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Optical brightener OB

Optical brightener OB

  • Optical brightener OB
Optical brightener OB
Product Details:
Place of Origin: china
Brand Name: baiyi
Certification: SGS
Model Number: 99%
Payment & Shipping Terms:
Minimum Order Quantity: 500KG
Price: 1USD
Packaging Details: 25KG
Delivery Time: 5-8DAY
Payment Terms: Western Union, T/T, L/C, D/A, D/P, MoneyGram
Supply Ability: 1000T
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Detailed Product Description
Color: White Other Names: CMC
Appearance: Optical Brightener OB Package: In Standard Package
Purity: 98% Sample: Yes
Payment Method: BTC Or WU Bulk Discount: Yes
Custom Synthesis: Yes Tracking Number: Yes

CMC for detergent


Molecular formula: C26H26N2O2S
Molecular weight: 430.56
Molecular Structure:  
CAS#: 52232-33-4
1.Chemical name:2,5-bis(5-tertbutyl-2-benzoxazolyl)thiophene
Molecular formula: C26H26N2O2S (As International relative Atom Mass 1997)
Molecular weight: 430.2


light yellow or milk white powder
≥ 99.8 %
Melting point
≤ 0.1
Volatile content
≤ 0.4%


3. performance Features
1)Pale green powder, tasteless, dissolvable in paraffin, fat, olefin and most organic
solvents.Its spectrum can absorb the maximum wavelength of 375nm with the
maximum transmitted length of 435nm(in ethanol).
2) Good brightening effects and weathering resistance requires a small
quantity but can be widely used
4.Scope of Application
OB is widely used in the brightening of thermoplastics as PVC, PE, PP, PS, ABS,
PMMA, POM and thermosetting plastic, polyester fiber, paint, ink and coating.
5.Aplication Methods
Polyvinyl chloride brightening: 0.01��0.05%
increase radiance: 0.0001��0.001%
Polystyrene 0.0001��0.05%
ABS: 0.01��0.05%
Polyolefin colorless matrix: 0.0005��0.001%
white matrix: 0.005��0.05%
6.Packing Storage
Packed in 25kg×1 tanks, 5kg×2 paper boxes or 1kg(iron cases)×12 paper boxes
at cool and dry places to be protected from light.

Contact Details
Baiyi Chemical Co.,Ltd

Contact Person: Mr. Tom

Fax: 86-0531-5789-5874

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