Home > Offer to Sell > Dyestuffs and Pigments > Fluorescent Brighteners > Optical Brightener OB/OBA 184/ Uvitex OB
Optical Brightener OB/OBA 184/ Uvitex OB
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| Post Date: | May 28,2015 |
| Expiry Date: | Nov 24,2015 |
| Detailed Description: |
Cas No. :7128-64-5
Quantity: 60Metric Tons Price:25 USD Kilograms Payment Method: TT, LC CHEMICAL NAME: 2,5-bis(5-tertbutyl-2-benzoxazolyl)thiophene MOLECULAR FORMULA: C26H26N2O2S (As International relative Atom Mass 1997) MOLECULAR WEIGHT: 430.2 Max UV ABSORPTION WAVELENGTH: 375 nm (ethanoll) Max OPTICAL EMITTING WAVELENGTH: 435 nm EXCUTIVE STANDARD: Q/LQH009-2003 SPECIFICATIONS: Appearance light yellow or milk white powder Purity 99.8 % Melting point:201-202 PROPERTIES: Optical brightener OB is a kind of benzoxazole compound, lt is odorless, hard to dissolve in water, soluble in paraffin, fat, mineral oil, wax and common organic solvents. 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 emitt a bright bluish white glaze. It can also be used as special marks in identify fakless material if used in printing ink. DIRECTION FOR USAGE: Thoroughly dispersed in all those polymers.If any ultral violet spectrum absorption agent is used in the polymers, the optimal dosage of optical brightener OB should be adjusted. DOSAGE: (per 100 kg polymer ): PVC white 0.01-0.05% (10-50 g) transparent 0.0001-0.001% (0.1-1 g) PS white 0.001% (about 1g ) transparent 0.0001-0.001% (0.1-1 g) ABS natural color 0.01-0.05% (10-50 g) white 0.01-0.05% (10-50 g) PE, PP colorless 0.0005-0.001% (0.5-1 g) white 0.005-0.05% (5-50 g) |
| 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: | 
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| Safety Description: | S24/25:; |
| Company: | JINAN SUBANG FINE CHEMICAL CO.,LTD [ China ] |
| Contact: | Ms Yama |
| Tel: | 86-0531-81901283 |
| Fax: | 86-0531-81901282 |
| Email: | sales5@sbchem.cn |
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