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Sodium Hydrosulfite

  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: 7775-14-6 Sodium hydrosulfite

  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R31:;
R7:;
  Safety Description: S26:;
S28A:;
S43E:;
S7/8:;

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