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Optical Brightener

Details for Optical Brightener

Optical Brightener


Dyestuffs and Pigments/Pigments

Optical Brightener
CAS NO: 16090-02-1
EC NO: 240-245-2
Molecular Formula: C40H38N12Na2O8S2
Molecular Weight: 924.9149
Specification: Appearance white or light yellow even powder
InChI: InChI=1/C40H40N12O8S2.2Na/c53-61(54,55)33-25-31(43-37-45-35(41-29-7-3-1-4-8-29)47-39(49-37)51-17-21-59-22-18-51)15-13-27(33)11-12-28-14-16-32(26-34(28)62(56,57)58)44-38-46-36(42-30-9-5-2-6-10-30)48-40(50-38)52-19-23-60-24-20-52;;/h1-16,25-26H,17-24H2,(H,53,54,55)(H,56,57,58)(H2,41,43,45,47,49)(H2,42,44,46,48,50);;/q;2*+1/p-2/b12-11+;;
Packing: Packed in iron drum or cardboard bucket after being packed in plastic bag first. Net weight per bucket is 20 kg or 25 kg.
Product description:
Optical brightener CXT

Molecular formula: C40H38N12O8S2Na2
Molecular weight: 924.93 (As International relative Atom Mass 1997)


Appearance white or light yellow even powder

UV absorption (in E) :370min

Fluorescence Strength:100±3% (compared with the standard sample)

Moisture content,% :5.0max

Does not dissolve in water impurities,% : 0.5max

Fineness (180um aperture sieve residue content),% :10.0 max

    Optical Brightener CXT is regarded as one of the perfect agent used in detergent industry. Owing to introducing the morpholine group into the molecular, The properties such as acid and perborate resistence be improved. It can be used in the whitening of cellulose fiber, polyamide fiber and fabrics, showing nionic characters and has optical blue color. It has better resistence to chloride bleaching than VBL and 31#, the most favorable dyeing bath pH value is 7-10. Its sunlight fastness is 4 grade. The most advantage used in detergent industry is its high matching capacity, high accumulated washing whitening effect. So it can meet the requirments of various matching capacity in detergent industry.
    1. Used in detergent industry, for the synthetic detergent, toilet soap and soap.
    2. Used in the fabric of cotton fiber, nylon, etc, taking on excellent whitening effect on artificial fiber, polyamide, vinylon, also has goodwhitening effect on casein fiber, polyamide plastic.
    Optical brightener CXT has less solubility than VBL and 31#, it can be soluble in hot water and form about 10% solution. The solution should be used immediatly when it is ready and avoid sunlight. The dosage used is 0.1-0.5% in detergent industry and 0.1-0.3% in dyeing industry.

     Packed in iron drum or cardboard bucket after being packed in plastic bag first. Net weight per bucket is 20 kg or 25 kg.

Uses: Used in detergent industry, for the synthetic detergent, toilet soap and soap.
Synonyms: C.I. Fluorescent brightener 260;C.I. Fluorescent Brightener 244;C.I. Fluorescent Brightener 250;C.I. Fluorescent Brightener 71;Tinopal DMS;Fluorescent brightener 260;Fluorescent Whitener CXT;2,2'-(1,2-ethenediyl)bis[5-[[4-(4-morpholinyl)-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-benzenesulfonic acid], disodium salt;Fluorescent-260;2,2'-(E)-ethene-1,2-diylbis(5-{[4-morpholin-4-yl-6-(phenylamino)-1,3,5-triazin-2-yl]amino}benzenesulfonic acid);disodium 2,2'-(E)-ethene-1,2-diylbis(5-{[4-morpholin-4-yl-6-(phenylamino)-1,3,5-triazin-2-yl]amino}benzenesulfonate);Optical Brightener DMS;Fluorescent brightening agent 71(C.I.40625);
Molecular Structure: Optical Brightener 16090-02-1
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