Optical brightener OB

Post Date:
Apr 06,2017
Expiry Date:
Apr 06,2018
Detailed Description:
Cas No. :7128-64-5 Optical brightener OB
C.I. 184

CAS：7128-64-5

Appearance:light yellow or milk white powder
Purity:≥ 99.0 %
Melting point:201-202℃
Ash:≤ 0.1％
Volatile content:≤ 0.4%

Application:
It can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in the process of whitening the polymers and make the finished products emit a bright bluish white glaze.

PACKAGE: Packaged in iron drum or cardboard barrels. Net weight is 25 kg or 50 kg each.
CAS Registry Number:
7128-64-5
Synonyms:
;Fluorescent Brightener OB;Fluorescent brightening agent 184;Fluorescent Whitening Agent OB;Optical Brightening Agent OB;Fluorescent Brightener 184;C.I. 184;Fluorescent Brightener OB-4;Fluorescent brightening agent 184;Optical Brightner OB;BBOT;C.I. Fluorescent Brightener 362;Uvitex 2B;TINOPAL CBS-X;UVITEX OB;UVITEX(R) 2B;TOSLAB 644820;2,5-BIS(5'-TERT-BUTYL-2'-BENZOXAZOLYL)THIOPHENE;2,5-BIS(5-TERT-BUTYL-2-BENZOXAZOLYL)THIOPHENE;2,5-BIS(5-TERT-BUTYL-BENZOXAZOL-2-YL)THIOPHENE;2,5-BIS(5-TERT-BUTYLBENZOXAZOYL)-2-THIOPHENE;2,5-BIS(5-T-BUTYL-2-BENZOXAZOLYL)THIOPHENE;2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene;
Molecular Formula:
C₂₆H₂₆N₂O₂S
Molecular Weight:
430.5618
Molecular Structure:
Safety Description:
S24/25:;

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