DSD Acid

Product name: DSD Acid

Chemical name: 4,4′-Diamino-2,2′-stilbenedisulfonic acid; DASDA

CAS: 81-11-8

Synonys: DSD Acid;4,4′-Diaminostilbene-2,2′-disulfonic acid.

Molecular Weight: 370.4

Molecular Formula: C14H14N2O6S2

Molecular Structure: DSD Acid

Use: It is mainly used as intermediate of dyes.

Package: 25kg plastic woven bag

Origin: Made In China

Remarks: We have been the main producer and exporter of DSD Acid( aka:DASDA) for years in China.

Specifications of DSD Acid:

Items Standards Results
Appearance white powder white powder
Content 95% 96.2%
Moisture 0.5% 0.35%
Ash 0.5% 0.38%
pH 5-8 6

Introductions of DSD Acid:

DSD acid is a kind of chemical substance. Its appearance is light brown yellow powder. The color deepens under the light and becomes brown.

For the production of fluorescent brightening agent, direct frozen yellow G and direct yellow R;


DSD Acid

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