Discover the new Chem-Impex: Where innovation starts with a bond.

Acid Dyes

65
Filters

  • Indigo Carmine

    Grade:
    Certifiable Grade
    Purity:
    ≥ 95% (Dye content)
    Synonym:
    Acid Blue 74
    Catalog Number:
    22821
    Grade:
    Certifiable Grade
    CAS Number:
    860-22-0
    Purity Limit:
    ≥ 95% (Dye content)
    MDL NO:
    MFCD00005723
    Molecular Formula:
    C16H8N2O8S2·2Na
    Molecular Weight:
    466.36
    Specification Sheet SDS

  • New Coccine

    Purity:
    ≥ 80% (Dye content)
    Synonym:
    Acid Red 18
    Catalog Number:
    22812
    CAS Number:
    2611-82-7
    Purity Limit:
    ≥ 80% (Dye content)
    MDL NO:
    MFCD00004084
    Molecular Formula:
    C20H11N2Na3O10S3
    Molecular Weight:
    604.48
    Specification Sheet SDS

  • Crocein Orange G

    Purity:
    ≥ 89% (Dye content)
    Synonym:
    Acid Orange 12
    Catalog Number:
    22800
    CAS Number:
    1934-20-9
    Purity Limit:
    ≥ 89% (Dye content)
    MDL NO:
    MFCD00003912
    Molecular Formula:
    C16H11N2O4SNa
    Molecular Weight:
    350.33
    Specification Sheet SDS

  • Naphthol Green B

    Grade:
    ACS reagent
    Synonym:
    Acid Green 1
    Catalog Number:
    22792
    Grade:
    ACS reagent
    CAS Number:
    19381-50-1
    MDL NO:
    MFCD00003886
    Molecular Formula:
    C30H15FeN3O15S3·3Na
    Molecular Weight:
    878.47
    Specification Sheet SDS

  • Methyl Red free acid

    Purity:
    ≥ 96% (Dye content)
    Synonym:
    4-Dimethylaminoazobenzene-2'-carboxylic acid
    Catalog Number:
    22782
    CAS Number:
    493-52-7
    Purity Limit:
    ≥ 96% (Dye content)
    MDL NO:
    MFCD00002425
    Molecular Formula:
    C15H15N3O2
    Molecular Weight:
    269.3
    Specification Sheet SDS

  • Light green SF yellowish

    Purity:
    ≥ 80% (Dye content)
    Synonym:
    Acid green 5
    Catalog Number:
    01610
    CAS Number:
    5141-20-8
    Purity Limit:
    ≥ 80% (Dye content)
    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
    CAS Number:
    3244-88-0
    Purity Limit:
    ≥ 90%
    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
    CAS Number:
    8005-03-6
    Purity Limit:
    ≥ 99.5% (Assay)
    MDL NO:
    MFCD00044681
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Brilliant blue G-250

    Purity:
    ≥ 85% (Dye content)
    Synonym:
    Coomassie brilliant blue G
    Catalog Number:
    01306
    CAS Number:
    6104-58-1
    Purity Limit:
    ≥ 85% (Dye content)
    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
    CAS Number:
    1064-48-8
    Purity Limit:
    ≥ 84% (dye content)
    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
    CAS Number:
    6104-59-2
    Purity Limit:
    ≥ 91% (Dye content)
    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
    CAS Number:
    2650-17-1
    Purity Limit:
    ≥ 75% (Dye content)
    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

  • Chromotrope 2R

    Purity:
    ≥ 77% (Dye content: Spectrophotometry)
    Synonym:
    Acid red 29
    Catalog Number:
    00589
    CAS Number:
    4197-07-3
    Purity Limit:
    ≥ 77% (Dye content: Spectrophotometry)
    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
    CAS Number:
    6226-79-5
    Purity Limit:
    ≥ 85% (Dye content)
    MDL NO:
    MFCD00003892
    Molecular Formula:
    C22H12N4O13S4Na4
    Molecular Weight:
    760.6
    Specification Sheet SDS
Back to top