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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.

Oba speciality chemicals is a leading fluorescent whitening agent, fluorescent whitening agent manufacturers, fluorescent whitening agent exporters & fluorescent whitening agent suppliers in ahmedabad, gujarat, india.

We're suppliers of all kind of excellent quality OB optical whitening agent for soap moved in market place for fantastic sales, we have excellent quality OB optical whitening agent for soap type and specification's which will suit our customer's satisfaction. We've also attached excellent quality OB optical whitening agent for soap samples along with other of our needs with all the above attached catalog sample.


We are an enterprise that export excellent quality OB optical whitening agent for soap to China, we are approved by the relevant state registratio. Primary excellent quality OB optical whitening agent for soap and sell to different regions in China, product out there upon request. We've got the spirit of "customer initial, honesty first" principle, using a quantity of enterprises established long-term cooperative connection.

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