Description
Chemical name: 4,*-Diaminostilbene*2,*-disulfonic acid
Commodity name: DSD Acid
Molecular Formula: C*4H*4N2O6S2
Molecular Weight: **0.4
Physical and chemical properties:
1) Light yellow paste or powder, soluble in alcohol and ether
insoluble in water, readily soluble in a aqueous solution of
alkali.
2) Easy be oxidated to red in air, it has properties of aromatic
acid and aromatic amine.
Specifications:
1) Appearance: Light yellow powder or paste
2) Total drying Amido Value % ? *5.0
3) Benzyl Content % ? 0.*5
4) Alkali Insolubility % ? 0.1
5) ?OD ? 0.1
6) Ash content % ? 1.5
Main Usage: Used in the manufacture of fluorescent whitening
agentã€direct dyesã€reactive dyes, and used as sect preventive
etc
Packing: For powders *5kg net poly-woven bags or as the customers
requirements.
