Stains & Dyes

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Quinoline Yellow W/S

Purity:

≥ 85% (Dye content)

Synonym:

Acid Yellow 3

Catalog Number:

22931

CAS Number:

8004-92-0

Purity Limit:

≥ 85% (Dye content)

MDL NO:

MFCD00080727

Molecular Formula:

C₁₉H₉NNa₂O₈S₂

Molecular Weight:

489.4

Specification Sheet SDS
Brilliant Black BN

Purity:

≥ 80% (Dye content)

Synonym:

Naphthol Black

Catalog Number:

22929

CAS Number:

2519-30-4

Purity Limit:

≥ 80% (Dye content)

MDL NO:

MFCD00078980

Molecular Formula:

C₂₈H₁₇N₅O₁₄S₄·4Na

Molecular Weight:

867.69

Specification Sheet SDS
Thiazole Yellow G (indicator for adsorption and fluorescence)

Purity:

≥ 65% (Dye content: Spectrophotometry)

Synonym:

Titan Yellow

Catalog Number:

22891

CAS Number:

1829-00-1

Purity Limit:

≥ 65% (Dye content: Spectrophotometry)

MDL NO:

MFCD00013091

Molecular Formula:

C₂₈H₁₉N₅Na₂O₆S₄

Molecular Weight:

695.73

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
Orange II

Grade:

Certifiable grade

Purity:

≥ 90% (Dye content)

Synonym:

Acid Orange 7

Catalog Number:

22856

Grade:

Certifiable grade

CAS Number:

633-96-5

Purity Limit:

≥ 90% (Dye content)

MDL NO:

MFCD00011657

Molecular Formula:

C₁₆H₁₁N₂O₄SNa

Molecular Weight:

350.33

Specification Sheet SDS
Brilliant Yellow

Purity:

≥ 70% (Dye content)

Synonym:

Direct Yellow 4

Catalog Number:

22835

CAS Number:

3051-11-4

Purity Limit:

≥ 70% (Dye content)

MDL NO:

MFCD00007489

Molecular Formula:

C₂₆H₁₈N₄O₈S₂·2Na

Molecular Weight:

624.56

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
Chicago Sky Blue 6B

Purity:

Dye content: ~ 50%

Synonym:

Direct Blue

Catalog Number:

22806

CAS Number:

2610-05-1

Purity Limit:

Dye content: ~ 50%

MDL NO:

MFCD00004020

Molecular Formula:

C₃₄H₂₄N₆O₁₆S₄·4Na

Molecular Weight:

992.81

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
Sudan IV

Grade:

Certifiable Grade

Purity:

≥ 88% (dye content)

Synonym:

Solvent Red 24

Catalog Number:

22795

Grade:

Certifiable Grade

CAS Number:

85-83-6

Purity Limit:

≥ 88% (dye content)

MDL NO:

MFCD00003893

Molecular Formula:

C₂₄H₂₀N₄O

Molecular Weight:

380.45

Specification Sheet SDS
1,2,4-Trihydroxy-9,10-anthracenedione

Purity:

≥ 95% (HPLC)

Synonym:

Purpurin

Catalog Number:

22772

CAS Number:

81-54-9

Purity Limit:

≥ 95% (HPLC)

MDL NO:

MFCD00001203

Molecular Formula:

C₁₄H₈O₅

Molecular Weight:

256.21

Specification Sheet SDS
Rose Bengal

Purity:

≥ 90% (Dye content)

Synonym:

4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein disodium salt

Catalog Number:

21920

CAS Number:

632-69-9

Purity Limit:

≥ 90% (Dye content)

MDL NO:

MFCD00151169

Molecular Formula:

C₂₀H₂Cl₄I₄Na₂O₅

Molecular Weight:

1017.62

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:

244.3

Specification Sheet SDS
Neutral red

Grade:

Certifiable Grade

Purity:

≥ 69% (Dye content)

Synonym:

3-Amino-7-dimethylamino-2-methylphenazine hydrochloride

Catalog Number:

01738

Grade:

Certifiable Grade

CAS Number:

553-24-2

Purity Limit:

≥ 69% (Dye content)

MDL NO:

MFCD00012651

Molecular Formula:

C₁₅H₁₆N₄·HCl

Molecular Weight:

288.78

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
Trypan blue

Hazmat

Grade:

Certifiable Grade

Purity:

≥ 70% (dye content)

Synonym:

Direct blue 14

Hazmat

Catalog Number:

01636

Grade:

Certifiable Grade

CAS Number:

72-57-1

Purity Limit:

≥ 70% (dye content)

MDL NO:

MFCD00003969

Molecular Formula:

C₃₄H₂₄N₆O₁₄S₄Na₄

Molecular Weight:

960.82

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
Evans blue

Purity:

≥ 85% (Dye content)

Synonym:

Direct blue 53

Catalog Number:

01600

CAS Number:

314-13-6

Purity Limit:

≥ 85% (Dye content)

MDL NO:

MFCD00004021

Molecular Formula:

C₃₄H₂₄N₆O₁₄S₄Na₄

Molecular Weight:

960.82

Specification Sheet SDS
Sudan Black B

Grade:

Certifiable Grade

Purity:

≥ 95% (Dye content)

Synonym:

Fat black HB

Catalog Number:

01307

Grade:

Certifiable Grade

CAS Number:

4197-25-5

Purity Limit:

≥ 95% (Dye content)

MDL NO:

MFCD00006919

Molecular Formula:

C₂₉H₂₄N₆

Molecular Weight:

456.55

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
Safranine O

Grade:

Certifiable Grade

Purity:

≥ 99% (Assay)

Synonym:

3,7-Diamino-2,8-dimethyl-5-phenylphenazinium chloride

Catalog Number:

00280

Grade:

Certifiable Grade

CAS Number:

477-73-6

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00011759

Molecular Formula:

C₂₀H₁₉N₄Cl

Molecular Weight:

350.85

Specification Sheet SDS
Crystal Violet

Hazmat

Grade:

meets USP specifications

Purity:

96.0-100.5% (Titration)

Synonym:

Basic violet 3

Hazmat

Catalog Number:

00082

Grade:

meets USP specifications

CAS Number:

548-62-9

Purity Limit:

96.0-100.5% (Titration)

MDL NO:

MFCD00011750

Molecular Formula:

C₂₅H₃₀N₃Cl

Molecular Weight:

407.99

Specification Sheet SDS
Acid blue 20

Grade:

CI 50405

Synonym:

Induline (Water soluble)

Catalog Number:

38649

Grade:

CI 50405

CAS Number:

8004-99-7

MDL NO:

MFCD00131375

Molecular Weight:

0.0

Specification Sheet SDS
Indanthrone

Grade:

CI 69800

Purity:

≥ 97%

Catalog Number:

38655

Grade:

CI 69800

CAS Number:

81-77-6

Purity Limit:

≥ 97%

MDL NO:

MFCD00046964

Molecular Formula:

C₂₈H₁₄N₂O₄

Molecular Weight:

442.43

Specification Sheet SDS
Acid red 27

Grade:

CI 16185

Purity:

≥ 90% (UV)

Synonym:

Amaranth

Catalog Number:

38665

Grade:

CI 16185

CAS Number:

915-67-3

Purity Limit:

≥ 90% (UV)

MDL NO:

MFCD00004076

Molecular Formula:

C₂₀H₁₁N₂Na₃O₁₀S₃

Molecular Weight:

604.46

Specification Sheet SDS
Quinizarin blue

Grade:

CI 60725

Purity:

≥ 90% (HPLC)

Synonym:

1-Hydroxy-4-p-toluidinoanthraquinon

Catalog Number:

38653

Grade:

CI 60725

CAS Number:

81-48-1

Purity Limit:

≥ 90% (HPLC)

MDL NO:

MFCD00019148

Molecular Formula:

C₂₁H₁₅NO₃

Molecular Weight:

329.36

Specification Sheet SDS
Quinizarin

Grade:

CI 58050

Purity:

≥ 97% (HPLC)

Synonym:

1,4-Dihydroxyanthraquinone

Catalog Number:

38654

Grade:

CI 58050

CAS Number:

81-64-1

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00001209

Molecular Formula:

C₁₄H₈O₄

Molecular Weight:

240.21

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-carboxylic acid

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
3-Nitroaniline

Hazmat

Purity:

≥ 98% (GC)

Hazmat

Catalog Number:

38670

CAS Number:

99-09-2

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00007782

Molecular Formula:

C₆H₆N₂O₂

Molecular Weight:

138.13

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
Pontacyl carmine 2B

Grade:

CI 18075

Purity:

≥ 93% (HPLC)

Catalog Number:

38642

Grade:

CI 18075

CAS Number:

6625-46-3

Purity Limit:

≥ 93% (HPLC)

MDL NO:

MFCD00059131

Molecular Formula:

C₁₉H₁₅N₃Na₂O₉S₂

Molecular Weight:

539.44

Specification Sheet SDS
Laccaic acid from lacca

Catalog Number:

38623

CAS Number:

60687-93-6

MDL NO:

MFCD00071249

Molecular Weight:

0.0

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
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
Fast red ITR base

Grade:

CI 37150

Purity:

≥ 98% (Assay by titration , HPLC)

Synonym:

Fast red ITR

Catalog Number:

38669

Grade:

CI 37150

CAS Number:

97-35-8

Purity Limit:

≥ 98% (Assay by titration , HPLC)

MDL NO:

MFCD00009045

Molecular Formula:

C₁₁H₁₈N₂O₃S

Molecular Weight:

258.34

Specification Sheet SDS
Boraxcarmine powder

Catalog Number:

38673

MDL NO:

MFCD01310220

Molecular Weight:

0.0

Specification Sheet SDS
Sudan I

Grade:

CI 12055

Purity:

≥ 93% (HPLC)

Synonym:

Oil orange

Catalog Number:

38659

Grade:

CI 12055

CAS Number:

842-07-9

Purity Limit:

≥ 93% (HPLC)

MDL NO:

MFCD00003911

Molecular Formula:

C₁₆H₁₂N₂O

Molecular Weight:

248.29

Specification Sheet SDS
2-Nitroaniline

Hazmat

Grade:

CI 37025

Purity:

≥ 99% (GC)

Hazmat

Catalog Number:

38663

Grade:

CI 37025

CAS Number:

88-74-4

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00007687

Molecular Formula:

C₆H₆N₂O₂

Molecular Weight:

138.13

Specification Sheet SDS
Fuchsine basic

Hazmat

Grade:

CI 42510

Synonym:

Basic violet 14

Hazmat

Catalog Number:

38671

Grade:

CI 42510

Molecular Weight:

0.0

Specification Sheet SDS
Azo blue

Grade:

CI 23680

Synonym:

Direct violet 39

Catalog Number:

38622

Grade:

CI 23680

CAS Number:

6059-34-3

MDL NO:

MFCD00059133

Molecular Formula:

C₃₄H₂₄N₄Na₂O₈S₂

Molecular Weight:

726.69

Specification Sheet SDS
Acetocarmine solution acc. to kultschitzky

Catalog Number:

38672

MDL NO:

MFCD00197815

Molecular Weight:

0.0

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
Filter blue green sodium salt

Catalog Number:

38675

Molecular Formula:

C₃₀H₂₄FeN₆Na₃O₁₈S₆

Molecular Weight:

1073.72

Specification Sheet SDS
1,4-Phenylenediamine dihydrochloride

Hazmat

Grade:

CI 76061

Purity:

≥ 98% (HPLC)

Synonym:

1,4-Diaminobenzene dihydrochloride

Hazmat

Catalog Number:

38627

Grade:

CI 76061

CAS Number:

624-18-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00013002

Molecular Formula:

C₆H₈N₂·₂HCl

Molecular Weight:

181.06

Specification Sheet SDS
Nuclear fast red

Grade:

CI 60760

Purity:

≥ 92% (UV)

Synonym:

Kernechtrot

Catalog Number:

38637

Grade:

CI 60760

CAS Number:

6409-77-4

Purity Limit:

≥ 92% (UV)

MDL NO:

MFCD00078493

Molecular Formula:

C₁₄H₈NNaO₇S

Molecular Weight:

357.27

Specification Sheet SDS
Safflower yellow

Catalog Number:

38677

MDL NO:

MFCD00151135

Molecular Weight:

0.0

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
2,4-Diaminotoluene

Hazmat

Grade:

CI 76035

Purity:

≥ 98% (Assay by titration , GC)

Synonym:

2,4-Toluenediamine

Hazmat

Catalog Number:

38668

Grade:

CI 76035

CAS Number:

95-80-7

Purity Limit:

≥ 98% (Assay by titration , GC)

MDL NO:

MFCD00007804

Molecular Formula:

C₇H₁₀N₂

Molecular Weight:

122.17

Specification Sheet SDS

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