Sodium sulfide — Na₂S

Sodium sulfide
Sodium sulfide
Chemical Formula Na₂S
Synonym Disodium sulfide, Sodium monosulfide, Sodium sulfuret
CAS No. 1313-82-2
HS Code 2830.10
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Sodium sulfide — Na₂S
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Identifiers

IUPAC Sodium sulfide
UN Number UN 1849 (Anhydrous) | UN 2949 (Hydrated, with ≥30% water)

Applications

Paper industryMiningTextile processingLeather tanningChemical

Forms Available

Anhydrous powder/flakes (Na₂S)Hydrated crystals (Na₂S·xH₂O, commonly x=9)Aqueous solution (dissolved in water)

Properties

Density Anhydrous: ~1.86 g/cm³, Hydrated (Na₂S·9H₂O): ~1.43 g/cm³
Purity Technical grade: ~60-70% Na₂S, Reagent grade: ≥98% pure
Molecular Weight Anhydrous: 78.04 g/mol, Hydrated (Na₂S·9H₂O): 240.18 g/mol
Appearance Anhydrous: Yellowish-white or pinkish lumps/powder, Hydrated: Colorless or yellow crystals (hygroscopic)

Grades

Technical grade (industrial use)Reagent grade (lab/analytical use)Food grade (rare, for specific applications)

Storage

PACKING OPTIONS 25KG, Big bags, Palletizing, Customization

Documents

COA-Sodium Sulfide-Industrial.pdf

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