Insurance powder, wool bleaching agent, factory direct sales

INTRODUCTION:

Even two sodium sulfite, also known as the insurance powder, is a white crystalline powder or light yellow sand chemical supplies. Because the sulfur in intermediate valence, so even two sodium sulfite has strong reducibility, also has strong oxidation. Mainly in the textile industry, papermaking industry used as a bleaching agent, the water after contact with will release a lot of heat and hydrogen peroxide, hydrogen sulfide and other toxic gases. It is also widely used in the textile industry's reducing dyeing, reducing cleaning, bleaching and organic synthesis, wood pulp paper and other fields.

174.1071 Chinese Name: even the dithionite English Name: sodium hydrosulfite Chinese alias: insurance powder; low sodium sulfite; sodium bisulfate alias in English: dithionite sodium hydrate; sodium hydrosulphite; sodium dithionite; disodium dithionite CAS No.: 7775-14-6 SMILES:231-890-0[1] molecular formula: molecular Na2O4S2

Micro has a special smell. Sensitive to light. Solid state when there is no water and two water crystallization form. Two water crystallization is not stable, in the alkaline medium gradually heated to a certain temperature can be dehydrated, into anhydrous crystal, easy decomposition. It is generally stable in alkaline medium and stable in neutral medium. Moisture heat or exposed air can cause it to break down and burn. Decomposition, the release of sulfur dioxide and a large number of heat, can be spontaneous combustion at 250. In humid or water solution, quickly generate Sodium Bisulfite and sodium bisulfate and acidic. Soluble in water, slightly soluble in ethanol, aqueous solution was neutral. Wet and easy to burn. Because of its unstable nature, it is added to a certain amount of stabilizer in the finished product.

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The property of the 1 characters: white crystalline powder.

1 relative density: 2.3 to 3 2.4 solubility: soluble in water, insoluble in alcohol.

Storage methods should be stored in a cool, ventilated, dry warehouse. Anti humidity, anti sunlight direct irradiation, away from fire, not with water or water vapor contact, not with oxidizing or other flammable materials were mixed. Immediately after use, the mouth is good, with, properly preserved.