Sodium sulfide nonahydrate
ALDRICH/431648 - ≥99.99% trace metals basis
Synonym: Disodium sulfide nonahydrate; Sodium sulfide enneahydrate
CAS Number: 1313-84-4
Empirical Formula (Hill Notation): Na2S · 9H2O
Molecular Weight: 240.18
EC Number: 215-211-5
MDL Number: MFCD00149184
Linear Formula: Na2S·9H2O
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 431648-50G
This image depicts SKU: 431648-50G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 431648-250G
This image depicts SKU: 431648-250G
| anion traces | SO32- and S2O32-: ≤0.1% |
| assay | ≥99.99% trace metals basis |
| cation traces | Fe:, passes test |
| NH4+: ≤0.005% | |
| form | crystals and lumps |
| impurities | <100 ppm total metallic impurities |
| InChI | 1S/2Na.9H2O.S/h;;9*1H2; |
| InChI key | UIINQVYGFKNSPA-UHFFFAOYSA |
| reaction suitability | reagent type: catalyst core: sodium |
| SMILES string | O.O.O.O.O.O.O.O.O.[Na]S[N |
| storage temp. | 2-8°C |
| Application: | Sodium sulfide nonahydrate (Na2S.9H2O) can be reacted with α,ω-dibromo and/or α,ω-dichloroalkane for the synthesis of polyalkylene sulfide. It can be used as a reducing agent for the removal of nitrogen oxide from the exhaust gas. Na2S.9H2O can also be used as an inexpensive sulfur source for the synthesis of heterocyclic thiochromes. |
| General description: | Sodium sulfide nonahydrate is a chemical compound with the formula Na2S-H2O. It is a white to yellow hygroscopic solid that is highly soluble in water and has a strong, unpleasant odor. Sodium sulfide nonahydrate is typically made by dissolving elemental sulfur in a solution of sodium hydroxide, which leads to the formation of sodium sulfide. The nonahydrate form of the compound is formed by adding excess water to the solution, which leads to the formation of a crystalline solid with nine molecules of water per molecule of sodium sulfide. Sodium sulfide nonahydrate is often used as a reducing agent in chemical reactions as well as a flotation agent in the mining industry. It is also used in the production of dyes, pigments, and other chemicals. |
| Packaging: | 50, 250 g in poly bottle |
| Symbol |    GHS05,GHS06,GHS09 |
| Signal word | Danger |
| Hazard statements | H302 - H311 - H314 - H410 |
| Precautionary statements | P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | T,C,N |
| Risk Statements | 22-24-31-34-50 |
| Safety Statements | 26-36/37/39-45-61 |
| RIDADR | UN 1849 8 / PGII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.99% trace metals basis |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352300 |