CAS 27344-41-8 Optical Brightener CBS-X Yellowish Granule For Detergent

CAS 27344-41-8 Optical Brightener CBS-X Yellowish Granule For Detergent



1. General Information of Detergent optical brightener FB-351                                                              



Item Indices
Appearance Pistachio granule or powder
Molecular formula C28H20S2O6Na2
SUBSTANCE NAME disodium 2,2'-([1,1'-biphenyl]-4,4'-diyldivinylene)bis(benzenesulphonate)
Max UV absorption wavelength 349nm
1% Extinction coefficient 1105-1181
Moisture content ≤5.0%
Content of Water-insoluble impurities ≤0.5%


(1) Good solubility in water and best whitening effect on cellulose fiber, polyamide and proteninic fiber.

(2) High stability with hypochloride sodium and good bleaching resistant

(3) High fluorescent intensity on cotton cloth and well optical blue color, goods dissolving

and disperse property.


2. Application and procedure of Detergent optical brightener FB-351                                                  

(1) Maintly used in washing powder, washing liquid, Soap and Toilet soap etc synthetic detergent industry.

(2) It can also be used in cotton, cellulose fiber, polyamide, proteninic, wool etc fiber.

Recommended dosage :

Common washing powder: 0.005-0.03% Soap:0.01-0.05%

Concentrated washing powder: 0.01-0.05% Soft agent of fabric fiber: 0.01-0.05%

Lquid detergent: 0.02-0.06% Washing syrup: 0.005-0.02%


3. Packing and Shipping                                                                                                                                

Optical Brightening agent FB-351 is packed per 25kg in cardboard box or drum after being packed in plastic bag first.

We have rich experiences in exporting and importing. We have good cooperation with world wide Express like DHL, UPS etc and also shipping line to ensure the samples and goods can be reach to the cutomers at soonest speed.


4. Quality Contral and R&D                                                                                                                            

We have more than 15 years of production and we also have experienced technical person to do testing and gurantee the quality during the whole production line.In past few years our team strive to develop new products which are enviromental friendly and energy

saving. We believe with our fulfillment to be the best enterprise for our customers. Under their efforts the Optical brightening agent has achieved national advanced level.


5. Production line                                                                                                                                           


Shanxi Colorshine Chemical Industry Co.,ltd is an ISO-certified modernized chemical enterprise in the collection of R&D, production and sales. Our company concentrates on the production, sales and service for Optical brighteners,Dyes and Carbon Black, fine chemicals and intermediates, which are widely used in detergent,paper-making, textile, rubber industry, medical industry, paints, printing inks and etc.

Our company's headquarters is based in Linfen City, Shanxi Province. We are establishing technical cooperation with Linfen Tech University, and manufacture products according to different customers’ requirements to fulfill market’s demand.

Except professional R&D team, our factory has advanced production and testing equipments for testing, mixing and post-processing the products in order to ensure the high quality.

With profound chemistry knowledge and rich experience, our business team can offer professional technical supports according to customers’ demand.Till now our products are exported to Japan and South Korea, Southeast Asia, the Middle East, Central and South America, Africa and successfully into Germany, France, the United States and other European markets.



Detergent Optical Brighteners

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