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Hot selling OB-1 optical brightener
Hot selling OB-1 optical brightener
Supplier Info
[China Supplier]
Contact Person : Ms. DENG SUNNY
Tel : 0086-551-2376776
Fax : 0086-551-2376779
Product Detail
Product: Optical Brightener OB-1 Chemical name: 2.5-bis (5-terbuty1-2-benzoxazolyl) thiophene CAS NO.: 7128-64-5 C.I.NO.:184

Optical Brightener OB-1

Chemical name: 2.5-bis (5-terbuty1-2-benzoxazolyl) thiophene

CAS NO.: 7128-64-5

C.I.NO.:184

Description:

OB is a fluorescent whitening agent of the thiophenediyl benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, flexible PVC and polyethylene. Dosage: 0.01%~0.05%..

Specification:

Molecular Formula 

Assay  a  

Molecular Weight 

Appearance 

Melting Point 

Volatiles 

Partical Size    

TGA  b @ 335.9°C

( LC )

(Air @ 20°C/min. rate) 

C26H26SO2N2 

98% min.

430g/mole

Slight Yellowish powder 

200-202°C

<0.15%

<50 (mean micron)

90% Retention

Application/Uses:

•     Coatings

•     Flexible PVC

•     Man-made fibers       

•      Plastics

•     Polyethylene

•     Printing Inks

Key Attributes:

•     Colors appear more brilliant

•     Environmentally friendly

•     Excellent brightening ability

•     Produce a bluish tinge, masking yellowness

•     Whiter-than-white appearance.

Packing : 25kgs fibre drum.

Quantity: Around 5.25mts/20’fcl without pallet.

Storage: Keep in cool and dry place, far away from high temperature and sunshine.

Hot selling OB-1 optical brightener

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