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OPTICAL BRIGHTENER OB CAS NO.7128-64-5
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| Post Date: | Mar 16,2023 |
| Expiry Date: | Mar 15,2024 |
| Detailed Description: |
Cas No. :7128-64-5
Quantity: 50Metric Tons Price:Negotiable USD Metric Tons Payment Method: T/T,L/C,D/P OPTICAL BRIGHTENER OB Technical Data Sheet (TDS) Chemistry Chemical name: 2.5-Bis-(5-tert-butyl-2-benzoxazolyl)thiophene CAS No.：7128-64-5 Molecular formular：C26H26N2O2S Molecular weight：430 Molecular structure Specification Appearance: Slight greenish yellow powder Assay, %：≥98.0 Melting point，℃：200 – 204 Volatility, %: ≤0.5 Ash, %: ≤0.5 Particle size: pass 200 mesh Solubility Hardly soluble in water, soluble in alkanes, mineral oils, common organic solvents, etc. Application Optical Brightener OB has excellent thermal stability, special whitening performance, good light stability and low volatility. It has an excellent blue effect. It is easily soluble in organic solvents and has good compatibility in different substrates. It is especially suitable for film and sheet for whitening and brightening of polyvinyl chloride, polystyrene, polyethylene polypropylene, thermoplastics, ABS, acetate, paints, paints and printing inks. The maximum absorption of the spectrum is 375 nm (in ethanol) and the maximum emission wavelength is 435 nm (in ethanol) Packing 25kg/fiber drum lined with plastic bags or 25kg/carton Storage Containers should be kept tightly closed when not in use. Store it in a dry, cool, well-ventilated shady place. Recommended Dosage 0.01-0.05% |
| 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: | Guangzhou Chengshuai New Material Co.,Ltd. [ China ] |
| Contact: | David |
| Tel: | 862034708468 |
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| Email: | info@hhochem.com |
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