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Fancheng chemical is professional in manufacturing and supplying quality and colorful organic pigment for plastic, organic pigment for printing ink, organic pigment for coating to different customers. cooperating with many professional scientific research institutions, we can assure you the high quality of our pigment. don't hesitate to buy.

(1) fluorescent brightenening agent vbl is a typical representative of bis(triazinylamino)stilbene derivative. (2) it can be soluble in 80 times soft water and shows anion character and the ph value resistant to acid and alkali is 6-11 and the expected ph value of dyeing bath is 8-9.

Molecular formula:c 18 h 15 cln 2 o 6 s molecular weight: 422.84 cas registry number:7023-61-2 manufacturing methods :2-amino-4-chloro-5-methylbenzenesulfonic acid diazotization, and 3-hydroxy-2-naphthoic acid coupling, and then into calcium salt. properties and applications:brilliant red, shallow blue light pink.purple red powder. insoluble in water and ethanol.

Optical brightner ksn, optical brightener ksn, cas 5242-49-9 manufacturer / supplier in china, offering optical brightner ksn, pvc stabilizer additive theic cas 839-90-7, trihydroxyethyl isocyanurate (theic) and so on.

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