Optical Brightener CBS-X(C.I.351)

Optical Brightener CBS-X(C.I.351) CAS NO.:27344-41-8

Optical Brightener CBS-X is a high molecular weight optical brightener of the distyryl biphenyl class, suitable for the optical

brightening of synthetic detergents, scented soap and soaps.

1.Item name:

4,4’-bis(2-disulfonic acid styryl) biphenyl

2.Specifications:

Molecular Formula: C28H20O6S2Na2

Molecular Weight: 562.6

CAS No.: 27344-41-8

Appearance: Pistachio granule / Pistachio crystal powder

E (1% /cm): 1080-1181

Indissoluble substance: ≤0.5%

Solubility in water: 25℃ 25g/l 70℃ 100g/l 95℃ 300g/l

λmax in ultra-violet range: 348nm±1nm

Ionic character: Anion

Particle size: 95% through 200 mesh

Structural formula:

3. Properties:

SinoShiny Optical Brightener CBS-X features exceptional whitening properties, excellent light fastness，extremely

high stability with hypo chloride sodium, mostly used in detergent industry. Readily soluble in water, better whitening

effect on cellulose fiber, polyamide and casein fiber even in room temperature. Its high concentrated products has 2.7 times

white effect on cotton cloth than that of Diphenylene twin tristriazine derivatives. It can be used in chlorine/oxygen

bleaching, washing, level dyeing and so on. It is liable to biology degradation.

4. Application:

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

Conventional detergent powders 0.05-0.25

Compact detergent powder 0.10-0.40

Unstructured liquid detergent 0.05-0.40

Structured liquid detergent 0.05-0.15

Soap bars 0.02-0.05

Detergent bars 0.05-0.15

Industrial detergent 0.20-1.00

Cream 0.05-0.15

5.Package:

25kg / fiber drum with PE liner
6.Storage:

Keep in cool, dry, ventilate place, keep away from sunlight, provided the usual precautions for handling chemicals are observed. Avoid dust formation and ignition sources.Wear protective goggles and gloves while applying. Avoid direct contact with skin and eyes. Soap clean if skin contaminated.