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Acid Dyes

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  • Acid Green 25

    Purity:
    ≥ 96% (Dye content)
    Synonym:
    Alizarian Cyamine Green B
    Catalog Number:
    22769
    Purity Limit:
    ≥ 96% (Dye content)
    CAS Number:
    4403-90-1
    MDL NO:
    MFCD00001193
    Molecular Formula:
    C28H20N2Na2O8S2
    Molecular Weight:
    622.58
    Specification Sheet SDS

  • Rose Bengal

    Purity:
    ≥ 90% (Dye content)
    Synonym:
    4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein disodiumsalt
    Catalog Number:
    21920
    Purity Limit:
    ≥ 90% (Dye content)
    CAS Number:
    632-69-9
    MDL NO:
    MFCD00151169
    Molecular Formula:
    C20H2Cl4I4Na2O5
    Molecular Weight:
    1017.62
    Specification Sheet SDS

  • Eosin Y disodium salt

    Grade:
    Certifiable Grade
    Purity:
    ≥ 88% (Dye content)
    Synonym:
    Eosin yellowish
    Catalog Number:
    01834
    Grade:
    Certifiable Grade
    Purity Limit:
    ≥ 88% (Dye content)
    CAS Number:
    17372-87-1
    MDL NO:
    MFCD00005040
    Molecular Formula:
    C20H6Br4O5Na2
    Molecular Weight:
    691.88
    Specification Sheet SDS

  • Light green SF yellowish

    Purity:
    ≥ 80% (Dye content)
    Synonym:
    Acid green 5
    Catalog Number:
    01610
    Purity Limit:
    ≥ 80% (Dye content)
    CAS Number:
    5141-20-8
    MDL NO:
    MFCD00012121
    Molecular Formula:
    C37H34N2O9S3Na2
    Molecular Weight:
    792.88
    Specification Sheet SDS

  • Acid fuchsin sodium salt, Certified

    Grade:
    Certifiable Grade
    Purity:
    ≥ 90%
    Synonym:
    Acid violet 19
    Catalog Number:
    01606
    Grade:
    Certifiable Grade
    Purity Limit:
    ≥ 90%
    CAS Number:
    3244-88-0
    MDL NO:
    MFCD00013286
    Molecular Formula:
    C20H17N3O9S3Na2
    Molecular Weight:
    585.5
    Specification Sheet SDS

  • Nigrosine (Water soluble)

    Purity:
    ≥ 99.5% (Assay)
    Synonym:
    Acid Black 2
    Catalog Number:
    01426
    Purity Limit:
    ≥ 99.5% (Assay)
    CAS Number:
    8005-03-6
    MDL NO:
    MFCD00044681
    Specification Sheet SDS

  • Brilliant blue G-250

    Purity:
    ≥ 85% (Dye content)
    Synonym:
    Coomassie brilliant blue G
    Catalog Number:
    01306
    Purity Limit:
    ≥ 85% (Dye content)
    CAS Number:
    6104-58-1
    MDL NO:
    MFCD00078482
    Molecular Formula:
    C47H48N3O7S2Na
    Molecular Weight:
    854.0
    Specification Sheet SDS

  • Naphthol blue black

    Purity:
    ≥ 84% (dye content)
    Synonym:
    CI 20470
    Catalog Number:
    01272
    Purity Limit:
    ≥ 84% (dye content)
    CAS Number:
    1064-48-8
    MDL NO:
    MFCD00004017
    Molecular Formula:
    C22H14N6O9S2Na2
    Molecular Weight:
    616.5
    Specification Sheet SDS

  • Brilliant blue R-250

    Purity:
    ≥ 91% (Dye content)
    Synonym:
    Brilliant blue R
    Catalog Number:
    01275
    Purity Limit:
    ≥ 91% (Dye content)
    CAS Number:
    6104-59-2
    MDL NO:
    MFCD00041762
    Molecular Formula:
    C45H44N3O7S2Na
    Molecular Weight:
    826.0
    Specification Sheet SDS

  • Xylene cyanole FF

    Purity:
    ≥ 75% (Dye content)
    Synonym:
    Acid blue 147
    Catalog Number:
    01310
    Purity Limit:
    ≥ 75% (Dye content)
    CAS Number:
    2650-17-1
    MDL NO:
    MFCD00040657
    Molecular Formula:
    C25H27N2O6S2Na
    Molecular Weight:
    538.62
    Specification Sheet SDS

  • Methyl orange

    Hazmat
    Grade:
    ACS reagent
    Synonym:
    4-[4-(Dimethylamino)-phenylazo]benzenesulfonic acid sodium salt
    Hazmat
    Catalog Number:
    01239
    Grade:
    ACS reagent
    CAS Number:
    547-58-0
    MDL NO:
    MFCD00007502
    Molecular Formula:
    C14H14N3O3SNa
    Molecular Weight:
    327.3
    Specification Sheet SDS

  • Fluorescein

    Purity:
    99 - 100% (Dye content)
    Synonym:
    CI 45350
    Catalog Number:
    00962
    Purity Limit:
    99 - 100% (Dye content)
    CAS Number:
    2321-07-5
    MDL NO:
    MFCD00005050
    Molecular Formula:
    C20H12O5
    Molecular Weight:
    332.31
    Specification Sheet SDS

  • Phloxine B

    Grade:
    Certifiable Grade
    Purity:
    ≥ 92.5% (Dye content)
    Synonym:
    Cyanosine
    Catalog Number:
    00803
    Grade:
    Certifiable Grade
    Purity Limit:
    ≥ 92.5% (Dye content)
    CAS Number:
    18472-87-2
    MDL NO:
    MFCD00070627
    Molecular Formula:
    C20H2Br4Cl4O5Na2
    Molecular Weight:
    829.6
    Specification Sheet SDS

  • Chromotrope 2R

    Purity:
    ≥ 77% (Dye content: Spectrophotometry)
    Synonym:
    Acid red 29
    Catalog Number:
    00589
    Purity Limit:
    ≥ 77% (Dye content: Spectrophotometry)
    CAS Number:
    4197-07-3
    MDL NO:
    MFCD00003955
    Molecular Formula:
    C16H10N2Na2O8S2
    Molecular Weight:
    468.37
    Specification Sheet SDS

  • 3-Hydroxy-4[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt

    Purity:
    ≥ 85% (Dye content)
    Synonym:
    Ponceau S
    Catalog Number:
    00249
    Purity Limit:
    ≥ 85% (Dye content)
    CAS Number:
    6226-79-5
    MDL NO:
    MFCD00003892
    Molecular Formula:
    C22H12N4O13S4Na4
    Molecular Weight:
    760.6
    Specification Sheet SDS
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