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    Optical Brighteners Current Position: home > Optical Brighteners

    Introduction:

    BBU is a stilbene triazin tetra-sulfonic sodium class optical brightener suitable paper and textile industries.

    Structural Formula:

    Details:

    CAS 16470-24-9

    Molecular formulaC40H40N12Na4O16S4

    Molecular weight1165.12

    Appearance: Light yellow uniform powder

    Properties
    1Good water solubility, It can be dissolved in water, the ratio is 1: 3. The solution can keep stable without adding other additives.
    2
    Anionic type brightener, It can be used along with anionic or nonionic surfactant in one bath.
    3
    Good resistance to hard water, the ions of Ca2+ and Mg2+ nearly no influence on its whitening performance, but it is unendurable to the heavy metal ion such copper, iron, etc.
    4
    General acid-resistance and the optimal applied situation is PH value7 .
    5
    Good resistance to peroxide bleach agent and containing reductive bleaching agent(sodium hydrosulfite).
    Applications

    BBU is used in paper pulp, sizing process and coating mixtures. Suitable for cotton fiber and glue fiber. It also can be used in the syrup of white discharge plasma.

    Method of usage:

    The recommended loading concentration when used in padding dyeing is 0.1-0.5%, bath ratio is 1:20-30, holding time is about 20-40min at 60-100. It can be changed depending on substrate, processing conditions, and long-term stability requirements.

    Please Noted: above recommended loading can be a reference. Exact loading must be

    determined by specific requirement.
    Packing: 25Kg complex paper bag or carton

     
     
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        Intermediates
    -Biphenyl
    -Diphenyl ether
    -BCMB
    -p-Toluic acid
    -2-Chlorothioxanthone
    -Terephthalaldehyde
    -4-chloro phenol
    -2-aminophenol
    -m-Toluic acid
    -o-Toluic acid
    -4-tert-Butylbenzoic acid
    -4-methylbenzene methanol
    -3-Chloro-2-methylaniline
    -2-Trifluoromethylthioxanthone
    -Decahydronaphthalene
    -p-Toluoyl Chloride
    -Benzaldehyde-2-sulfonic acid sodium
    -p-Tolunitrile
    -m-Tolunitrile
    -o-Tolunitrile
    -1,2,3,4-Tetrahydronaphthalene
    -4-Formyl Benzoic Acid
    -1,4-Bis(chloromethyl)benzene
    -4-Benzyloxycinnamic acid
    -4-tert-Butylbenzoic acid
    -1,2,3,5-Tetraacetyl-B-D-Ribofuranose
    -m-Phthalaldehyde
    -3,4-Dihydroxybenzoic acid
    -4,4'-Dihydroxy benzophenone
    -P-Terphenyl
    -Salicylaldehyde
    -4-ADPA
    -o-Phthalaldehyde
    -Sulfolane
    -1-Methylpyrrolidine
    -4-Fluorocinnamic acid
    -Sulfobutyl Ether-β-cyclodextrin
    -2-Iodobenzoic acid
    -4,4'-Oxydianiline
    -Isophthaloyl dichloride
    -Terephthaloyl Dichloride
    -o-Toluoyl Chloride
    -m-Toluoyl Chloride
    -2,4-Dihydroxy benzophenone
    -2,5-Dihydroxy toluene
    -2,6-Difluoroaniline
    -2,6-Difluorobenzamide
    -2,6-Difluorobenzonitrile
    -Nitrogen trifluoride
    -1,3-cyclohexanedione
    -2-Bromo-6-Cyanopyridine
    -2-Bromophenyl Methyl Sulfide
    -2-Bromophenyl Methyl Sulfone
    -2-Bromophenyl methyl sulfoxide
    -2-Chloro-5-nitro benzoic acid
    -2-Chloro-6-nitrotoluene
    -2-Methylamino-5-chlorobenzophenone
    -5-chloro-2-methyl aniline
    -2-chlorobenzaldehyde
    -4,4'-Dibromobiphenyl
    -4,4'-Diiodobiphenyl
    -4,4'-Bis(methoxymethyl)- 1,1'-Biphenyl
    -4,4'-Bis(hydroxymethyl)biphenyl
    -Biphenyl-4,4'-dicarboxylic Acid
    -p-Terphenyl
    -4,4'-Dimethylbiphenyl
    -4,4'-Biphenyldicarboxaldehyde
    -4-Biphenyl acetic Acid
    -4-Hydroxy-(1,1'-biphenyl)-4'-carboxylic acid
    -4-phenoxyphenol
    -4-Cyanobiphenyl
    -4-Biphenylcarboxaldehyde
    -4-Phenylbenzoic acid
    -4-Bromophenyl methyl sulfone
    -4-Bromophenyl methyl sulfoxide
    -4-Chloro benzophenone
    -4-Hydroxy benzophenone
    -4-Hydroxycinnamic acid
    -4-Hydroxycoumarin
    -4-(methylamino)benzoic acid
    -4-Nitroaniline
    -4,4'-Stilbene dicarboxylic acid
    -2- Methylnaphthalene
    -BIS(pinacolato)diboron
    -Coumarin
    -2-Cyanobenzyl chloride
    -Ethyl-(s)-4-chloro-3-hydroxybutyrate
    -Pentafloroiodine
    -Trifluoromethanesulfonic anhydride
    -Trifluoromethanesulfonic acid
    -2,6-Dichlorotoluene
    -o-tert-Butylphenol
    -O-Methyl benzoquinone
    -4-Acetylbiphenyl
    -p-tert-Butylphenol
    -2,6-DI-TERT-BUTYLPHENOL
    -2,4-Di-tert-butylphenol
    -7-APRA
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    -FWA ER-II(C.I. 199:1)
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