Optical Brightener OB-1

Post Date:
Jul 23,2018
Expiry Date:
Jul 23,2019
Detailed Description:
Cas No. :1533-45-5 Optical Brightener OB-1

Product Name Optical Brightener OB-1 Molecular Structure
Other Name Fluorescent Brightener OB-1;
4,4'-Bis(2-Benzoxazolyl)Stilbene
CAS No 1533-45-5
Molecular Formula C28H18O2N2

Check-Point Specification
Appearance bright yellow green crystalline powder
Purity ≥98.5%
Melting Point 355-360℃
Loss On Drying ≤0.5%
Packing：25kg fibre drum
Product Usage： In whitening polyester fiber, in whitening and brightening polyester, cotton and other fiber blended fabrics.
CAS Registry Number:
1533-45-5
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;Fluorescent Whitening 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);Optical Brightening Agent OB-1;Optical Brightner OB-1;ptical Brightening Agent OB-1;4,4-Bis(2-Benzoxazolyl) Stilbene;
Molecular Formula:
C₂₈H₁₈N₂O₂
Molecular Weight:
414.4547
Molecular Structure:
Safety Description:
S24/25:;

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