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Other Stains & Dyes

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  • 2,3,5-Triphenyl-2H-tetrazolium chloride

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Tetrazolium red
    Hazmat
    Catalog Number:
    01646
    CAS Number:
    298-96-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00011963
    Molecular Formula:
    C19H15N4Cl
    Molecular Weight:
    0
    Specification Sheet SDS

  • Lacmoid

    Synonym:
    Resorcinol blue
    Catalog Number:
    37393
    CAS Number:
    33869-21-5
    MDL NO:
    MFCD00005035
    Molecular Formula:
    C24H16N2O6
    Molecular Weight:
    428.39
    Specification Sheet SDS

  • Resorcinol

    Hazmat
    Grade:
    ACS reagent
    Purity:
    99.0 - 100.5% (Assay by titration)
    Synonym:
    1,3-Benzenediol
    Hazmat
    Catalog Number:
    30180
    Grade:
    ACS reagent
    CAS Number:
    108-46-3
    Purity Limit:
    99.0 - 100.5% (Assay by titration)
    MDL NO:
    MFCD00002269
    Molecular Formula:
    C6H4(OH)2
    Molecular Weight:
    0
    Specification Sheet SDS

  • Carminic acid

    Purity:
    ≥ 95% (Dye content)
    Synonym:
    Natural red 4
    Catalog Number:
    32122
    CAS Number:
    1260-17-9
    Purity Limit:
    ≥ 95% (Dye content)
    MDL NO:
    MFCD00167028
    Molecular Formula:
    C22H20O13
    Molecular Weight:
    492.39
    Specification Sheet SDS

  • Fluorescein sodium

    Purity:
    ≥ 95% (Dye content)
    Synonym:
    Acid Yellow 73
    Catalog Number:
    22949
    CAS Number:
    518-47-8
    Purity Limit:
    ≥ 95% (Dye content)
    MDL NO:
    MFCD00167039
    Molecular Formula:
    C20H10O5·2Na
    Molecular Weight:
    376.27
    Specification Sheet SDS

  • Carmine (Alum lake)

    Grade:
    Certifiable Grade
    Purity:
    50 - 55% (Dye content)
    Catalog Number:
    22954
    Grade:
    Certifiable Grade
    CAS Number:
    1390-65-4
    Purity Limit:
    50 - 55% (Dye content)
    MDL NO:
    MFCD00167027
    Molecular Formula:
    C22H20O13
    Molecular Weight:
    492.39
    Specification Sheet SDS

  • Janus Green B

    Grade:
    Certifiable Grade
    Purity:
    ≥ 88% (Dye content)
    Synonym:
    CI 11050
    Catalog Number:
    22858
    Grade:
    Certifiable Grade
    CAS Number:
    2869-83-2
    Purity Limit:
    ≥ 88% (Dye content)
    MDL NO:
    MFCD00011758
    Molecular Formula:
    C30H31N6Cl
    Molecular Weight:
    511.07
    Specification Sheet SDS

  • Thymolphthalein complexone

    Purity:
    ≥ 90% (UV)
    Synonym:
    3',3''-Bis[N,N-di(carboxymethyl)aminomethyl]thymolphthalein
    Catalog Number:
    22776
    CAS Number:
    1913-93-5
    Purity Limit:
    ≥ 90% (UV)
    MDL NO:
    MFCD00001619
    Molecular Formula:
    C38H44N2O12
    Molecular Weight:
    720.77
    Specification Sheet SDS

  • o-Dianisidine

    Hazmat
    Purity:
    ≥ 99%
    Synonym:
    3,3'-Dimethoxybenzidine
    Hazmat
    Catalog Number:
    01936
    CAS Number:
    119-90-4
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00008372
    Molecular Formula:
    C14H16N2O2
    Molecular Weight:
    0
    Specification Sheet SDS

  • Resazurin sodium salt

    Purity:
    ≥ 90% (HPLC)
    Synonym:
    7-Hydroxy-3H-phenoxazin-3-one-10-oxide sodium salt
    Catalog Number:
    01725
    CAS Number:
    62758-13-8
    Purity Limit:
    ≥ 90% (HPLC)
    MDL NO:
    MFCD00005036
    Molecular Formula:
    C12H6NNaO4
    Molecular Weight:
    251.18
    Specification Sheet SDS

  • Orcein (synthetic)

    Synonym:
    Natural red 28
    Catalog Number:
    00592
    CAS Number:
    1400-62-0
    MDL NO:
    MFCD00062310
    Specification Sheet SDS

  • Hematoxylin Certified for Microscopy

    Purity:
    ≥ 75% (Dye content)
    Synonym:
    Natural black 1
    Catalog Number:
    00173
    CAS Number:
    517-28-2
    Purity Limit:
    ≥ 75% (Dye content)
    MDL NO:
    MFCD00078111
    Molecular Formula:
    C16H14O6
    Molecular Weight:
    302.29
    Specification Sheet SDS

  • Coumarin 343

    Purity:
    ≥ 98% (TLC)
    Synonym:
    2,3,6,7-Tetrahydro-11-oxo-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylicacid
    Catalog Number:
    38614
    CAS Number:
    55804-65-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00051335
    Molecular Formula:
    C16H15NO4
    Molecular Weight:
    285.3
    Specification Sheet SDS

  • Sunset yellow FCF

    Purity:
    ≥ 85% (Dye content, dried basis)
    Synonym:
    CI 15985
    Catalog Number:
    38560
    CAS Number:
    2783-94-0
    Purity Limit:
    ≥ 85% (Dye content, dried basis)
    MDL NO:
    MFCD00036437
    Molecular Formula:
    C16H10N2Na2O7S2
    Molecular Weight:
    452.36
    Specification Sheet SDS

  • Oxonol yellow K

    Synonym:
    4,4'-Methylidynebis[1-(4-sulfophenyl)-3-methyl-5-pyrazolone]dipotassium salt
    Catalog Number:
    38657
    CAS Number:
    82407-55-4
    MDL NO:
    MFCD02093486
    Molecular Formula:
    C21H16K2N4O8S2
    Molecular Weight:
    594.7
    Specification Sheet SDS

  • Laccaic acid from lacca

    Catalog Number:
    38623
    CAS Number:
    60687-93-6
    MDL NO:
    MFCD00071249
    Specification Sheet SDS

  • Leuco crystal violet

    Purity:
    ≥ 98% (Assay by titration , HPLC)
    Synonym:
    4,4',4''-Methylidynetris(N,N-dimethylaniline)
    Catalog Number:
    38620
    CAS Number:
    603-48-5
    Purity Limit:
    ≥ 98% (Assay by titration , HPLC)
    MDL NO:
    MFCD00008314
    Molecular Formula:
    C25H31N3
    Molecular Weight:
    373.54
    Specification Sheet SDS

  • Nuclear fast red

    Grade:
    CI 60760
    Synonym:
    Kernechtrot
    Catalog Number:
    38637
    Grade:
    CI 60760
    CAS Number:
    6409-77-4
    MDL NO:
    MFCD00078493
    Molecular Formula:
    C14H8NNaO7S
    Molecular Weight:
    357.27
    Specification Sheet SDS

  • 2-(3,6-Dihexyloxyxanthen-9-yl)benzoic acid

    Purity:
    ≥ 97% (Assay by titration , HPLC)
    Catalog Number:
    38679
    Purity Limit:
    ≥ 97% (Assay by titration , HPLC)
    Molecular Formula:
    C32H38O5
    Molecular Weight:
    502.65
    Specification Sheet SDS

  • Fluorescin [Reagent for oxydases and peroxydases]

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    38600
    CAS Number:
    518-44-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00046931
    Molecular Formula:
    C20H14O5
    Molecular Weight:
    334.33
    Specification Sheet SDS

  • 4-(8-Hydroxy-5-quinolylazo)-1-naphthalenesulfonic acid disodium salt

    Purity:
    ≥ 93% (Assay by titration)
    Synonym:
    Naphthazoxine disodium salt
    Catalog Number:
    38682
    Purity Limit:
    ≥ 93% (Assay by titration)
    MDL NO:
    MFCD02183483
    Molecular Formula:
    C19H11N3Na2O4S
    Molecular Weight:
    423.35
    Specification Sheet SDS

  • Boraxcarmine powder

    Catalog Number:
    38673
    MDL NO:
    MFCD01310220
    Specification Sheet SDS

  • Filter blue green sodium salt

    Catalog Number:
    38675
    Molecular Formula:
    C30H24FeN6Na3O18S6
    Molecular Weight:
    1073.72
    Specification Sheet SDS

  • Acetocarmine solution acc. to kultschitzky

    Catalog Number:
    38672
    MDL NO:
    MFCD00197815
    Specification Sheet SDS

  • Janus blue

    Catalog Number:
    38678
    MDL NO:
    MFCD00011924
    Specification Sheet SDS

  • Fisetin

    Grade:
    CI 75620
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,7,3',4'-Tetrahydroxyflavone
    Catalog Number:
    38609
    Grade:
    CI 75620
    CAS Number:
    528-48-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006829
    Molecular Formula:
    C15H10O6
    Molecular Weight:
    286.24
    Specification Sheet SDS

  • Omega chrome black blue G

    Grade:
    CI 18160
    Synonym:
    Eriochrome grey SGL
    Catalog Number:
    38639
    Grade:
    CI 18160
    CAS Number:
    6441-96-9
    MDL NO:
    MFCD00059525
    Molecular Formula:
    C18H13ClN3NaO6S
    Molecular Weight:
    457.82
    Specification Sheet SDS

  • 2'-Anilino-6'-(dibutylamino)-3'-methylfluoran

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    ODB 2
    Catalog Number:
    38664
    CAS Number:
    89331-94-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00307579
    Molecular Formula:
    C35H36N2O3
    Molecular Weight:
    532.68
    Specification Sheet SDS

  • Safflower yellow

    Catalog Number:
    38677
    MDL NO:
    MFCD00151135
    Specification Sheet SDS

  • 2,3-Dihydro-1,1,3-trimethyl-2-methylene-1H-benzo[e]indole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    38569
    CAS Number:
    344928-74-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30749259
    Molecular Formula:
    C16H17N
    Molecular Weight:
    223.32
    Specification Sheet SDS

  • Phenolphthalein disulfate potassium salt hydrate

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    38628
    CAS Number:
    62625-16-5
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00070538
    Molecular Formula:
    C20H13K3O11S2·xH2O
    Molecular Weight:
    610.73
    Specification Sheet SDS

  • Disodium 1-(dimethylphenylazo)-2-naphthol-3,6-disulfonate

    Synonym:
    1-(Dimethylphenylazo)-2-naphthol-3,6-disulfonic acid disodiumsalt
    Catalog Number:
    38681
    MDL NO:
    MFCD00036432
    Specification Sheet SDS

  • Quercetin hydrate

    Hazmat
    Grade:
    CI 75670
    Purity:
    ≥ 96% (HPLC)
    Synonym:
    3,3',4',5,7-Pentahydroxyflavone hydrate
    Hazmat
    Catalog Number:
    38662
    Grade:
    CI 75670
    CAS Number:
    849061-97-8
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00006828
    Molecular Formula:
    C15H10O7·xH2O
    Molecular Weight:
    0
    Specification Sheet SDS

  • Bromocresol green - methyl red solution [Mixed indicator for neutralization titration]

    Hazmat
    Synonym:
    Methyl red - bromocresol green solution
    Hazmat
    Catalog Number:
    38680
    MDL NO:
    MFCD00134126
    Molecular Weight:
    0
    Specification Sheet SDS

  • Lithioncarmine (powder)

    Catalog Number:
    38676
    MDL NO:
    MFCD00466862
    Specification Sheet SDS

  • INT formazan

    Synonym:
    1-(4-Iodophenyl)-5-(4-nitrophenyl)-3-phenylformazan
    Catalog Number:
    38646
    CAS Number:
    7781-49-9
    MDL NO:
    MFCD00007300
    Molecular Formula:
    C19H14IN5O2
    Molecular Weight:
    471.26
    Specification Sheet SDS

  • 1,3,5-Triphenylformazan

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    Tetrazole red formazan
    Catalog Number:
    38610
    CAS Number:
    531-52-2
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00020647
    Molecular Formula:
    C19H16N4
    Molecular Weight:
    300.37
    Specification Sheet SDS

  • Beryllon II

    Synonym:
    8-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)-1-naphthol-3,6-disulfonicacid tetrasodium salt
    Catalog Number:
    38598
    CAS Number:
    51550-25-5
    MDL NO:
    MFCD00046409
    Molecular Formula:
    C20H10N2Na4O15S4
    Molecular Weight:
    738.5
    Specification Sheet SDS

  • Arsenazo I trisodium salt

    Hazmat
    Purity:
    ≥ 90% (Assay by titration)
    Synonym:
    2-Arsonophenylazochromotropic acid trisodium salt
    Hazmat
    Catalog Number:
    38641
    CAS Number:
    66019-20-3
    Purity Limit:
    ≥ 90% (Assay by titration)
    MDL NO:
    MFCD00003937
    Molecular Formula:
    C16H10AsN2Na3O11S2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 5-Nitrofluorescein (isomer I)

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    5-Nitro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one(isomer I)
    Catalog Number:
    38567
    CAS Number:
    3326-35-0
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00135108
    Molecular Formula:
    C20H11NO7
    Molecular Weight:
    377.31
    Specification Sheet SDS

  • Gallion

    Synonym:
    8-Amino-2-(3-chloro-2-hydroxy-5-nitrophenylazo)-1-naphthol-3,6-disulfonicacid
    Catalog Number:
    38585
    CAS Number:
    3769-62-8
    MDL NO:
    MFCD00021475
    Molecular Formula:
    C16H11ClN4O10S2
    Molecular Weight:
    518.85
    Specification Sheet SDS

  • 2'-(Dibenzylamino)-6'-(diethylamino)fluoran

    Purity:
    ≥ 98% (Assay by titration , HPLC)
    Catalog Number:
    38568
    CAS Number:
    34372-72-0
    Purity Limit:
    ≥ 98% (Assay by titration , HPLC)
    Molecular Formula:
    C38H34N2O3
    Molecular Weight:
    566.7
    Specification Sheet SDS

  • Phenolphthalein disodium salt (Water soluble)

    Catalog Number:
    38601
    CAS Number:
    518-51-4
    MDL NO:
    MFCD00051414
    Molecular Formula:
    C20H12Na2O4
    Molecular Weight:
    362.29
    Specification Sheet SDS

  • Alizarin complexone

    Purity:
    ≥ 80% (Assay by titration)
    Synonym:
    Alizarin-3-methylimino-N,N-diacetic acid
    Catalog Number:
    38588
    CAS Number:
    3952-78-1
    Purity Limit:
    ≥ 80% (Assay by titration)
    MDL NO:
    MFCD00001202
    Molecular Formula:
    C19H15NO8
    Molecular Weight:
    385.33
    Specification Sheet SDS

  • 3',3'',5',5''-Tetraiodophenolphthalein

    Purity:
    ≥ 95% (Assay by titration , HPLC)
    Synonym:
    Iodophene
    Catalog Number:
    38587
    CAS Number:
    386-17-4
    Purity Limit:
    ≥ 95% (Assay by titration , HPLC)
    MDL NO:
    MFCD00001614
    Molecular Formula:
    C20H10I4O4
    Molecular Weight:
    821.91
    Specification Sheet SDS

  • 3',6'-Bis(diethylamino)-2-(4-nitrophenyl)spiro[isoindole-1,9'-xanthene]-3-one

    Purity:
    ≥ 98% (N)
    Catalog Number:
    38565
    CAS Number:
    29199-09-5
    Purity Limit:
    ≥ 98% (N)
    Molecular Formula:
    C34H34N4O4
    Molecular Weight:
    562.67
    Specification Sheet SDS

  • Indigotetrasulfonic acid tetrapotassium salt hydrate

    Grade:
    CI 73020
    Purity:
    ≥ 90% (HPLC)
    Synonym:
    Tetrapotassium indigotetrasulfonate hydrate
    Catalog Number:
    38564
    Grade:
    CI 73020
    CAS Number:
    28699-96-9
    Purity Limit:
    ≥ 90% (HPLC)
    MDL NO:
    MFCD00059886
    Molecular Formula:
    C16H6K4N2O14S4·xH2O
    Molecular Weight:
    734.86
    Specification Sheet SDS

  • 4,4'-Bis(5-methyl-2-benzoxazolyl)stilbene

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    38548
    CAS Number:
    2397-00-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191316
    Molecular Formula:
    C30H22N2O2
    Molecular Weight:
    442.52
    Specification Sheet SDS

  • H-Resorcinol [Spectrophotometric reagent for the determination of B by FIA]

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    1-(2,4-Dihydroxy-1-phenylazo)-8-hydroxynaphthalene-3,6-disulfonicacid disodium salt
    Catalog Number:
    38580
    CAS Number:
    3627-01-8
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00059024
    Molecular Formula:
    C16H10N2Na2O9S2
    Molecular Weight:
    484.36
    Specification Sheet SDS

  • Chrome pure blue BX

    Grade:
    CI 43830
    Synonym:
    Eriochrome azurol B
    Catalog Number:
    38535
    Grade:
    CI 43830
    CAS Number:
    1796-92-5
    MDL NO:
    MFCD00036446
    Molecular Formula:
    C23H14Cl2Na2O6
    Molecular Weight:
    503.24
    Specification Sheet SDS
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