FLUORESCENT BRIGHTENER FB-351(CBS-X)
C.I. 351 CAS:27344-41-8
MOLECULAR FORMULA: C28H20S2O6Na2
MOLECULAR WEIGHT: 562.60 (As International relative Atom Mass 1997)
EXCUTIVE STANDARD: HG/T3726-2003
|Smell||No special smell|
|Max UV absorption wavelength, nm||348±1|
|1% Extinction coefficient||1105-1181|
|Water content %||≤3.5|
|Impurity content(can’t be dissolved in water) %||≤0.2|
Optical Brightener CBS-X is a disulfonic distyrylbiphenyl compound,
which is the most excellent brightener used in detergent industry.
It can soluble in water easily and has better whitener effect on
cellulose fiber, polyamide and protein fiber at room temperature.
It has high brighten intensity on cotton cloth as much 2.7 times as
bis(triazinylamino)stilbene derivatives, and has well optical blue
color monitor, dissolve and disperse properties. It has extremely
high stability with hypochlorite sodium; it is a bleaching
resistant optical brightener.
Used in synthetic detergent industry and soap industry.
1. It can be added in any procedure of the production of synthetic
detergent and soap. It can be obtained excellent effect if used
together with optical brightener 31#.
2. 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:
Liquid detergent: 0.02-0.06% Washing syrup: 0.005-0.02%
PACKAGE: Packed per 25kg in cardboard bucket or cardboard box after being
packed in plastic bag first.
TRANSPORTATION: Avoid inversion, sunlight, moisture and crash. Avoid damage the
STORAGE: Should be stored in cool, dry and ventilate place, and storage
term should not exceed 2 years.