DASDA

Post Date:
Aug 03,2015
Expiry Date:
Aug 02,2016
Detailed Description:
Cas No. :81-11-8 Payment Method: T/T
Used in the preparation of fluorescent whitening agent and direct dyes, etc..

As a dye intermediate, DSD acid is the main raw material for producing two series of fluorescent whitening agent VBL, and also an important intermediate of direct dyes and reactive dyes. Production of direct yellow G, direct yellow 4R, reactive yellow KD-3G, fast orange F3G and hundreds of varieties. Can also be used as a moth proofing agent.
CAS Registry Number:
81-11-8
Synonyms:
;2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid); Amsonic acid;4,4'-Diaminostilbene-2,2'-Disulfonic Acid;2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid);4,4'-Diamino-2,2'-stilbenedisulfonic acid;
Molecular Formula:
C₁₄H₁₄N₂O₆S₂
Molecular Weight:
370.4008
Molecular Structure:
Hazard Symbols:
C:Corrosive;
Risk Codes:
R34:;
Safety Description:
S22:;
S26:;
S36/37/39:;
S45:;

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