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    Optical Brighteners Current Position: home > Optical Brighteners

    Introduction: MST is a stilbene triazin hexa-sulfonic sodium class optical brightener suitable paper and textile industries.

    Structural Formula:

    Details:

    CAS: 55585-28-9

    Molecular FormulaC40H36N12Na6O20S6

    Molecular Weight1334.10

    Appearance: Light yellow uniform powder

    Properties
    It has good water solubility, good resistance to hard water and the Ca2+ and Mg2+ can’t affect the whiteness. Good peroxide bleaching agent resistance. It can get the best effect under the pH 7.
    Applications
    it is widely used in paper making(paper and pulp, surface glue, coating) and textiles industries
    cotton, glue, whiten discharge plasma.

    Method of usage:

    The recommended loading concentration when used in padding dyeing is 0.1-0.5%, bath ratio:1:20 under 95-98 about 45min. 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
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    -p-Toluic acid
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    -Terephthalaldehyde
    -Cyclohezane Carboxylic Acid
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    -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
    -5-fluorouracil
    -4,4'-Stilbene dicarboxylic acid
    -2- Methylnaphthalene
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    -Ethyl-(s)-4-chloro-3-hydroxybutyrate
    -Fluorobenzene
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    -2,6-Dichlorotoluene
    -o-tert-Butylphenol
    -O-Methyl benzoquinone
    -4-Acetylbiphenyl
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