Dye Chemicals

Methylene Blue Trihydrate

Grade:

Meets USP specification

Purity:

97 - 103% (Assay, on dry basis), Heavy metals not detected

Synonym:

3,7-Bis(Dimethylamino)phenazathionium chloride

Catalog Number:

00210

Grade:

Meets USP specification

CAS Number:

7220-79-3

Purity Limit:

97 - 103% (Assay, on dry basis), Heavy metals not detected

MDL NO:

MFCD00150008

Molecular Formula:

C₁₆H₁₈N₃ClS·3H₂O

Molecular Weight:

373.9

Specification Sheet SDS
Nile Blue A

Grade:

Certifiable Grade

Purity:

≥ 90% (Dye content)

Synonym:

Basic Blue

Catalog Number:

22918

Grade:

Certifiable Grade

CAS Number:

3625-57-8

Purity Limit:

≥ 90% (Dye content)

MDL NO:

MFCD00064529

Molecular Formula:

C₄₀H₄₀N₆O₆S

Molecular Weight:

732.86

Specification Sheet SDS
Congo Red

Grade:

ACS Reagent

Purity:

≥ 75% (Dye content)

Synonym:

Direct Red 28

Catalog Number:

22807

Grade:

ACS Reagent

CAS Number:

573-58-0

Purity Limit:

≥ 75% (Dye content)

MDL NO:

MFCD00004028

Molecular Formula:

C₃₂H₂₂N₆O₆S₂·2Na

Molecular Weight:

696.67

Specification Sheet SDS
SPADNS

Grade:

ACS reagent

Synonym:

p-Sulfophenylazochromotropic acid trisodium salt

Catalog Number:

22803

Grade:

ACS reagent

CAS Number:

23647-14-5

MDL NO:

MFCD00003952

Molecular Formula:

C₁₆H₉N₂O₁₁S₃·3Na

Molecular Weight:

570.42

Specification Sheet SDS
Auramine O

Hazmat

Grade:

Certifiable Grade

Purity:

≥ 80% (Dye Content)

Synonym:

Basic yellow 2

Hazmat

Catalog Number:

00478

Grade:

Certifiable Grade

CAS Number:

2465-27-2

Purity Limit:

≥ 80% (Dye Content)

MDL NO:

MFCD00012484

Molecular Formula:

C₁₇H₂₁N₃·HCl

Molecular Weight:

321.9

Specification Sheet SDS
Eosin Y disodium salt

Grade:

Certifiable Grade

Purity:

≥ 88% (Dye content)

Synonym:

Eosin yellowish

Catalog Number:

01834

Grade:

Certifiable Grade

CAS Number:

17372-87-1

Purity Limit:

≥ 88% (Dye content)

MDL NO:

MFCD00005040

Molecular Formula:

C₂₀H₆Br₄O₅Na₂

Molecular Weight:

691.88

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
Martius Yellow

Synonym:

2,4-Dinitro-1-naphthol

Catalog Number:

22920

CAS Number:

605-69-6

MDL NO:

MFCD00065352

Molecular Formula:

C₁₀H₆N₂O₅

Molecular Weight:

234.17

Specification Sheet SDS
Methylene Violet 3RAX

Grade:

Certifiable Grade

Purity:

Dye content: ≥ 90%

Synonym:

3-Amino-7-(diethylamino)-5-phenyl phenazinium chloride

Catalog Number:

22894

Grade:

Certifiable Grade

CAS Number:

4569-86-2

Purity Limit:

Dye content: ≥ 90%

MDL NO:

MFCD00013433

Molecular Formula:

C₂₂H₂₃N₄Cl

Molecular Weight:

378.91

Specification Sheet SDS
Murexide

Grade:

ACS reagent

Synonym:

5,5'-Nitrilodibarbituric acid monoammonium salt

Catalog Number:

22886

Grade:

ACS reagent

CAS Number:

3051-09-0

MDL NO:

MFCD00012777

Molecular Formula:

C₈H₈N₆O₆

Molecular Weight:

284.19

Specification Sheet SDS
Bismark Brown Y

Grade:

Certifiable Grade

Purity:

≥ 45% (Dye content)

Synonym:

Basic Brown 1

Catalog Number:

22887

Grade:

Certifiable Grade

CAS Number:

10114-58-6

Purity Limit:

≥ 45% (Dye content)

MDL NO:

MFCD00012977

Molecular Formula:

C₁₈H₁₈N₈·2HCl

Molecular Weight:

419.32

Specification Sheet SDS
Erioglaucine

Purity:

≥ 85% (Dye content)

Synonym:

Acid Blue 9

Catalog Number:

22876

CAS Number:

3844-45-9

Purity Limit:

≥ 85% (Dye content)

MDL NO:

MFCD00012141

Molecular Formula:

C₃₇H₃₄N₂O₉S₃·2Na

Molecular Weight:

792.86

Specification Sheet SDS
Rhodamine B

Synonym:

Rhodamine B chloride

Catalog Number:

01626

CAS Number:

81-88-9

MDL NO:

MFCD00011931

Molecular Formula:

C₂₈H₃₁ClN₂O₃

Molecular Weight:

479.02

Specification Sheet SDS
Fluorescein

Purity:

99 - 100% (Dye content)

Synonym:

CI 45350

Catalog Number:

00962

CAS Number:

2321-07-5

Purity Limit:

99 - 100% (Dye content)

MDL NO:

MFCD00005050

Molecular Formula:

C₂₀H₁₂O₅

Molecular Weight:

332.31

Specification Sheet SDS
Orcein (synthetic)

Synonym:

Natural red 28

Catalog Number:

00592

CAS Number:

1400-62-0

MDL NO:

MFCD00062310

Molecular Weight:

0.0

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
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
Lacmoid

Synonym:

CI 51400

Catalog Number:

22960

CAS Number:

33869-21-5

MDL NO:

MFCD00005035

Molecular Formula:

C₂₄H₁₆N₂O₆

Molecular Weight:

428.39

Specification Sheet SDS
Tartrazine

Purity:

≥ 85% (dye content)

Synonym:

3-Carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole trisodium salt

Catalog Number:

22937

CAS Number:

1934-21-0

Purity Limit:

≥ 85% (dye content)

MDL NO:

MFCD00148908

Molecular Formula:

C₁₆H₉N₄O₉S₂·3Na

Molecular Weight:

534.37

Specification Sheet SDS
Thionin acetate salt

Grade:

Certifiable Grade

Purity:

≥ 85% (Dye content)

Synonym:

3,7-Diamino-5-phenothiazinium acetate

Catalog Number:

22932

Grade:

Certifiable Grade

CAS Number:

78338-22-4

Purity Limit:

≥ 85% (Dye content)

MDL NO:

MFCD00081194

Molecular Formula:

C₁₂H₉N₃S · C₂H₄O₂

Molecular Weight:

287.34

Specification Sheet SDS
Eriochrome Cyanine R

Synonym:

Mordant Blue 3

Catalog Number:

22878

CAS Number:

3564-18-9

MDL NO:

MFCD00012411

Molecular Formula:

C₂₃H₁₅Na₃O₉S

Molecular Weight:

536.4

Specification Sheet SDS
Ethyl Violet

Purity:

≥ 93% (Dye content)

Synonym:

Basic Violet

Catalog Number:

22859

CAS Number:

2390-59-2

Purity Limit:

≥ 93% (Dye content)

MDL NO:

MFCD00011765

Molecular Formula:

C₃₁H₄₂N₃Cl

Molecular Weight:

492.15

Specification Sheet SDS
Nile Red

Synonym:

9-(Diethylamino)-5H-benzo[α]phenoxazin-5-one

Catalog Number:

22855

CAS Number:

7385-67-3

MDL NO:

MFCD00011639

Molecular Formula:

C₂₀H₁₈N₂O₂

Molecular Weight:

318.37

Specification Sheet SDS
Eosin B

Grade:

Certifiable Grade

Purity:

≥ 86% (Dye content)

Synonym:

4',5'-Dibromo-2',7'-dinitrofluorescein disodium salt

Catalog Number:

22817

Grade:

Certifiable Grade

CAS Number:

548-24-3

Purity Limit:

≥ 86% (Dye content)

MDL NO:

MFCD00005041

Molecular Formula:

C₂₀H₆Br₂N₂O₉·2Na

Molecular Weight:

624.06

Specification Sheet SDS
Tetrazolium blue chloride

Purity:

≥ 98% (HPLC)

Catalog Number:

21924

CAS Number:

1871-22-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00040933

Molecular Formula:

C₄₀H₃₂N₈O₂·2Cl

Molecular Weight:

727.65

Specification Sheet SDS
Acid fuchsin sodium salt, Certified

Grade:

Certifiable Grade

Purity:

≥ 90%

Synonym:

Acid violet 19

Catalog Number:

01606

Grade:

Certifiable Grade

CAS Number:

3244-88-0

Purity Limit:

≥ 90%

MDL NO:

MFCD00013286

Molecular Formula:

C₂₀H₁₇N₃O₉S₃Na₂

Molecular Weight:

585.5

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
Chrome yellow

Grade:

CI 14095

Purity:

≥ 96.5% (HPLC)

Synonym:

Mordant yellow 3

Catalog Number:

38621

Grade:

CI 14095

CAS Number:

6054-97-3

Purity Limit:

≥ 96.5% (HPLC)

MDL NO:

MFCD00021624

Molecular Formula:

C₁₇H₁₀N₂Na₂O₆S

Molecular Weight:

416.31

Specification Sheet SDS
Neutral red

Grade:

ACS reagent

Synonym:

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

Catalog Number:

30091

Grade:

ACS reagent

CAS Number:

553-24-2

MDL NO:

MFCD00012651

Molecular Formula:

C₁₅H₁₆N₄·HCl

Molecular Weight:

288.78

Specification Sheet SDS
Rose Bengal

Grade:

Certifiable Grade

Purity:

≥ 90% (Dye content)

Synonym:

Acid Red 9

Catalog Number:

22972

Grade:

Certifiable Grade

CAS Number:

632-69-9

Purity Limit:

≥ 90% (Dye content)

MDL NO:

MFCD00151169

Molecular Formula:

C₂₀H₂Cl₄I₄Na₂O₅

Molecular Weight:

1017.62

Specification Sheet SDS
Azure A

Purity:

Dye content : ≥ 97%

Synonym:

Azure A chloride salt

Catalog Number:

22963

CAS Number:

531-53-3

Purity Limit:

Dye content : ≥ 97%

MDL NO:

MFCD00012112

Molecular Formula:

C₁₄H₁₄N₃SCl

Molecular Weight:

291.81

Specification Sheet SDS
Patent Blue VF

Purity:

≥ 70% (Dye content)

Synonym:

Acid Blue 1

Catalog Number:

22953

CAS Number:

129-17-9

Purity Limit:

≥ 70% (Dye content)

MDL NO:

MFCD00012119

Molecular Formula:

C₂₇H₃₁N₂O₆S₂Na

Molecular Weight:

566.67

Specification Sheet SDS
New Methylene Blue N

Purity:

≥ 90% (Dye content)

Synonym:

Basic Blue 24

Catalog Number:

22927

CAS Number:

6586-05-6

Purity Limit:

≥ 90% (Dye content)

MDL NO:

MFCD00078135

Molecular Formula:

2C₁₈H₂₂N₃S·2Cl·ZnCl₂

Molecular Weight:

832.12

Specification Sheet SDS
Acriflavine hydrochloride

Hazmat

Purity:

98.5 - 105.0% (Assay : Anhydrous basis)

Synonym:

3,6-Diamino-10-methylacridinium chloride hydrochloride

Hazmat

Catalog Number:

22926

CAS Number:

8063-24-9, 69235-50-3

Purity Limit:

98.5 - 105.0% (Assay : Anhydrous basis)

MDL NO:

MFCD00069039

Molecular Formula:

C₁₄H₁₄N₃Cl

Molecular Weight:

259.74

Specification Sheet SDS
Patent Blue V sodium salt for Microscopy

Purity:

≥ 85% (Dye content)

Synonym:

Acid Blue 3

Catalog Number:

22906

CAS Number:

20262-76-4

Purity Limit:

≥ 85% (Dye content)

MDL NO:

MFCD09608138

Molecular Formula:

C₂₇H₃₁N₂O₇S₂Na

Molecular Weight:

582.7

Specification Sheet SDS
Acridine Orange hydrochloride hydrate

Purity:

≥ 99% (HPLC)

Synonym:

3,6-Bis(dimethylamino)acridine hydrochloride

Catalog Number:

22883

CAS Number:

65-61-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00150070

Molecular Formula:

C₁₇H₁₉N₃·HCl·xH₂O

Molecular Weight:

301.82

Specification Sheet SDS
Orange G

Grade:

Certifiable Grade

Purity:

≥ 97% (Dye content)

Synonym:

Acid Orange 10

Catalog Number:

22880

Grade:

Certifiable Grade

CAS Number:

1936-15-8

Purity Limit:

≥ 97% (Dye content)

MDL NO:

MFCD00012457

Molecular Formula:

C₁₆H₁₀N₂Na₂O₇S₂

Molecular Weight:

452.38

Specification Sheet SDS
Guinea Green B

Synonym:

Acid Green 3

Catalog Number:

22875

CAS Number:

4680-78-8

MDL NO:

MFCD00012122

Molecular Formula:

C₃₇H₃₅N₂O₆S₂Na

Molecular Weight:

690.81

Specification Sheet SDS
Victoria Blue R

Purity:

Dye content: ≥ 80%

Synonym:

Basic Blue 11

Catalog Number:

22862

CAS Number:

2185-86-6

Purity Limit:

Dye content: ≥ 80%

MDL NO:

MFCD00011876

Molecular Formula:

C₂₉H₃₂N₃Cl

Molecular Weight:

458.05

Specification Sheet SDS
Fast Garnet GBC Base

Purity:

≥ 97% (Assay)

Synonym:

Solvent Yellow 3

Catalog Number:

22843

CAS Number:

97-56-3

Purity Limit:

≥ 97% (Assay)

MDL NO:

MFCD00007733

Molecular Formula:

C₁₄H₁₅N₃

Molecular Weight:

225.29

Specification Sheet SDS
Calconcarboxylic acid

Catalog Number:

22811

CAS Number:

3737-95-9

MDL NO:

MFCD00004078

Molecular Formula:

C₂₁H₁₄N₂O₇S

Molecular Weight:

438.42

Specification Sheet SDS
Biebrich scarlet sodium salt

Purity:

≥ 70% (Dye content)

Synonym:

Acid Red 66

Catalog Number:

22794

CAS Number:

4196-99-0

Purity Limit:

≥ 70% (Dye content)

MDL NO:

MFCD00003891

Molecular Formula:

C₂₂H₁₄N₄O₇S₂·2Na

Molecular Weight:

556.49

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
Acid Green 25

Purity:

≥ 96% (Dye content)

Synonym:

Alizarian Cyamine Green B

Catalog Number:

22769

CAS Number:

4403-90-1

Purity Limit:

≥ 96% (Dye content)

MDL NO:

MFCD00001193

Molecular Formula:

C₂₈H₂₀N₂Na₂O₈S₂

Molecular Weight:

622.58

Specification Sheet SDS
Reactive Blue 4

Purity:

≥ 30% (Assay)

Synonym:

CI 61205

Catalog Number:

22774

CAS Number:

13324-20-4

Purity Limit:

≥ 30% (Assay)

MDL NO:

MFCD00001218

Molecular Formula:

C₂₃H₁₄Cl₂N₆O₈S₂

Molecular Weight:

637.44

Specification Sheet SDS
Oil Red O

Grade:

Certifiable Grade

Purity:

≥ 99.5% (Dye content)

Synonym:

1-[(4-{Xylylazo}xylyl)azo]-2-naphthol

Catalog Number:

01794

Grade:

Certifiable Grade

CAS Number:

1320-06-5

Purity Limit:

≥ 99.5% (Dye content)

MDL NO:

MFCD00003898

Molecular Formula:

C₂₆H₂₄N₄O

Molecular Weight:

408.51

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
Thymol blue

Grade:

ACS reagent

Synonym:

Thymolsulfonphthalein

Catalog Number:

01268

Grade:

ACS reagent

CAS Number:

76-61-9

MDL NO:

MFCD00005869

Molecular Formula:

C₂₇H₃₀O₅S

Molecular Weight:

466.6

Specification Sheet SDS
Phloxine B

Grade:

Certifiable Grade

Purity:

≥ 92.5% (Dye content)

Synonym:

Cyanosine

Catalog Number:

00803

Grade:

Certifiable Grade

CAS Number:

18472-87-2

Purity Limit:

≥ 92.5% (Dye content)

MDL NO:

MFCD00070627

Molecular Formula:

C₂₀H₂Br₄Cl₄O₅Na₂

Molecular Weight:

829.6

Specification Sheet SDS
Bromocresol green sodium salt

Grade:

ACS reagent

Synonym:

3',3,5',5-Tetrabromo-3-cresolsulfonephthalein sodium salt

Catalog Number:

00043

Grade:

ACS reagent

CAS Number:

62625-32-5

MDL NO:

MFCD00148898

Molecular Formula:

C₂₁H₁₃Br₄O₅SNa

Molecular Weight:

720.02

Specification Sheet SDS

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