sodium formaldehyde sulfoxylate/formaldehyde hydrosulfiteSodium bisulfoxylate
Synonyms in English
dye whitening
chemical property
Chemical formula: CH2(OH)SO2Na Molecular weight: 118.10 CAS: 149-44-0EinECs: 205-739-4 Melting point: 64 to 68 ℃ Boiling point: 446.4 ℃ Flash point: 223.8 ℃
Product introduction and features
Condole block, also known as diao white powder, to formalin combined with sodium bisulfite rereduction, chemical name for formaldehyde sodium bisulfite, chemical formula for CH2(OH)SO2Na, white block or crystalline powder, no smell or a little leek odor; Soluble in water, slightly soluble in alcohol. It is stable at room temperature, and has strong reducibility and bleaching effect at high temperature. In the case of acid decomposition, hydrogen sulfide is released, stable when PH > 3, stable to alkali. It is often used in the printing and dyeing industry as extraction agent and reducing agent to produce indigo dye, reducing dye and so on. But shall not be used as food bleaching additive, strictly prohibited entry.
use
It is a bleaching agent for industrial use because of its strong reducibility at high temperature. In the printing and dyeing industry is used as the extraction agent and reducing agent, the production of indigo dye; Also used as rubber industry styrene butadiene rubber polymerization activator; Photosensitive photographic materials phase auxiliaries; Bleaching agent for daily use and pharmaceutical industry.
package and transport
B. This product can be used,25KG, in barrels.
C. Store sealed in a cool, dry and ventilated place indoors. Containers should be tightly sealed after each use before use.
D. This product should be sealed well during transportation to prevent moisture, strong alkali and acid, rain and other impurities from mixing.
