Optical Brightener (OB-1)

• Appearance: Yellowish Green Granule
• Ssay: 99% Min
• Molecular Formula: C28h18n2o2
• Transport Package: 25kg/drum
• Trademark: Sinoshiny
• Origin: China
• Model NO.: CAS NO.: 1533-45-5
• HS Code: 32042000
• Production Capacity: 30 Metric Tons/Month

Product Description

Synonyms: 2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole; Fluorescent Brightener OB-1; Fluorescent Brightener 393; 2,2-(4,-4`-Vinyl Biphenyl)Dual Benzoxazole
CAS No.:1533-45-5
Structural No.: C.I.393
Molecular formula: C28H18N2O2

?Molecular weight: 414.4
Appearance: Greenish yellow granules
Melting point:353-359oC
Assay:99% min
Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request.
Applications:Optical Brightener OB-1 is the best whitening agent for polymer fiber,and it is also widely used in plastics,such as PP,ABS,PS,HIPS,PA,PC,EVA,rigid PVC etc.

?


? ?Guangzhou Shiny Co., Ltd., established in 2007, is a dynamic technology-based chemicals company, dedicated to the development, production and marketing in the fine chemical industry, composed of 4 manufacturing bases, 3 R&D centers and one import & export company.?
?
We have obtained ISO9001:2008 international quality certification. Our services cover the whole range from small amount(kilogram) for research to large bulk of multi-tons for industrial production, synthesis capacity from 1 liter to 3,000 liters are available. GMP compliant quality assurance system and stringent regulations on cosmetic and pharmaceutical industriesenable us to enjoy more trust and cutting-edge strength in the local and world market.?
?
Guangzhou Shiny focuses on the following sectors:?
--Aromatic Compounds, Cinnamic derivatives, Esters of Phenylacetate, etc.
--UV Absorbers, for cosmetic, rubber and plastics, etc.?
--Personal care and homecare ingredients (disinfectors, surfactants, etc.)?
--Optical brighteners for detergent and plastics, etc.?
--Pharmaceutical intermediates?
-- Active Pharmaceutical Ingredients(API)?
?
To become 'Your One Stop Specialty Chemicals Supplier' is the goal we are striving to reach. We are committed to surpassing your expectations and hope by timely delivering the best quality products at the most competitive prices from China, and providing considerate and reliable after-sales service and support.