Molekula
Sodium sulfide
Sodium sulfide is a highly reactive inorganic compound used in chemical synthesis, pulp and paper manufacturing, and wastewater treatment. It appears as a white to yellowish solid and is soluble in water, releasing hydrogen sulfide gas. CAS: 1313-82-2, Molecular Formula: Na2S, Molecular Weight: 78.04 g/mol. Store at 2 to 8 °C. Hazardous: Signal word Danger. Molekula supplies Sodium sulfide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Sodium sulfide is a highly reactive inorganic compound used in chemical synthesis, pulp and paper manufacturing, and wastewater treatment. It appears as a white to yellowish solid and is soluble in water, releasing hydrogen sulfide gas. CAS: 1313-82-2, Molecular Formula: Na2S, Molecular Weight: 78.04 g/mol. Store at 2 to 8 °C. Hazardous: Signal word Danger. Molekula supplies Sodium sulfide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellow flakes |
| Assay | ≥60% |
| Iron (Fe) | ≤10ppm |
| Sodium carbonate | ≤2.0% |
| Sodium Hydrogensulphide (As NaHS): | ≤5.0% |
| Sodium sulphite | ≤3% |
| Sodium Thiosulphate (As Na2S2O3) | ≤3.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 4.2 |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 1313-82-2 |
| Molecular Formula | Na2S |
| Molecular Weight | 78.04 |
| SMILES | [Na+].[Na+].[S-2] |
| EC / UN Number | 1385 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2830100000 |
| Tariff Code | 2830100000 |
Safety & GHS
-
Oxidizing
GHS03
-
Compressed Gas
GHS04
-
Corrosive
GHS05
-
Toxic
GHS06
Hazard statements
- EUH031 Contact with acids liberates toxic gas
- H251 Self-heating; may catch fire
- H290 May be corrosive to metals
- H301 + H311 Toxic if swallowed or in contact with skin
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H400 Very toxic to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is sodium sulfide used for?
Sodium sulfide is commonly used in the pulp and paper industry, wastewater treatment, and in the synthesis of organic and inorganic compounds.
What is the chemical formula and molecular weight of sodium sulfide?
The formula is Na2S and the molecular weight is 78.04 g/mol.
How should sodium sulfide be stored?
Store at temperatures between 2 and 8 °C in a cool, dry place away from moisture and incompatible materials.
What grade of sodium sulfide does Molekula supply?
Molekula supplies sodium sulfide in technical grade; custom grades available upon request.
Can Molekula supply sodium sulfide in bulk?
Yes, Molekula can supply sodium sulfide in bulk quantities; please contact sales for details.
What documentation comes with a sodium sulfide order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.