OPTICAL BRIGHTENER OB-1
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| Post Date: | Jun 30,2015 |
| Expiry Date: | Dec 27,2015 |
| Detailed Description: |
Cas No. :1533-45-5
Price:15 USD Kilograms Payment Method: TT Chemical name：2,2-(4,4’- Vinyl Biphenyl) Dual Benzoxazole CAS NO. ：1533-45-5 C.I. NO. ：393 Molecular formula：C28H18N2O2 Molecular weight：414.4 Structural formula： Appearance：yellowish green powder； Content(weight) : 98.0% Min Melting Point: 353-359℃； Fineness ： through 1000 meshes Solubility : insoluble in water,but soluble in high boiling point organic solvent such as phenyl-chloride Properties & Features： ① Whitening high strength, strong fluorescence. ② Wide applicable performance, widely used in polyester fiber (such as: polyester fiber, nylon fiber whitening) and many kinds of plastic whitening. ③ Excellent thermal stability and very fewer usage amounts. Range of Application: ① Suitable for polyester fiber (PSF), nylon fiber and chemical fiber whitening. ② Applicable to PP, PVC, ABS, PA, PS, PC, PBT plastic whitening brightening, with excellent whitening effect. ③ Suitable for whitening agent concentrated masterbatch added (such as: LDPE color concentrate) Recommended dosage: every 1000Kg polymer added amount of Optical brightener OB-1: ① dosage in polyester fiber 75-300g.（75—300ppm） ② dosage in Rigid PVC ,PP,ABS,Nylon,PC 20-50g.（20—50ppm）. ③ dosage in whitening concentrated masterbatch 5-7kg.（0.5—0.7%）. Note: For PE and soft PVC using fluorescent Optical brightener OB-1, special attention should be paid to the amount of control, excessive dosage will happen brightener migration. Add any UV absorber in the polymer, the best dosage should pay attention to adjust Optical brightener OB-1 |
| 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: | 
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| Safety Description: | S24/25:; |
| Company: | Hubei Hongxin Chemical Co., Ltd [ China ] |
| Contact: | Michelle |
| Tel: | +86-27-65389284 |
| Fax: | +86-21-61294563 |
| Email: | bechoice@qq.com |
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