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Fluorescent optical Brightener OB-1(C.I.393)
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| Post Date: | Feb 27,2016 |
| Expiry Date: | Feb 26,2017 |
| Detailed Description: |
Cas No. :1533-45-5
Quantity: 2000Metric Tons Specs:OB-1 yellow Fluorescent Brightener OB-1 1.Chemical name: Distyryl bisbenzoxazole OB-1 2.Technical conditions: Purity: ≥ 99.95% Appearance: Bright yellow crystalline powder Melting point: 250 ~310℃ Ash: ≤0.1% Volatile:≤0.5% Fineness: ≥ 100 mesh 3.Features: Bright green crystalline powder---fluorescent brightener OB-1, insoluble in water, odorless, stable performance, the maximum absorption of wavelength spectrum is 370mm, it is mainly used in the synthesis of fiber and plastic. 4.Usage and dosage: Fully mix up the fluorescent brightener OB-1 with the raw materials, then molding processing. Fluorescent brightener OB-1 is commonly used in the amount of 0.01-0.03%, that is, each 100kg of the materials, the fluorescent brightener OB-1 takes 10-30g or can be adjusted according to the requirements of the product or test. 5.Packaging and Storage: 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements. To avoid light, can be stored in cool and dry place for 24months. Notes: A small amount of crystallization is allowed when storage over 2 months, the effect will not be affected during the shelf life. |
| 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: | Changsha Lianda Chemical Co.,Ltd. [ China ] |
| Contact: | Molly |
| Tel: | +86-731-83888220 |
| Fax: | +86-731-88726158 |
| Email: | molly@csldhg.cn |
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