Molecular Sturcture

 　　　　　　

C.I. Reference No.: Fluorescent Whitening Agent 351

Appearance: Free-flowing and brightly yellow particles
Usage: Fluorescent whitening agents (CF-351) can be added at any step in the procedure of manufatuing compound detergents, perfumed soaps and ordinary soaps, or dissolve into any component of them and then just mix uniformly.  
Storage: Store in a cool, dry and shady place.
Packaging:

Hard carboard lined with the plastic bags for 1.25 Kg; and

Anti-static packaging bags for 2.500Kg.
Safety Notes: CF-351 has the same processing approaches with other industrial fine chemicals and should prevent the dust from dropping and be far away the combusion source.
Applicable Scope and Recommended Dosage

 

The type of detergents	Dosage %(w/w detergent)	The type of detergents	Dosage %(w/w detergent)
Ordinary wash power	0.01-0.10	Perfumed soap and ordinary soap	0.02-0.20
Concentrated wash power	0.02-0.20	Fabirc softener	0.10-0.30
Liquid detergent	0.10-0.30	Detergent paste	0.01-0.10

Specifications

 

Extinction coefficient	1105-1181
Water Insolubles	≤0.03%

Physical Property

 

Solubility (in water)	25℃, 25g/L
	70℃, 100g/L 95℃, 300g/L
Maximum wavelength of ultraviolet absorption	348-350nm
Ionicity	Negative ion

Our Customers
Main customers at home and abroad
Procter &Gamble, Unilever, Henkel, Kao Corporation, Nice Group, Liby Group, Nanfine Group, Shanghai Whitecat Shareholding Co., LTD, Quanli Group, Lonkey Group and etc.

Exporting Countries and Regions
Southeast Asis, the Mid East, Europe, Africa, North America, the Caribbean Region, etc.

 

CAS Registerion No.: 27344-41-8
The Similar Foreign Product Name : Tinopal CBS-X (BASF)
Property: CF-351 is a double stilbene-biphenyl type fluorescent whitening agent, and applicable to optically whitening in any step of manufacturing various compound detergents, soaps and perfumed soaps.
Chemical Name: 4,4' double (two- sulfonic cinnamenly)-1, 1’- biphenyl
Molecular Weight: 562.6
Features:
Highly whitening intensity;
High performance in resistence to chlorine bleaching and oxygen bleaching;
Outstanding washing fastness and dry-and-wet color fastness to sunlight;
Excellent level dyeing performance;
Apt to be biodegradation;
High solubility;
Applied to compound wash power, liquid detergents and perfumed (ordinary) soaps; and
Directly applicable to the optical whitenning of cotton, fibre, silk, wool, nylon and paper in room temperature.