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Stains & Dyes

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  • 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
  • 2,6-Bis[(2-hydroxyethyl)amino]toluene

    Purity:
    ≥ 98% (Assay by titration, GC)
    Synonym:
    2,2'-[(2-Methyl-1,3-phenylene)bis(azanediyl)]diethanol
    Catalog Number:
    38532
    Purity Limit:
    ≥ 98% (Assay by titration, GC)
    CAS Number:
    149330-25-6
    MDL NO:
    MFCD08703311
    Molecular Formula:
    C11H18N2O2
    Molecular Weight:
    210.28
  • Fast red B salt 1,5-naphthalenedisulfonate

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Bis(2-methoxy-4-nitrophenyldiazonium) 1,5-naphthalenedisulfonate
    Catalog Number:
    38624
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    61925-55-1
    MDL NO:
    MFCD00060048
    Molecular Formula:
    C24H18N6O12S2
    Molecular Weight:
    646.56
  • Pontacyl violet 6R

    Grade:
    CI 16640
    Catalog Number:
    38618
    Grade:
    CI 16640
    CAS Number:
    5850-63-5
    MDL NO:
    MFCD00059522
    Molecular Formula:
    C20H12N2Na2O8S2
    Molecular Weight:
    518.42
  • Erio green B

    Grade:
    CI 44025
    Synonym:
    Acid brilliant green J
    Catalog Number:
    38515
    Grade:
    CI 44025
    CAS Number:
    12768-78-4
    MDL NO:
    MFCD00060075
    Molecular Formula:
    C31H33N2NaO6S2
    Molecular Weight:
    616.72
  • 7,8-Dimethylalloxazine

    Purity:
    ≥ 98% (Assay by titration, HPLC)
    Synonym:
    Lumichrome
    Catalog Number:
    38506
    Purity Limit:
    ≥ 98% (Assay by titration, HPLC)
    CAS Number:
    1086-80-2
    MDL NO:
    MFCD00005021
    Molecular Formula:
    C12H10N4O2
    Molecular Weight:
    242.24
  • Phthalocyanine

    Grade:
    CI 74100
    Purity:
    ≥ 93%
    Synonym:
    Pigment blue 16
    Catalog Number:
    38616
    Grade:
    CI 74100
    Purity Limit:
    ≥ 93%
    CAS Number:
    574-93-6
    MDL NO:
    MFCD00005085
    Molecular Formula:
    C32H18N8
    Molecular Weight:
    514.55
  • Ruthenium red

    Purity:
    ≥ 99% (Assay)
    Catalog Number:
    38508
    Purity Limit:
    ≥ 99% (Assay)
    CAS Number:
    11103-72-3
    MDL NO:
    MFCD00011479
    Molecular Formula:
    6Cl·O2Ru3·14NH3
    Molecular Weight:
    786.36
  • 1-Amino-2-methylanthraquinone

    Grade:
    CI 60700
    Purity:
    ≥ 85% (HPLC)
    Synonym:
    Disperse orange 11
    Catalog Number:
    38656
    Grade:
    CI 60700
    Purity Limit:
    ≥ 85% (HPLC)
    CAS Number:
    82-28-0
    MDL NO:
    MFCD00001220
    Molecular Formula:
    C15H11NO2
    Molecular Weight:
    237.26
  • Acid green 27

    Grade:
    CI 61580
    Purity:
    ≥ 75% (HPLC)
    Catalog Number:
    38636
    Grade:
    CI 61580
    Purity Limit:
    ≥ 75% (HPLC)
    CAS Number:
    6408-57-7
    MDL NO:
    MFCD00001196
    Molecular Formula:
    C34H32N2Na2O8S2
    Molecular Weight:
    706.74
  • Acid brown M

    Grade:
    CI 20195
    Purity:
    ≥ 90% (HPLC)
    Synonym:
    Echt brown N
    Catalog Number:
    38617
    Grade:
    CI 20195
    Purity Limit:
    ≥ 90% (HPLC)
    CAS Number:
    5850-16-8
    MDL NO:
    MFCD00059545
    Molecular Formula:
    C26H16N4Na2O8S2
    Molecular Weight:
    622.53
  • Iron(III) hexacyanoferrate(II)

    Grade:
    CI 77510
    Purity:
    ≥ 30% (Assay by titration)
    Synonym:
    Iron(III) ferrocyanide
    Catalog Number:
    38527
    Grade:
    CI 77510
    Purity Limit:
    ≥ 30% (Assay by titration)
    CAS Number:
    14038-43-8
    MDL NO:
    MFCD00135663
    Molecular Formula:
    C18Fe7N18
    Molecular Weight:
    859.24
  • Catalog Number:
    38603
    CAS Number:
    52080-58-7
    MDL NO:
    MFCD00001656
    Molecular Formula:
    C24H27N3
    Molecular Weight:
    357.49
  • Fast black K salt

    Grade:
    CI 37190
    Purity:
    ≥ 93% (HPLC)
    Synonym:
    2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium chloride zincchloride
    Catalog Number:
    38634
    Grade:
    CI 37190
    Purity Limit:
    ≥ 93% (HPLC)
    CAS Number:
    64071-86-9
    MDL NO:
    MFCD00078471
    Molecular Formula:
    C14H12ClN5O4·0.5ZnCl2
    Molecular Weight:
    417.87
  • Kaempferol hydrate

    Grade:
    CI 75640
    Purity:
    ≥ 98% (Assay)
    Synonym:
    3,4',5,7-Tetrahydroxyflavone hydrate
    Catalog Number:
    38602
    Grade:
    CI 75640
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    520-18-3
    MDL NO:
    MFCD00016938
    Molecular Formula:
    C15H10O6·xH2O
    Molecular Weight:
    286.24
  • Diamine green B

    Synonym:
    Chlorazol green
    Catalog Number:
    38589
    CAS Number:
    4335-09-5
    MDL NO:
    MFCD00042705
  • Crocein scarlet 3B

    Grade:
    CI 27290
    Synonym:
    Acid red 73
    Catalog Number:
    38612
    Grade:
    CI 27290
    CAS Number:
    5413-75-2
    MDL NO:
    MFCD00003907
    Molecular Formula:
    C22H14N4Na2O7S2
    Molecular Weight:
    556.47
  • Azoic diazo component 24 (salt)

    Grade:
    CI 37155
    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    4-Benzamido-2,5-dimethoxybenzenediazonium salt zinc chloride
    Catalog Number:
    38613
    Grade:
    CI 37155
    Purity Limit:
    ≥ 95% (Assay by titration)
    CAS Number:
    55663-99-5
    MDL NO:
    MFCD00074762
    Molecular Formula:
    C30H28Cl2N6O6·ZnCl2
    Molecular Weight:
    775.77
  • Tetrabromophenol blue disodium salt

    Synonym:
    Tetrabromophenoltetrabromosulfophthalein disodium salt
    Catalog Number:
    38674
    MDL NO:
    MFCD00070515
    Molecular Formula:
    C19H4Br8Na2O5S
    Molecular Weight:
    1029.51
  • Indigodisulfonic acid dipotassium salt

    Grade:
    CI 73015
    Purity:
    ≥ 90% (Assay by titration)
    Catalog Number:
    38526
    Grade:
    CI 73015
    Purity Limit:
    ≥ 90% (Assay by titration)
    CAS Number:
    13725-33-2
    MDL NO:
    MFCD00067311
    Molecular Formula:
    C16H8K2N2O8S2
    Molecular Weight:
    498.56
  • Primuline

    Grade:
    CI 49000
    Catalog Number:
    38651
    Grade:
    CI 49000
    CAS Number:
    8064-60-6
    MDL NO:
    MFCD00005798
    Molecular Formula:
    C21H14N3NaO3S3
    Molecular Weight:
    475.54
  • a-Naphthol orange

    Grade:
    CI 14600
    Synonym:
    Acid orange 20
    Catalog Number:
    38605
    Grade:
    CI 14600
    CAS Number:
    523-44-4
    MDL NO:
    MFCD00021510
    Molecular Formula:
    C16H11N2NaO4S
    Molecular Weight:
    350.32
  • Acid red 9

    Grade:
    CI 15635
    Catalog Number:
    38647
    Grade:
    CI 15635
    CAS Number:
    8003-59-6
    MDL NO:
    MFCD00151319
    Molecular Formula:
    C20H13N2NaO4S
    Molecular Weight:
    400.38
  • Thioindigo

    Grade:
    CI 73300
    Synonym:
    Fluorescent red dye
    Catalog Number:
    38604
    Grade:
    CI 73300
    CAS Number:
    522-75-8
    MDL NO:
    MFCD00191692
    Molecular Formula:
    C16H8O2S2
    Molecular Weight:
    296.36
  • Sudan R

    Grade:
    CI 12150
    Purity:
    ≥ 95% (HPLC)
    Synonym:
    1-(2-Methoxyphenylazo)-2-naphthol
    Catalog Number:
    38513
    Grade:
    CI 12150
    Purity Limit:
    ≥ 95% (HPLC)
    CAS Number:
    1229-55-6
    MDL NO:
    MFCD00046377
    Molecular Formula:
    C17H14N2O2
    Molecular Weight:
    278.31
  • Acid orange 17

    Grade:
    CI 16020
    Synonym:
    Brilliant orange H
    Catalog Number:
    38607
    Grade:
    CI 16020
    CAS Number:
    52749-23-2
    MDL NO:
    MFCD00059907
    Molecular Formula:
    C18H15N2NaO4S
    Molecular Weight:
    378.38
  • Azoic diazo component 20 (Base)

    Grade:
    CI 37175
    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    Fast blue BB base
    Catalog Number:
    38510
    Grade:
    CI 37175
    Purity Limit:
    ≥ 95% (Assay by titration)
    CAS Number:
    120-00-3
    MDL NO:
    MFCD00009091
    Molecular Formula:
    C17H20N2O3
    Molecular Weight:
    300.36
  • Acid green 9

    Grade:
    CI 42100
    Synonym:
    Patent green
    Catalog Number:
    38595
    Grade:
    CI 42100
    CAS Number:
    4857-81-2
    MDL NO:
    MFCD00050440
    Molecular Formula:
    C37H34ClN2NaO6S2
    Molecular Weight:
    725.25
  • Ponceau SX

    Grade:
    CI 14700
    Catalog Number:
    38592
    Grade:
    CI 14700
    CAS Number:
    4548-53-2
    MDL NO:
    MFCD00046402
    Molecular Formula:
    C18H14N2Na2O7S2
    Molecular Weight:
    480.42
  • Solvent black 5

    Grade:
    CI 50415
    Purity:
    98 - 102% (Dye content)
    Catalog Number:
    38507
    Grade:
    CI 50415
    Purity Limit:
    98 - 102% (Dye content)
    CAS Number:
    11099-03-9
    MDL NO:
    MFCD00071316
  • 2,4-Diaminoanisole sulfate hydrate

    Grade:
    CI 76051
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Methoxy-1,3-phenylenediamine sulfate hydrate
    Catalog Number:
    38625
    Grade:
    CI 76051
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    6219-67-6
    MDL NO:
    MFCD00012978
    Molecular Formula:
    C7H10N2O·H2SO4·xH2O
    Molecular Weight:
    236.24
  • Indophenol blue

    Grade:
    CI 49700
    Synonym:
    N-(4-Dimethylaminophenyl)-1,4-naphthoquinoneimine
    Catalog Number:
    38523
    Grade:
    CI 49700
    CAS Number:
    132-31-0
    MDL NO:
    MFCD00041739
    Molecular Formula:
    C18H16N2O
    Molecular Weight:
    276.34
  • Solvent red 197

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-(Diethylamino)-7-imino-7H-benzo[4,5]imidazo[1,2-a]chromeno[3,2-c]pyridine-6-carbonitrile
    Catalog Number:
    38606
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    52372-39-1
    MDL NO:
    MFCD02176212
    Molecular Formula:
    C23H19N5O
    Molecular Weight:
    381.44
  • Pigment red 254

    Grade:
    CI 56110
    Synonym:
    3,6-Bis(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione
    Catalog Number:
    38660
    Grade:
    CI 56110
    CAS Number:
    84632-65-5
    MDL NO:
    MFCD01941106
    Molecular Formula:
    C18H10Cl2N2O2
    Molecular Weight:
    357.19
  • Acid violet 43

    Grade:
    CI 60730
    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    38591
    Grade:
    CI 60730
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    4430-18-6
    MDL NO:
    MFCD00068446
    Molecular Formula:
    C21H14NNaO6S
    Molecular Weight:
    431.39
  • Quinacridone

    Grade:
    CI 46500
    Purity:
    ≥ 93% (N)
    Synonym:
    5,12-Dihydroquino[2,3-b]acridine-7,14-dione
    Catalog Number:
    38503
    Grade:
    CI 46500
    Purity Limit:
    ≥ 93% (N)
    CAS Number:
    1047-16-1
    MDL NO:
    MFCD00059956
    Molecular Formula:
    C20H12N2O2
    Molecular Weight:
    312.33
  • Alphazurine G

    Grade:
    CI 42045
    Synonym:
    Acid blue 1
    Catalog Number:
    38509
    Grade:
    CI 42045
    CAS Number:
    116-95-0
    MDL NO:
    MFCD00012119
    Molecular Formula:
    C27H32N2O6S2
    Molecular Weight:
    544.68
  • Mordant blue 13

    Grade:
    CI 16680
    Synonym:
    3-(5-Chloro-2-hydroxyphenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonicacid disodium salt
    Catalog Number:
    38504
    Grade:
    CI 16680
    CAS Number:
    1058-92-0
    MDL NO:
    MFCD00003941
    Molecular Formula:
    C16H9ClN2Na2O9S2
    Molecular Weight:
    518.8
  • 1,4-Phenylenediamine

    Hazmat
    Grade:
    CI 76060
    Purity:
    ≥ 99.9% (GC)
    Hazmat
    Catalog Number:
    38505
    Grade:
    CI 76060
    Purity Limit:
    ≥ 99.9% (GC)
    CAS Number:
    106-50-3
    MDL NO:
    MFCD00007901
    Molecular Formula:
    C6H8N2
    Molecular Weight:
    108.14
  • Direct yellow 8

    Grade:
    CI 13920
    Purity:
    ≥ 99% (Dye content)
    Synonym:
    Acid yellow 186
    Catalog Number:
    38499
    Grade:
    CI 13920
    Purity Limit:
    ≥ 99% (Dye content)
    CAS Number:
    10130-29-7
    MDL NO:
    MFCD00005779
    Molecular Formula:
    C24H19N4NaO5S2
    Molecular Weight:
    530.55
  • Azoic diazo component 22

    Hazmat
    Grade:
    CI 37240
    Purity:
    ≥ 98% (Assay by titration, HPLC)
    Synonym:
    4-Aminodiphenylamine
    Hazmat
    Catalog Number:
    38500
    Grade:
    CI 37240
    Purity Limit:
    ≥ 98% (Assay by titration, HPLC)
    CAS Number:
    101-54-2
    MDL NO:
    MFCD00007850
    Molecular Formula:
    C12H12N2
    Molecular Weight:
    184.24
  • Quinacridone (purified by sublimation)

    Grade:
    CI 46500
    Purity:
    ≥ 99% (N)
    Synonym:
    5,12-Dihydroquino[2,3-b]acridine-7,14-dione (purified bysublimation)
    Catalog Number:
    38502
    Grade:
    CI 46500
    Purity Limit:
    ≥ 99% (N)
    CAS Number:
    1047-16-1
    MDL NO:
    MFCD00059956
    Molecular Formula:
    C20H12N2O2
    Molecular Weight:
    312.33
  • Methylxylenol blue

    Purity:
    ≥ 83% (HPLC)
    Catalog Number:
    37406
    Purity Limit:
    ≥ 83% (HPLC)
    CAS Number:
    29412-85-9
    MDL NO:
    MFCD00065250
    Molecular Formula:
    C33H32O13N2Na4S
    Molecular Weight:
    788.64
  • Variamine blue B

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4-Amino-4'-methoxydiphenylamine hydrochloride
    Catalog Number:
    37397
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    3566-44-7
    MDL NO:
    MFCD00012989
    Molecular Formula:
    C13H14N2O·HCl
    Molecular Weight:
    250.73
  • Alizarin yellow GG

    Synonym:
    5-(3-Nitrophenylazo)salicylic acid sodium salt
    Catalog Number:
    37380
    CAS Number:
    584-42-9
    MDL NO:
    MFCD00044746
    Molecular Formula:
    C13H8N3O5Na
    Molecular Weight:
    309.21
  • Catalog Number:
    37381
    CAS Number:
    1324-80-7
    MDL NO:
    MFCD00083221
    Molecular Formula:
    C37H30N3O4SNa
    Molecular Weight:
    635.71
  • Curcumin, ≥ 95% (Curcuminoid content), ≥ 70% (Curcumin), 16%-20% (Methoxycurcumin), 2%-6% (Bisdemethoxycurcumin) from Turmeric rhizome

    Purity:
    ≥ 95% (Total Curcuminoid content)
    ≥ 70% (Curcumin I) 20% (Methoxycurcumin II) 6% (Bisdemethoxycurcumin III)
    Synonym:
    (E,E)-1,7-bis(4-Hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione
    Catalog Number:
    33345
    Purity Limit:
    ≥ 95% (Total Curcuminoid content)
    ≥ 70% (Curcumin I) 20% (Methoxycurcumin II) 6% (Bisdemethoxycurcumin III)
    CAS Number:
    458-37-7
    MDL NO:
    MFCD00008365
    Molecular Formula:
    C21H20O6
    Molecular Weight:
    368.38
  • Chromotropic acid disodium salt dihydrate

    Purity:
    ≥ 98%
    Synonym:
    1,8-Dihydroxy-3,6-naphthalenedisulfonic acid disodium saltdihydrate
    Catalog Number:
    33367
    Purity Limit:
    ≥ 98%
    CAS Number:
    5808-22-0
    MDL NO:
    MFCD00150612
    Molecular Formula:
    C10H6O8S2·2Na·2H2O
    Molecular Weight:
    400.29
  • Rutin hydrate

    Grade:
    meets USP / NF specifications
    Purity:
    95 - 102% (Assay by titration ,on dry basis)
    Synonym:
    Quercetin-3-rutinoside hydrate
    Catalog Number:
    32186
    Grade:
    meets USP / NF specifications
    Purity Limit:
    95 - 102% (Assay by titration ,on dry basis)
    CAS Number:
    207671-50-9
    MDL NO:
    MFCD00149490
    Molecular Formula:
    C27H30O16·H2O
    Molecular Weight:
    610.52