sulfide typically exhibits pink, reddish-brown, or yellowish-brown coloration due to the presence of impurities.

Product Application of Sodium Sulfide CAS#1313-82-2

Medical Research: Used in H₂S studies to investigate its effects on diabetes prevention in animal models.

Dye and Textile Industry: Functions in the production of sulfur dyes, as a reducing agent, and as a mordant.

Metallurgy and Mining: Employed in the oxidation of gold, lead, and copper ores and as a flotation agent.

Paper, Leather, and Rubber Processing: Used as a depilatory for leather, a digestion aid in paper-making, and in pigment and rubber treatments.



Product Information

Parameters

Melting point950 °C(lit.)
density1.86 g/mL at 25 °C(lit.)
storage temp.Refrigerator (+4°C)
solubilityH2O: 0.1 g/mL, clear, colorless
formflakes
colorYellow
Specific Gravity1.856
Water Solubility186 g/L (20 ºC)
SensitiveHygroscopic
Crystal StructureReverse CaF2 type
crystal systemCube
Merck148681
Space groupFm3m
Lattice constanta/nmb/nmc/nmα/oβ/oγ/oV/nm30.6540.6540.6549090900.2797
Dielectric constant5.0(Ambient)
Stability:Spontaneously flammable. Incompatible with acids, metals, oxidizing agents. Contact with acid liberates toxic gas. Fine dust/air mixtures are explosive. Hygroscopic.
InChIKeyCXPWOVUZRAFMDA-UHFFFAOYSA-N
CAS DataBase Reference1313-82-2(CAS DataBase Reference)
NIST Chemistry ReferenceSodium sulfide(1313-82-2)
EPA Substance Registry SystemSodium sulfide (1313-82-2)


Safety Information


Hazard CodesC,N,Xn
Risk Statements31-34-50-22
Safety Statements26-45-61-36/37/39
RIDADRUN 1849 8/PG 2
WGK Germany2
RTECSWE1905000
F3-8-9-23
TSCAYes
HazardClass4.2
PackingGroupII
HS Code28301010
Hazardous Substances Data1313-82-2(Hazardous Substances Data)


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Usage Guidance: Assistance with adjusting processing parameters (if required).
Complaint Handling: Response within 48 hours and a solution provided within 7 days.
Regular follow-ups: Proactive contact every six months to understand changing needs and optimize supply solutions.
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