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Shanghai Linebon Fine Chemical Co., Ltd.

Ob-1, Ob-1 CAS1533-45-5, CAS 1533-45-5 manufacturer / supplier in China, offering Fluorescent Whitening Agent Ob-1 C. I. 393 CAS 1533-45-5 for Plastic, Fluorescent Brightening Agent Er-2 C. I. 199 CAS 13001-38-2 for Plastic, CAS 27344-41-8 CBS-X for Washing Fluorescent Whitening Optical Brightener and so on.

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Supplier Homepage Product Optical brightener plastic industry Fluorescent Whitening Agent Ob-1 C. I. 393 CAS 1533-45-5 for Plastic

Fluorescent Whitening Agent Ob-1 C. I. 393 CAS 1533-45-5 for Plastic

FOB Price: US $12.8-14 / kilogram
Min. Order: 100 kilogram
Min. Order FOB Price
100 kilogram US $12.8-14/ kilogram
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Production Capacity: 500tons/Year
Transport Package: Drum/Plastic Bag
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: CAS 1533-45-5
  • Environmental Protection: Yes
  • Kind: Plasticizer
  • Other Name: Fluorescent Whitening Agent
  • Delievery Date: Within 1 Week
  • Valid Date: 2 Years
  • Specification: SGS
  • Certification: SGS
  • Color: Green
  • Appearance: Powder
  • Sample: Available
  • Mf: C28h18n2o2
  • Trademark: linebon
  • Origin: China
Product Description

fluorescent whitening agent OB-1

C.I.393 CAS:1533-45-5

CHEMICAL NAME: 2,2-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
MOLECULAR WEIGHT: 414.4 (As International relative Atom Mass 1997)


AppearanceYellowish green powder
Purity≥ 98.0%
SmellNo special smell
Melting point353-359ºC
Ash≤ 0.5%
Volatile content≤ 0.5%

Optical Agent OB-1 is a excellent diphenylethylene bisbenzoxazole type compound. It is unsoluble in water and has stable capablity, also it has good resistance to heat, sunlight, chlorine bleaching and migration. It owns especially high temperature tolrence, suitable for shaping various kinds of plastics and their products under high temperature.It has an extra ideal whitening effect on polyester fibers as well as polyester fiber-containing fabrics including polyester-cotton blend fabric It can be used to whiten various kinds of plastics such as ABS, PS, HIPS, PA, PC, PP, EVA and rigid PVC. With addition of Optical Agent OB-1,polyamide fiber, nylon and polyester have significantly good whiteness. Mixed with this product, recycling polyester waste material, bottle material and slice flake will have a higher whiteness than before, different, recycling materials will have better similar color.

 Optical brightener OB-1should be thoroughly dispered in the polymers. When any ultral-violet absorption agent is added, the optimal dosage of optical brightener OB-1 will be adjusted accordingly.    

For transparent     0.0025-0.005%               opaque ≤ 0.01-0.03%
PACKAGE: Packaged in iron drum or cardboard barrels. Net weight is 25 kg or 50 kg each.
STORAGE: Should be stored in cool and dry place. 

Why us :
1. High quality under strict QC/QA system with GMP factory price and best service.
2. Fast and safe delivery with secure and discreet shipment.

3. Double check before delivery to make sure correct.

4. Third-party Inspection
5. Providing complete services with our resource integration, we can thus create more competitive advantages for you!

Thank you for ordering and hope you enjoy your purchase here. Your comments are always welcomed and very important in our long-term business corporation.

FREE SAMPLES can be sent for your evaluation!
Contact me now for further business :-)

Our factory

Fluorescent Whitening Agent Ob-1 C. I. 393 CAS 1533-45-5 for Plastic

Our laboratory

Fluorescent Whitening Agent Ob-1 C. I. 393 CAS 1533-45-5 for Plastic

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