China Suppliers > Tianjin Yuansu Chemical Reagent Co., LTD > 4,4-Diaminodiphenylethylene-2,2-disulfonic acid
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- Details for 4,4-Diaminodiphenylethylene-2,2-disulfonic acid
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4,4-Diaminodiphenylethylene-2,2-disulfonic acid 81-11-8
Category : Dyestuffs and Pigments
CAS NO : 81-11-8 EC NO : 201-325-2 MF : C14H14N2O6S2 MW : 370.4008 Specification : 99% min Packing : 25kg 50kg drum or bag Product description : Appearance: Yellow needle shaped hygroscopic crystals or white powder Assay: 99% min by HPLC IR Identity: conform to standard HNMR： conform to standard carbon spectrum: conform to standard Water by K. F.:0.5% max or as per the customer’s request Loss on drying:0.5% max. or as per the customer’s request Uses : Intermediate of dyes and fluorescent whitening agents 2. Intermediate of dyes and fluorescent whitening agents Production of fluorescent whitening agents, direct freezing - used for the production of fluorescent whitening agents, yellow G, and direct yell 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;DSD Acid;4,4-Diaminodiphenylethylene-2,2-disulfonic acid; Molecular Structure : 
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4,4-Diaminodiphenylethylene-2,2-disulfonic acid