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Brightener brightening agent fabric brightening agent manufacturer optical brightener 4bk optical brightening agent 4bk whitening agent for cotton fabric us $3.00$3.50 / kilogram

Alibaba offers 142 optical brightener agent vbl products. such as free samples, paid samples.

(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.

Manufacturer for ER II optical brightener agent for polyester Supplier having a higher company reputation,from China.Our solutions include:Manufacturer for ER II optical brightener agent for polyester Solutions are primarily exported to European nations,it is actually well-known in lots of countries.


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