| post date: | jan 05,2022 |
| expiry date: | jan 05,2023 |
| detailed description: |
cas no. :7775-14-6
specs:85%；88%；90% synonyms: sodium dithionite; dithionous acid, disodium saltmolecular formula: na2s2o4 molecuar weight: 174.11 hazardous material composition:cas no. appearance: white or light yellow crystalline powder-like sand. melting point (οc):> 300 (decomposition) ignition temperature(οc): 250 solubility: not soluble in ethanol, soluble in sodium hydroxide solution. strong reaction with water and burn. main purpose: printing and dyeing industry, can be used as reducing agent for vat dyes, disperse dyes can be used for reduction cleaning (two-bath), reactive dyes can be used for stripping, wire, hair bleach, also used in medicine, mineral processing, sulfur the synthesis of urea and sulfur. incompatibility: strong oxidizers, acids, flammable or combustibles. conditions to avoid: thermal decomposition, in the air can be oxidized. |
| cas registry number: | 7775-14-6 |
| synonyms: | ;sodium dithionite hydrate;sodium hydrosulphite;sodium dithionite;disodium dithionite; |
| molecular formula: | na2o4s2 |
| molecular weight: | 174.1071 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r22:; r31:; r7:; |
| safety description: | s26:; s28a:; s43e:; s7/8:; |
