Optical Brightener Ob-1 Ci 393

• Color: Green
• Kind: Optical Brightener
• Appearance: Powder
• Transport Package: 25kg/Drum
• Specification: 98%
• Trademark: DEBORN
• Model NO.: OB-1
• Origin: China
• HS Code: 320420
• Production Capacity: 2000mt/Year

Product Description

Product Description:

Synonyms: Fluorescent Brightener OB-1; FBA393;2,2'-(4.4'-diphenol vinyl)di-henzoxazol ; 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole; FBA 393; 4,4'-bis(benzoxazol-2-yl)stilbene; Optical Brightener OB-1; C.I. 393; Fluorescent whtening agent OB-1; ; 2,2'-(ethene-1,2-diyldibenzene-4,1-diyl)bis(1,3-benzoxazole); 2,2'-[(E)-ethene-1,2-diyldibenzene-4,1-diyl]bis(1,3-benzoxazole)
 

Structure:Formula: C₂₈H₁₈N₂ O₂
 

Molecular Weight: 414.4

C.I. Number: 393

Appearance: greenish yellow powder

Melting Point: 359'C

Purity: ≥98.0%

Application: mainly be used in whitening of polyester and plastic  (PP, ABS, EVA, PS and PC) and Fiber(polyester fiber and PP fiber).as well in whitening of Nylon during polymerization.

Packing: 25kg per fiber drum