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Fluorescent Brightener 393

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Contact name:Naomi

Country/Region	china

Product Name Optical Brightening Agent OB-1

Chemical Name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol

CAS No. 1533-45-5

C.I. No. 393

Structural Formula

Molecular Formula C28H18N2O2

Molecular Weight 414

Technical Index Appearance:yellowish green powder

Melting Point:357~359°C

Purity:≥99%

Uses Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.

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