optical brightener ob-1 393

Post Date:
Oct 17,2017
Expiry Date:
Apr 15,2018
Detailed Description:
Cas No. :1533-45-5 Quantity: 500Kilograms
Payment Method: TT
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.
For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, PET,EVA, PVC, etc.
Rate of use: (per 1000kg of substrate)
Polyester: 75-300g
EVA, PP, nylon: 75-200g
Package 25kg per fiber drum
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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