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4-Phenylazophenol

Purity:

≥ 98% (Assay)

Synonym:

Solvent Yellow 7

Catalog Number:

22781

CAS Number:

1689-82-3

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00002330

Molecular Formula:

C₁₂H₁₀N₂O

Molecular Weight:

198.22

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

Purity:

≥ 75% (HPLC)

Synonym:

Purpurin

Catalog Number:

22772

CAS Number:

81-54-9

Purity Limit:

≥ 75% (HPLC)

MDL NO:

MFCD00001203

Molecular Formula:

C₁₄H₈O₅

Molecular Weight:

256.21

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
Brilliant Green

Hazmat

Grade:

Certifiable Grade

Purity:

≥ 97% (Dye content)

Synonym:

Malachite green G

Hazmat

Catalog Number:

01586

Grade:

Certifiable Grade

CAS Number:

633-03-4

Purity Limit:

≥ 97% (Dye content)

MDL NO:

MFCD00011880

Molecular Formula:

C₂₇H₃₄N₂O₄S

Molecular Weight:

482.65

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
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
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
Fast green FCF

Grade:

Certifiable Grade

Purity:

≥ 96% (HPLC)

Synonym:

Food green 3

Catalog Number:

00475

Grade:

Certifiable Grade

CAS Number:

2353-45-9

Purity Limit:

≥ 96% (HPLC)

MDL NO:

MFCD00013053

Molecular Formula:

C₃₇H₃₄N₂O₁₀S₃Na₂

Molecular Weight:

808.86

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
Laccaic acid from lacca

Catalog Number:

38623

CAS Number:

60687-93-6

MDL NO:

MFCD00071249

Molecular Weight:

0.0

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
Sudan I

Purity:

≥ 98% (HPLC)

Synonym:

Oil orange

Catalog Number:

38659

CAS Number:

842-07-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00003911

Molecular Formula:

C₁₆H₁₂N₂O

Molecular Weight:

248.29

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
New fuchsin

Hazmat

Grade:

CI 42520

Synonym:

Basic violet 2

Hazmat

Catalog Number:

38566

Grade:

CI 42520

CAS Number:

3248-91-7

MDL NO:

MFCD00012567

Molecular Formula:

C₂₂H₂₄ClN₃

Molecular Weight:

365.91

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
Acid red 52

Grade:

CI 45100

Purity:

≥ 98% (HPLC)

Synonym:

Acid red

Catalog Number:

38572

Grade:

CI 45100

CAS Number:

3520-42-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00010180

Molecular Formula:

C₂₇H₂₉N₂NaO₇S₂

Molecular Weight:

580.65

Specification Sheet SDS
Gallein

Grade:

CI 45445

Purity:

≥ 95% (HPLC)

Synonym:

Alizarin violet

Catalog Number:

38541

Grade:

CI 45445

CAS Number:

2103-64-2

Purity Limit:

≥ 95% (HPLC)

MDL NO:

MFCD00041839

Molecular Formula:

C₂₀H₁₂O₇

Molecular Weight:

364.31

Specification Sheet SDS
3,4,9,10-Perylenetetracarboxylic dianhydride

Grade:

CI 71127

Purity:

≥ 98% (Assay)

Synonym:

Pigment red 224

Catalog Number:

38517

Grade:

CI 71127

CAS Number:

128-69-8

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00006916

Molecular Formula:

C₂₄H₈O₆

Molecular Weight:

392.32

Specification Sheet SDS
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

Specification Sheet SDS
Fast black K salt

Grade:

CI 37190

Purity:

≥ 95% (HPLC)

Synonym:

2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium chloride zinc chloride

Catalog Number:

38634

Grade:

CI 37190

CAS Number:

64071-86-9

Purity Limit:

≥ 95% (HPLC)

MDL NO:

MFCD00078471

Molecular Formula:

C₁₄H₁₂ClN₅O₄·0.5ZnCl₂

Molecular Weight:

417.87

Specification Sheet SDS
Acid violet 43

Grade:

CI 60730

Purity:

≥ 97% (HPLC)

Catalog Number:

38591

Grade:

CI 60730

CAS Number:

4430-18-6

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00068446

Molecular Formula:

C₂₁H₁₄NNaO₆S

Molecular Weight:

431.39

Specification Sheet SDS
Azoic diazo component 22

Hazmat

Purity:

≥ 98% (HPLC)

Synonym:

4-Aminodiphenylamine

Hazmat

Catalog Number:

38500

CAS Number:

101-54-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00007850

Molecular Formula:

C₁₂H₁₂N₂

Molecular Weight:

184.24

Specification Sheet SDS
Chromotropic acid disodium salt dihydrate

Purity:

≥ 98%

Synonym:

1,8-Dihydroxy-3,6-naphthalenedisulfonic acid disodium salt dihydrate

Catalog Number:

33367

CAS Number:

5808-22-0

Purity Limit:

≥ 98%

MDL NO:

MFCD00150612

Molecular Formula:

C₁₀H₆O₈S₂·2Na·2H₂O

Molecular Weight:

400.29

Specification Sheet SDS
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

CAS Number:

207671-50-9

Purity Limit:

95 - 102% (Assay by titration ,on dry basis)

MDL NO:

MFCD00149490

Molecular Formula:

C₂₇H₃₀O₁₆·H₂O

Molecular Weight:

610.52

Specification Sheet SDS
Crystal violet

Hazmat

Grade:

ACS reagent

Purity:

≥ 90% (Assay)

Synonym:

Hexamethylpararosaniline chloride

Hazmat

Catalog Number:

30052

Grade:

ACS reagent

CAS Number:

548-62-9

Purity Limit:

≥ 90% (Assay)

MDL NO:

MFCD00011750

Molecular Formula:

C₂₅H₃₀ClN₃

Molecular Weight:

407.99

Specification Sheet SDS
Methyl Red free acid

Grade:

ACS reagent

Synonym:

2-[4-(Dimethylamino)phenylazo]benzoic acid

Catalog Number:

30111

Grade:

ACS reagent

CAS Number:

493-52-7

MDL NO:

MFCD00002425

Molecular Formula:

C₁₅H₁₅N₃O₂

Molecular Weight:

269.3

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
Allura Red

Purity:

≥ 86% (Dye content)

Synonym:

Food Red 17

Catalog Number:

22915

CAS Number:

25956-17-6

Purity Limit:

≥ 86% (Dye content)

MDL NO:

MFCD00059526

Molecular Formula:

C₁₈H₁₄N₂O₈S₂·2Na

Molecular Weight:

496.43

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
Lissamine Green B

Purity:

Dye content: ≥ 80%

Synonym:

Cyanol green B

Catalog Number:

22874

CAS Number:

3087-16-9

Purity Limit:

Dye content: ≥ 80%

MDL NO:

MFCD00012117

Molecular Formula:

C₂₇H₂₅N₂O₇S₂Na

Molecular Weight:

576.62

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
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
Eriochrome Blue Black R

Purity:

≥ 70% (Dye content)

Synonym:

Mordant Black 17

Catalog Number:

22808

CAS Number:

2538-85-4

Purity Limit:

≥ 70% (Dye content)

MDL NO:

MFCD00004069

Molecular Formula:

C₂₀H₁₃N₂O₅SNa

Molecular Weight:

416.39

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
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
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
p-Rosolic acid

Synonym:

Aurin

Catalog Number:

22777

CAS Number:

603-45-2

MDL NO:

MFCD00001624

Molecular Formula:

C₁₉H₁₄O₃

Molecular Weight:

290.32

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
4-Nitroaniline

Hazmat

Purity:

≥ 99% (GC)

Synonym:

p-Aminonitrobenzene

Hazmat

Catalog Number:

14327

CAS Number:

100-01-6

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00007858

Molecular Formula:

C₆H₆N₂O₂

Molecular Weight:

138.12

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
Toluidine Blue O

Grade:

Certifiable Grade

Purity:

≥ 80% (Dye content)

Synonym:

Basic blue 17

Catalog Number:

01804

Grade:

Certifiable Grade

CAS Number:

92-31-9

Purity Limit:

≥ 80% (Dye content)

MDL NO:

MFCD00011934

Molecular Formula:

C₁₅H₁₆N₃SCl

Molecular Weight:

305.83

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
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
Acridine orange biological stain

Purity:

≥ 90% (Assay)

Synonym:

3,6-bis(Dimethylamino)acridine hemizinc chloride

Catalog Number:

00481

CAS Number:

10127-02-3

Purity Limit:

≥ 90% (Assay)

MDL NO:

MFCD00081043

Molecular Formula:

C₁₇H₂₀ClN₃·½ZnCl₂

Molecular Weight:

369.94

Specification Sheet SDS
Malachite green oxalate

Hazmat

Grade:

Certifiable Grade

Purity:

99 - 100% (Dye Content)

Synonym:

Basic green 4

Hazmat

Catalog Number:

00297

Grade:

Certifiable Grade

CAS Number:

2437-29-8

Purity Limit:

99 - 100% (Dye Content)

MDL NO:

MFCD00011766

Molecular Formula:

C52H54N4O12

Molecular Weight:

927.02

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

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