Molekula
Sodium sulfide nonahydrate
Sodium sulfide nonahydrate is a water-soluble inorganic compound used in chemical synthesis, wastewater treatment, and the production of dyes and pharmaceuticals. It appears as colorless to pale yellow crystals and is highly reactive with moisture and air. CAS: 1313-84-4, Molecular formula: Na2S·9H2O, Molecular weight: 240.18 g/mol, Storage: 2 to 8 °C, Signal word: Danger. Molekula supplies Sodium sulfide nonahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Sodium sulfide nonahydrate is a water-soluble inorganic compound used in chemical synthesis, wastewater treatment, and the production of dyes and pharmaceuticals. It appears as colorless to pale yellow crystals and is highly reactive with moisture and air. CAS: 1313-84-4, Molecular formula: Na2S·9H2O, Molecular weight: 240.18 g/mol, Storage: 2 to 8 °C, Signal word: Danger. Molekula supplies Sodium sulfide nonahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white, or light grey to light green, or Colourless to light yellow solid |
| Assay | ≥ 98.0% |
| Water insoluble matter | ≤ 0.015% |
| Iron (Fe) | 2 - 7ppm |
| Moisture Content (by KF) | 67.5% - 72.0% |
| Ammonium (NH4) | ≤0.005% |
| Sodium thiosulfate (Na2S2O3) | ≤ 0.86% |
| Sodium carbonate (Na2CO3) | ≤0.5% |
| Sodium sulfide (Na2S) | ≥ 32.0% |
| sulfite and thiosulfate (SO4) | ≤0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 1313-84-4 |
| Molecular Formula | Na2S·9H2O |
| Molecular Weight | 240.18 |
| SMILES | [Na]S[Na].O |
| EC / UN Number | 1849 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28301000 |
| Tariff Code | 2830100000 |
Safety & GHS
-
Compressed Gas
GHS04
-
Corrosive
GHS05
-
Toxic
GHS06
Hazard statements
- EUH031 Contact with acids liberates toxic gas
- EUH071 Corrosive to the respiratory tract
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- H311 Toxic in contact with skin
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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 nonahydrate used for?
It is commonly used in the production of dyes, pharmaceuticals, and in the mining industry for flotation processes.
What is the chemical formula and molecular weight of sodium sulfide nonahydrate?
The formula is Na2S·9H2O with a molecular weight of 240.18 g/mol.
How should sodium sulfide nonahydrate be stored?
It should be stored at temperatures between 2 to 8 °C to maintain stability and prevent decomposition.
What grade is available for sodium sulfide nonahydrate?
Molekula offers technical grade sodium sulfide nonahydrate for industrial applications.
Can Molekula supply sodium sulfide nonahydrate in bulk?
Yes, Molekula can supply sodium sulfide nonahydrate in bulk quantities—please contact our sales team for details.
What documentation comes with an order of sodium sulfide nonahydrate?
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.