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Photochromic Dyes

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    23 products on this category. Showing 20 products per page.

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    2,3-Dihydro-2-spiro-7'-[8'-imino-7',8'-dihydronaphthalen-1'-amine]perimidine
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    2,3-Dihydro-2-spiro-7'-[8'-imino-7',8'-dihydronaphthalen-1'-amine]perimidine

    CAS: 851768-62-2
    Formula:
    C20H16N4
    Color and Shape:
    White to Yellow to Orange powder to crystal
    Molecular weight:
    312.38

    Ref: 3B-D3619

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    2,3-Bis(2,4,5-trimethyl-3-thienyl)maleic Anhydride
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    2,3-Bis(2,4,5-trimethyl-3-thienyl)maleic Anhydride

    CAS: 112440-47-8
    Formula:
    C18H18O3S2
    Purity:
    >97.0%(T)
    Color and Shape:
    Light yellow to Yellow to Green powder to crystal
    Molecular weight:
    346.46

    Ref: 3B-B1534

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    4,4'-Bis(decyloxy)-3-methylazobenzene
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    4,4'-Bis(decyloxy)-3-methylazobenzene

    CAS: 1627844-78-3
    Formula:
    C33H52N2O2
    Purity:
    >95.0%(HPLC)
    Color and Shape:
    White to Yellow to Orange powder to crystal
    Molecular weight:
    508.79

    Ref: 3B-B4597

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    1,2-Bis(2,4-dimethyl-5-phenyl-3-thienyl)-3,3,4,4,5,5-hexafluoro-1-cyclopentene
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    1,2-Bis(2,4-dimethyl-5-phenyl-3-thienyl)-3,3,4,4,5,5-hexafluoro-1-cyclopentene

    CAS: 172612-67-8
    Formula:
    C29H22F6S2
    Purity:
    >98.0%(HPLC)
    Color and Shape:
    White to Light yellow powder to crystal
    Molecular weight:
    548.61

    Ref: 3B-B2629

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    1,2-Bis[2-methylbenzo[b]thiophen-3-yl]-3,3,4,4,5,5-hexafluoro-1-cyclopentene (purified by sublimation)
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    1,2-Bis[2-methylbenzo[b]thiophen-3-yl]-3,3,4,4,5,5-hexafluoro-1-cyclopentene (purified by sublimation)

    CAS: 137814-07-4
    Formula:
    C23H14F6S2
    Purity:
    >99.0%(GC)
    Color and Shape:
    White to Almost white powder to crystal
    Molecular weight:
    468.48

    Ref: 3B-B5623

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    1,2,3,4,5,6-Hexa-O-[11-[4-(4-hexylphenylazo)phenoxy]undecanoyl]-D-mannitol
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    1,2,3,4,5,6-Hexa-O-[11-[4-(4-hexylphenylazo)phenoxy]undecanoyl]-D-mannitol

    CAS: 1093077-77-0
    Formula:
    C180H254N12O18
    Purity:
    >97.0%(HPLC)
    Color and Shape:
    Light yellow to Brown powder to crystaline
    Molecular weight:
    2874.08

    Ref: 3B-H1452

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    4,4'-Bis(hexyloxy)-3-methylazobenzene
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    4,4'-Bis(hexyloxy)-3-methylazobenzene

    CAS: 1440509-03-4
    Formula:
    C25H36N2O2
    Purity:
    >95.0%(HPLC)
    Color and Shape:
    White to Almost white powder to crystaline
    Molecular weight:
    396.58

    Ref: 3B-B4596

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    1-(2-Hydroxyethyl)-3,3-dimethylindolino-6'-nitrobenzopyrylospiran
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    1-(2-Hydroxyethyl)-3,3-dimethylindolino-6'-nitrobenzopyrylospiran

    CAS: 16111-07-2
    Formula:
    C20H20N2O4
    Purity:
    >93.0%(T)(HPLC)
    Color and Shape:
    Orange to Brown to Dark purple powder to crystal
    Molecular weight:
    352.39

    Ref: 3B-H1042

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    cis-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene
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    cis-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene

    CAS: 112440-46-7
    Formula:
    C18H18N2S2
    Purity:
    >98.0%(N)
    Color and Shape:
    Light yellow to Brown powder to crystal
    Molecular weight:
    326.48

    Ref: 3B-B1536

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    4-[Bis(9,9-dimethylfluoren-2-yl)amino]azobenzene
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    4-[Bis(9,9-dimethylfluoren-2-yl)amino]azobenzene

    CAS: 883554-70-9
    Formula:
    C42H35N3
    Purity:
    >98.0%(HPLC)
    Color and Shape:
    Light yellow to Yellow to Orange powder to crystal
    Molecular weight:
    581.76

    Ref: 3B-B4796

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    2,3-Bis(2,4,5-trimethyl-3-thienyl)maleimide
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    2,3-Bis(2,4,5-trimethyl-3-thienyl)maleimide

    CAS: 220191-36-6
    Formula:
    C18H19NO2S2
    Purity:
    >97.0%(T)(HPLC)
    Color and Shape:
    Light yellow to Yellow to Green powder to crystal
    Molecular weight:
    345.48

    Ref: 3B-B1535

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    1,3,3-Trimethylindolino--naphthopyrylospiran
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    1,3,3-Trimethylindolino--naphthopyrylospiran

    CAS: 1592-43-4
    Formula:
    C23H21NO
    Purity:
    >98.0%(T)
    Color and Shape:
    White to Almost white powder to crystal
    Molecular weight:
    327.43

    Ref: 3B-T0423

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    1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran
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    1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran

    CAS: 13433-31-3
    Formula:
    C20H21NO2
    Purity:
    >98.0%(GC)(T)
    Color and Shape:
    White to Light yellow to Light red powder to crystal
    Molecular weight:
    307.39

    Ref: 3B-T0416

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    2,3-Dihydro-2-spiro-4'-[8'-aminonaphthalen-1'(4'H)-one]perimidine (contains o-form)
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    2,3-Dihydro-2-spiro-4'-[8'-aminonaphthalen-1'(4'H)-one]perimidine (contains o-form)

    CAS: 851768-63-3
    Formula:
    C20H15N3O
    Purity:
    >98.0%(N)
    Color and Shape:
    Light yellow to Amber to Dark green powder to crystal
    Molecular weight:
    313.36

    Ref: 3B-D3618

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    Estimated delivery in United States, on Friday 18 Jun 2021
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    4,4'-Bis(dodecyloxy)-3-methylazobenzene
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    4,4'-Bis(dodecyloxy)-3-methylazobenzene

    CAS: 1440509-01-2
    Formula:
    C37H60N2O2
    Purity:
    >93.0%(HPLC)
    Color and Shape:
    Light yellow to Yellow to Orange powder to crystal
    Molecular weight:
    564.90

    Ref: 3B-B4598

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    1,3,3-Trimethylindolinonaphthospirooxazine
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    1,3,3-Trimethylindolinonaphthospirooxazine

    CAS: 27333-47-7
    Formula:
    C22H20N2O
    Purity:
    >98.0%(T)(HPLC)
    Color and Shape:
    White to Orange to Green powder to crystal
    Molecular weight:
    328.42

    Ref: 3B-T1259

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    1,3,3-Trimethylindolinobenzopyrylospiran
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    1,3,3-Trimethylindolinobenzopyrylospiran

    CAS: 1485-92-3
    Formula:
    C19H19NO
    Purity:
    >98.0%(T)(HPLC)
    Color and Shape:
    White to Light yellow powder to crystal
    Molecular weight:
    277.37

    Ref: 3B-T0344

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    1,2-Bis[2-methylbenzo[b]thiophen-3-yl]-3,3,4,4,5,5-hexafluoro-1-cyclopentene
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    1,2-Bis[2-methylbenzo[b]thiophen-3-yl]-3,3,4,4,5,5-hexafluoro-1-cyclopentene

    CAS: 137814-07-4
    Formula:
    C23H14F6S2
    Purity:
    >97.0%(GC)
    Color and Shape:
    White to Light yellow powder to crystal
    Molecular weight:
    468.48

    Ref: 3B-B2287

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    1,3,3-Trimethylindolino-6'-bromobenzopyrylospiran
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    1,3,3-Trimethylindolino-6'-bromobenzopyrylospiran

    CAS: 16650-14-9
    Formula:
    C19H18BrNO
    Purity:
    >98.0%(T)(HPLC)
    Color and Shape:
    White to Light yellow to Light orange powder to crystal
    Molecular weight:
    356.26

    Ref: 3B-T0370

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    1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran
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    1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran

    CAS: 1498-88-0
    Formula:
    C19H18N2O3
    Purity:
    >98.0%(T)(HPLC)
    Color and Shape:
    Light yellow to Yellow to Green powder to crystal
    Molecular weight:
    322.36

    Ref: 3B-T0366

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    Estimated delivery in United States, on Friday 18 Jun 2021
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