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Stains & Dyes

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  • Direct blue 6

    Grade:
    CI 22610
    Purity:
    ≥ 75%
    Synonym:
    Benzo blue 2B
    Catalog Number:
    38556
    Grade:
    CI 22610
    Purity Limit:
    ≥ 75%
    CAS Number:
    2602-46-2
    MDL NO:
    MFCD00068426
    Molecular Formula:
    C32H20N6Na4O14S4
    Molecular Weight:
    932.74
  • TNBT diformazan

    Hazmat
    Synonym:
    1,1'-(3,3'-Dimethoxy-4,4'-diphenylene)bis-3,5-di(p-nitrophenyl)diformazan
    Hazmat
    Catalog Number:
    38538
    CAS Number:
    19333-63-2
    MDL NO:
    MFCD00059831
    Molecular Formula:
    C40H30N12O10
    Molecular Weight:
    838.75
  • Catalog Number:
    38537
    Grade:
    CI 16105
    CAS Number:
    1836-22-2
    MDL NO:
    MFCD00046379
    Molecular Formula:
    C17H9N2Na3O9S2
    Molecular Weight:
    518.35
  • Disperse blue 14

    Grade:
    CI 61500
    Synonym:
    1,4-Bis(methylamino)anthraquinone
    Catalog Number:
    38551
    Grade:
    CI 61500
    CAS Number:
    2475-44-7
    MDL NO:
    MFCD00001198
    Molecular Formula:
    C16H14N2O2
    Molecular Weight:
    266.3
  • 6-Nitrofluorescein (isomer II)

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    6-Nitro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one(isomer II)
    Catalog Number:
    38559
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    27402-68-2
    MDL NO:
    MFCD00059694
    Molecular Formula:
    C20H11NO7
    Molecular Weight:
    377.31
  • Direct blue 2

    Grade:
    CI 22590
    Synonym:
    Diazo black BHN
    Catalog Number:
    38549
    Grade:
    CI 22590
    CAS Number:
    2429-73-4
    MDL NO:
    MFCD00059132
    Molecular Formula:
    C32H21N6Na3O11S3
    Molecular Weight:
    830.7
  • Oil orange SS

    Grade:
    CI 12100
    Synonym:
    Solvent orange 2
    Catalog Number:
    38558
    Grade:
    CI 12100
    CAS Number:
    2646-17-5
    MDL NO:
    MFCD00059523
    Molecular Formula:
    C17H14N2O
    Molecular Weight:
    262.31
  • 4-(Diethylamino)azobenzene

    Grade:
    CI 11021
    Purity:
    ≥ 97% (Assay by titration , HPLC)
    Synonym:
    Solvent yellow 56
    Catalog Number:
    38552
    Grade:
    CI 11021
    Purity Limit:
    ≥ 97% (Assay by titration , HPLC)
    CAS Number:
    2481-94-9
    MDL NO:
    MFCD00009043
    Molecular Formula:
    C16H19N3
    Molecular Weight:
    253.35
  • Basic blue 1

    Grade:
    CI 42025
    Purity:
    ≥ 90% (HPLC)
    Synonym:
    Primocyanine 6GX
    Catalog Number:
    38574
    Grade:
    CI 42025
    Purity Limit:
    ≥ 90% (HPLC)
    CAS Number:
    3521-06-0
    MDL NO:
    MFCD00050260
    Molecular Formula:
    C23H24Cl2N2
    Molecular Weight:
    399.36
  • Catalog Number:
    38555
    CAS Number:
    25910-85-4
    MDL NO:
    MFCD00011967
    Molecular Formula:
    C21H22N2O7S
    Molecular Weight:
    446.47
  • Pyrazolone orange

    Grade:
    CI 21110
    Synonym:
    Pigment orange 13
    Catalog Number:
    38573
    Grade:
    CI 21110
    CAS Number:
    3520-72-7
    MDL NO:
    MFCD00059727
    Molecular Formula:
    C32H24Cl2N8O2
    Molecular Weight:
    623.5
  • Oralith brilliant pink R

    Grade:
    CI 73360
    Purity:
    ≥ 95%
    Synonym:
    Threne brilliant pink R
    Catalog Number:
    38545
    Grade:
    CI 73360
    Purity Limit:
    ≥ 95%
    CAS Number:
    2379-74-0
    MDL NO:
    MFCD00059165
    Molecular Formula:
    C18H10Cl2O2S2
    Molecular Weight:
    393.3
  • Acid red 88

    Grade:
    CI 15620
    Synonym:
    Echt rot
    Catalog Number:
    38533
    Grade:
    CI 15620
    CAS Number:
    1658-56-6
    MDL NO:
    MFCD00004070
    Molecular Formula:
    C20H13N2NaO4S
    Molecular Weight:
    400.38
  • 4,5,6,7-Tetrabromophenolphthalein

    Purity:
    ≥ 80% (Assay by titration)
    Catalog Number:
    38521
    Purity Limit:
    ≥ 80% (Assay by titration)
    CAS Number:
    13027-28-6
    MDL NO:
    MFCD00047314
    Molecular Formula:
    C20H10Br4O4
    Molecular Weight:
    633.91
  • Copper(II) phthalocyanine (b-form)

    Grade:
    CI 74160
    Purity:
    ≥ 93% (Assay by titration)
    Synonym:
    Phthalocyanine copper(II) (b-form)
    Catalog Number:
    38531
    Grade:
    CI 74160
    Purity Limit:
    ≥ 93% (Assay by titration)
    CAS Number:
    147-14-8
    MDL NO:
    MFCD00010719
    Molecular Formula:
    C32H16CuN8
    Molecular Weight:
    576.08
  • Xylenol orange

    Synonym:
    3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonphthaleindisodium salt
    Catalog Number:
    38511
    CAS Number:
    1202864-39-8
    Molecular Formula:
    C31H30N2Na2O13S
    Molecular Weight:
    716.62
  • 6'-(Diethylamino)-1',3'-dimethylfluoran

    Purity:
    ≥ 98% (Assay by titration , HPLC)
    Catalog Number:
    38543
    Purity Limit:
    ≥ 98% (Assay by titration , HPLC)
    CAS Number:
    21934-68-9
    MDL NO:
    MFCD08276349
    Molecular Formula:
    C26H25NO3
    Molecular Weight:
    399.49
  • Acid red 13

    Grade:
    CI 16045
    Synonym:
    Fast red E
    Catalog Number:
    38544
    Grade:
    CI 16045
    CAS Number:
    2302-96-7
    MDL NO:
    MFCD00191366
    Molecular Formula:
    C20H12N2Na2O7S2
    Molecular Weight:
    502.42
  • Pigment red 4

    Grade:
    CI 12085
    Synonym:
    Permanent red 2B
    Catalog Number:
    38562
    Grade:
    CI 12085
    CAS Number:
    2814-77-9
    MDL NO:
    MFCD00059095
    Molecular Formula:
    C16H10ClN3O3
    Molecular Weight:
    327.72
  • 2-(3,6-Dihexyloxyxanthen-9-yl)benzamide

    Purity:
    ≥ 97% (HPLC , N)
    Catalog Number:
    38536
    Purity Limit:
    ≥ 97% (HPLC , N)
    CAS Number:
    1820618-83-4
    Molecular Formula:
    C32H39NO4
    Molecular Weight:
    501.67
  • Chlorazol black E

    Grade:
    CI 30235
    Synonym:
    Direct black 38
    Catalog Number:
    38539
    Grade:
    CI 30235
    CAS Number:
    1937-37-7
    MDL NO:
    MFCD00066363
    Molecular Formula:
    C34H25N9Na2O7S2
    Molecular Weight:
    781.73
  • Catalog Number:
    38546
    Purity Limit:
    ≥ 95% (HPLC)
    CAS Number:
    2382-56-1
    MDL NO:
    MFCD28386115
    Molecular Formula:
    C20H13Na5O11P2·xH2O
    Molecular Weight:
    606.21
  • Gallein

    Grade:
    CI 45445
    Purity:
    ≥ 85% (HPLC)
    Synonym:
    Alizarin violet
    Catalog Number:
    38541
    Grade:
    CI 45445
    Purity Limit:
    ≥ 85% (HPLC)
    CAS Number:
    2103-64-2
    MDL NO:
    MFCD00041839
    Molecular Formula:
    C20H12O7
    Molecular Weight:
    364.31
  • Acid violet 3

    Grade:
    CI 16580
    Synonym:
    3-(4-Aminophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic aciddisodium salt
    Catalog Number:
    38534
    Grade:
    CI 16580
    CAS Number:
    1681-60-3
    MDL NO:
    MFCD00049380
    Molecular Formula:
    C16H11N3Na2O8S2
    Molecular Weight:
    483.38
  • Neo-tetrazolium diformazan

    Synonym:
    Tetrazolium neo, diformazan
    Catalog Number:
    38542
    CAS Number:
    21520-87-6
    MDL NO:
    MFCD00059009
    Molecular Formula:
    C38H30N8
    Molecular Weight:
    598.71
  • m-Methyl red

    Synonym:
    4-Dimethylaminoazobenzene-3'-carboxylic acid
    Catalog Number:
    38540
    CAS Number:
    20691-84-3
    MDL NO:
    MFCD00059641
    Molecular Formula:
    C15H15N3O2
    Molecular Weight:
    269.3
  • 3,4,9,10-Perylenetetracarboxylic dianhydride

    Grade:
    CI 71127
    Purity:
    ≥ 98% (Assay)
    Synonym:
    Pigment red 224
    Catalog Number:
    38517
    Grade:
    CI 71127
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    128-69-8
    MDL NO:
    MFCD00006916
    Molecular Formula:
    C24H8O6
    Molecular Weight:
    392.32
  • Basic violet 8

    Grade:
    CI 50210
    Catalog Number:
    38648
    Grade:
    CI 50210
    CAS Number:
    8004-94-2
    Molecular Formula:
    C20H19N4 · Cl
    Molecular Weight:
    350.85
  • Pigment red 64 (Calcium salt)

    Grade:
    CI 15800
    Synonym:
    Brilliant lake red R (Calcium salt)
    Catalog Number:
    38631
    Grade:
    CI 15800
    CAS Number:
    6371-76-2
    MDL NO:
    MFCD00059533
    Molecular Weight:
    0.0
  • Xylene fast yellow 2G

    Grade:
    CI 18965
    Synonym:
    Acid fast yellow G
    Catalog Number:
    38629
    Grade:
    CI 18965
    CAS Number:
    6359-98-4
    MDL NO:
    MFCD00053367
    Molecular Formula:
    C16H10Cl2N4Na2O7S2
    Molecular Weight:
    551.28
  • 3,4,9,10-Perylenetetracarboxylic dianhydride (purified by sublimation)

    Grade:
    CI 71127
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Pigment red 224 (purified by sublimation)
    Catalog Number:
    38518
    Grade:
    CI 71127
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    128-69-8
    MDL NO:
    MFCD00006916
    Molecular Formula:
    C24H8O6
    Molecular Weight:
    392.32
  • Acid red 60

    Grade:
    CI 16645
    Synonym:
    Chromotrope 8B
    Catalog Number:
    38619
    Grade:
    CI 16645
    CAS Number:
    5850-64-6
    MDL NO:
    MFCD00046410
    Molecular Formula:
    C20H10N2Na3O11S3
    Molecular Weight:
    619.45
  • Catalog Number:
    38512
    CAS Number:
    12220-28-9
    Molecular Formula:
    C35H29N2NaO7S2
    Molecular Weight:
    676.73
  • Alizarin astrol

    Grade:
    CI 61530
    Catalog Number:
    38635
    Grade:
    CI 61530
    MDL NO:
    MFCD00058945
    Molecular Formula:
    C22H17N2NaO5S
    Molecular Weight:
    444.44
  • 4-Phenylazo-1-naphthylamine

    Grade:
    CI 11350
    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    Naphthyl red
    Catalog Number:
    38522
    Grade:
    CI 11350
    Purity Limit:
    ≥ 95% (Assay by titration)
    CAS Number:
    131-22-6
    MDL NO:
    MFCD00004025
    Molecular Formula:
    C16H13N3
    Molecular Weight:
    247.3
  • Coriphosphine O

    Grade:
    CI 46020
    Synonym:
    Basic yellow 7
    Catalog Number:
    38611
    Grade:
    CI 46020
    CAS Number:
    5409-37-0
    MDL NO:
    MFCD00050595
    Molecular Formula:
    C16H18ClN3
    Molecular Weight:
    287.79
  • Leuco malachite green

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4,4'-Benzylidenebis(N,N-dimethylaniline)
    Catalog Number:
    38520
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    129-73-7
    MDL NO:
    MFCD00008315
    Molecular Formula:
    C23H26N2
    Molecular Weight:
    330.48
  • Methylene blue hydrate

    Grade:
    CI 52015
    Purity:
    ≥ 70% (Gravimetric Assay)
    Synonym:
    3,7-Bis(dimethylamino)-5-phenothiazinium chloride hydrate
    Catalog Number:
    38514
    Grade:
    CI 52015
    Purity Limit:
    ≥ 70% (Gravimetric Assay)
    CAS Number:
    122965-43-9
    MDL NO:
    MFCD00012111
    Molecular Formula:
    C16H18ClN3S·xH2O
    Molecular Weight:
    319.85
  • Isoviolanthrone

    Grade:
    CI 60000
    Synonym:
    Isodibenzanthrone
    Catalog Number:
    38516
    Grade:
    CI 60000
    CAS Number:
    128-64-3
    MDL NO:
    MFCD00021274
    Molecular Formula:
    C34H16O2
    Molecular Weight:
    456.5
  • Quinizarin green SS

    Grade:
    CI 61565
    Purity:
    ≥ 98% (N)
    Synonym:
    Solvent green 3
    Catalog Number:
    38519
    Grade:
    CI 61565
    Purity Limit:
    ≥ 98% (N)
    CAS Number:
    128-80-3
    MDL NO:
    MFCD00001195
    Molecular Formula:
    C28H22N2O2
    Molecular Weight:
    418.5
  • Methoxy red

    Purity:
    ≥ 85% (Assay by titration)
    Synonym:
    4-Methoxychrysoidine hydrochloride
    Catalog Number:
    38644
    Purity Limit:
    ≥ 85% (Assay by titration)
    CAS Number:
    68936-13-0
    MDL NO:
    MFCD00060224
    Molecular Formula:
    68936-13-0
    Molecular Weight:
    278.74
  • Chrome yellow

    Grade:
    CI 14095
    Purity:
    ≥ 96.5% (HPLC)
    Synonym:
    Mordant yellow 3
    Catalog Number:
    38621
    Grade:
    CI 14095
    Purity Limit:
    ≥ 96.5% (HPLC)
    CAS Number:
    6054-97-3
    MDL NO:
    MFCD00021624
    Molecular Formula:
    C17H10N2Na2O6S
    Molecular Weight:
    416.31
  • Bindschedler's green leuco base

    Grade:
    CI 76125
    Purity:
    ≥ 98% (Assay by titration , HPLC)
    Synonym:
    Bis(4-dimethylaminophenyl)amine
    Catalog Number:
    38632
    Grade:
    CI 76125
    Purity Limit:
    ≥ 98% (Assay by titration , HPLC)
    CAS Number:
    637-31-0
    MDL NO:
    MFCD00059291
    Molecular Formula:
    C16H21N3
    Molecular Weight:
    255.37
  • Astrazon red 6B

    Grade:
    CI 48020
    Synonym:
    Stenacrile brilliant red 6B
    Catalog Number:
    38638
    Grade:
    CI 48020
    CAS Number:
    6441-82-3
    MDL NO:
    MFCD00059990
    Molecular Formula:
    C24H30Cl2N2
    Molecular Weight:
    417.42
  • Lake red CBA

    Hazmat
    Grade:
    CI 15585
    Synonym:
    1-(4-Chloro-o-sulfo-5-tolylazo)-2-naphthol barium salt
    Hazmat
    Catalog Number:
    38599
    Grade:
    CI 15585
    CAS Number:
    5160-02-1
    MDL NO:
    MFCD01941571
    Molecular Formula:
    C34H24BaCl2N4O8S2
    Molecular Weight:
    888.93
  • Direct blue 86

    Grade:
    CI 74180
    Catalog Number:
    38525
    Grade:
    CI 74180
    CAS Number:
    1330-38-7
    MDL NO:
    MFCD00070592
    Molecular Formula:
    C32H14CuN8Na2O6S2
    Molecular Weight:
    780.16
  • Alphamine red R base

    Purity:
    ≥ 90% (HPLC)
    Synonym:
    3-(4-Anilino-1-naphthylazo)-2,7-naphthalenedisulfonic acid
    Catalog Number:
    38615
    Purity Limit:
    ≥ 90% (HPLC)
    CAS Number:
    57322-42-6
    MDL NO:
    MFCD00135326
    Molecular Formula:
    C26H19N3O6S2
    Molecular Weight:
    533.57
  • 4-Nitro-1,3-phenylenediamine

    Grade:
    CI 76030
    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3-Diamino-4-nitrobenzene
    Catalog Number:
    38597
    Grade:
    CI 76030
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    5131-58-8
    MDL NO:
    MFCD00025289
    Molecular Formula:
    C6H7N3O2
    Molecular Weight:
    153.14
  • Indigo (synthetic)

    Grade:
    CI 73000
    Purity:
    ≥ 97%
    Synonym:
    Indigotin
    Catalog Number:
    38594
    Grade:
    CI 73000
    Purity Limit:
    ≥ 97%
    CAS Number:
    482-89-3
    MDL NO:
    MFCD00005722
    Molecular Formula:
    C16H10N2O2
    Molecular Weight:
    262.27
  • Pigment green 7

    Grade:
    CI 74260
    Synonym:
    Phthalocyanine green
    Catalog Number:
    38524
    Grade:
    CI 74260
    CAS Number:
    1328-53-6
    MDL NO:
    MFCD00053950
    Molecular Formula:
    C32Cl16CuN8
    Molecular Weight:
    1127.15