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Optical Brightener Agent CBS-X /C.I.351

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Optical Brightener Agent CBS-X /C.I.351
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CAS NO: 27344-41-8
Color Shade: Blue Or Red
Chemical Name: 4.4'-Bis(2-Sulfostyryl)Biphenyl Disodium Salt
E Value: 1105-1181
Dosage Washing Powder: 0.01-0.1%
Liquid Detergent: 0.1-0.3%
High Light:

fluorescent whitening agents in laundry detergents


fluorescing agents in detergents

Basic Infomation
Place of Origin: China
Brand Name: Longpu
Certification: REACH,SGS,ISO9001
Model Number: OBA CBS-X
Payment & Shipping Terms
Packaging Details: 25kg fiber drum
Delivery Time: Prompt
Payment Terms: T/T ,L/C
Supply Ability: Prompt
Product Description

Best whitening Optical Brightener Agent Detergent CBS-X E =1120 Powder CAS NO 27344-41-8



[CHEMICAL NAME] 4.4’-bis(2-disulfonic acid styryl) biphenyl

[Molecular weight] 562.6


Optical Brightener Agent CBS-X /C.I.351 0

[Application range and recommended dosage]

TYPE Dosage (%w/w in detergents)
General washing powders 0.01-0.10
Concentrated washing powders 0.02-0.20
Liquid detergents 0.10-0.30
Scented soaps,soaps 0.02-0.20
Fabric softening agents 0.10-0.30
Washing cream 0.01-0.10


E(1%/cm) 1105-1181
Indissoluble substance ≦0.5%
Particle Size 95% through 50 mesh screen

[Physical properties]


Solubility in water

λmax in ultra-violet range 348-350nm
Ionic character anion

[C.I.NO] C.I.351

[CAS NO.]27344-41-8


CBS-X is an optical fluorescent brightener of the distyryl biphenyl class,suitable for the optical brightening of synthetic.

Detergents,scented soaps,and soaps at all stages of processing.


CBS-X features high whitening strength,excellent fastness,to chlorine/oxygen bleaching,washing,and dry/wet light fastness,level dyeing properties.It is liable to biology degradation.Even in low temperature,the product has a high solubility in water,especially suitable for liquid detergent.CBS-X is mainly used as the optical brightening agents of cotton,linen,silk,wool,polyamide fibers and papers etc.

[Guidelines for use]

CBS-X can be added to synthetic detergents,scented soaps,soaps or dissolved in an ingredient and blendend equably at all stages of processing.


Flow free bright yellowish granule.


Keep in cool dry place,keep away form sunlight,provided the usual precautions for handing chemicals are observed.


Paper drum lined with plastics bags,net weight 25kg.


CBS-351 can be handled in accordance with the ususl rules for industrial chemicals.Avoid dust formation and ignition sources.

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