Red Stains Dyes and Indicators

Alizarin Red S, pure, certified, ACROS Organics™

Chemical Name or Material: Alizarin Red S CAS: 130-22-3 Purity Grade: Pure Molecular Formula: C14H7NaO7S Formula Weight: 342.26 MDL Number: MFCD00013049 Synonym: 9, 10-Dihydro-3, 4-dihydroxy-9

Phenolphthalein, ACS

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Name Note: For analysis ACS Purity Grade: ACS Grade Molecular Formula: C20H14O4 Formula Weight: 318.33 MDL Number: MFCD00005913 Beilstein: 284423 Merck Index: 14,7243

Phenol Red, Indicator, ACROS Organics™

Chemical Name or Material: Phenol Red CAS: 143-74-8 Purity Grade: Extra Pure Molecular Formula: C19H14O5S Formula Weight: 354.38 MDL Number: MFCD00003552 Synonym: Phenolsulfonephthalein

Eosin Y, 1% Solution in Water, ACROS Organics™

Chemical Name or Material: Eosin Y CAS: 17372-87-1 Molecular Formula: C20H6Br4Na2O5 Formula Weight: 691.85 MDL Number: MFCD00005040 Synonym: 2', 4', 5'

Sudan Red 7B, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sudan red 7B CAS: 6368-72-5 Molecular Formula: C24H21N5 Formula Weight: 379.45 MDL Number: MFCD00003904 Synonym: C.I. 26050

Eosin Y, pure, certified, ACROS Organics™

Chemical Name or Material: Eosin Y CAS: 17372-87-1 Purity Grade: Pure Molecular Formula: C20H6Br4Na2O5 Formula Weight: 691.85 MDL Number: MFCD00005040 Synonym: 2', 4', 5'

Methyl Red Indicator Solution, 0.02% Products for Science Education

Chemical Name or Material: Methyl Red Indicator Solution, 0.02% CAS: 845-10-3 Linear Formula: C15H14N3O2Na Formula Weight: 291.28 Synonym: Methyl Red In Alcohol

Phenol Red sodium salt, ACS reagent, ACROS Organics™

Chemical Name or Material: Phenol Red sodium salt CAS: 34487-61-1 Purity Grade: ACS Reagent Grade Molecular Formula: C19H13NaO5S Formula Weight: 376.35 MDL Number: MFCD00066901

Eosin Y, pure, high purity, biological stain, ACROS Organics™

Chemical Name or Material: Eosin Y Name Note: High purity biological stain CAS: 17372-87-1 Purity Grade: Pure Molecular Formula: C20H6Br4Na2O5 Formula Weight: 691.85 MDL Number: MFCD00005040 Synonym: 2', 4', 5'

Methyl Red, pure, indicator, ACROS Organics™

Chemical Name or Material: Methyl Red CAS: 493-52-7 Purity Grade: Pure Molecular Formula: C15H15N3O2 Linear Formula: (CH3)2NC6H4N=NC6H4CO2H Formula Weight: 269.3 Synonym: 2-[4-(Dimethylamino)phenylazo]benzoic acid

Erythrosin B, pure, certified, ACROS Organics™

Chemical Name or Material: Erythrosin B Name Note: Pure CAS: 16423-68-0 Purity Grade: Pure Molecular Formula: C20H6I4Na2O5 Formula Weight: 879.85 MDL Number: MFCD00144257 Synonym: Acid Red 51

Eosin B, pure, high purity, biological stain, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Eosin B CAS: 548-24-3 Purity Grade: Pure Molecular Formula: C20H6Br2N2Na2O9 Formula Weight: 624.06 MDL Number: MFCD00005041 Synonym: 4', 5'-Dibromo-2', 7'-dinitrofluorescein

Eosin Y (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Eosin Y CAS: 17372-87-1 Purity Grade: Certified Biological Stain Molecular Formula: C20H8Br4O5 · 2 Na Formula Weight: 691.85 MDL Number: MFCD00005040 Synonym: Acid Red 87

Eosin Y, 0.25% Alcoholic, Fisher Chemical

Chemical Name or Material: Eosin Y, Alcoholic Name Note: 0.25% Solution CAS: 64-17-5 CAS: 67-63-0 CAS: 67-56-1 CAS: 17372-87-1 CAS: 7732-18-5 MDL Number: MFCD00036189 Synonym: Acid Red 87

Phenol Red Indicator Solution, 0.02% w/v Products for Science Education

Chemical Name or Material: Phenol Red Indicator Solution, 0.02% w/v CAS: 34487-61-1 Assay Percent Range: 97 to 100% Linear Formula: C19H13NaO5S Formula Weight: 376.36 Synonym: Phenolsulfonephthalein Sodium Salt

Ruthenium Red tetrahydrate, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Ruthenium red tetrahydrate Name Note: Pure CAS: 12790-48-6 Purity Grade: Extra Pure Assay: 34.6 to 36.1% (ruthenium) Molecular Formula: Cl6H42N14O2Ru3·4H2O Linear Formula: {(NH3)5Ruoru(NH3)4oru(NH3)5}Cl6·4H2O Formula Weight: 858.35 MDL Number: MFCD00167176

Thymolphthalein, 0.05% w/v solution in ethanol, Alfa Aesar™

Chemical Name or Material: Thymolphthalein Name Note: 0.05% w/v solution in ethanol CAS: 125-20-2 Physical Form: Liquid Molecular Formula: C28H30O4 Formula Weight: 430.55 MDL Number: MFCD00005909

Eosin Y, pure, Indicator grade, ACROS Organics™

Chemical Name or Material: Eosin Y CAS: 17372-87-1 Purity Grade: Pure Molecular Formula: C20H6Br4Na2O5 Formula Weight: 691.85 MDL Number: MFCD00005040 Synonym: 2';, 4';, 5';

Methyl Red, sodium salt, indicator, pure, ACROS Organics™

Chemical Name or Material: Methyl Red, sodium salt Name Note: pure CAS: 845-10-3 Purity Grade: Extra Pure Molecular Formula: C15H14N3NaO2 Linear Formula: (CH3)2NC6H4N=NC6H4CO2Na Formula Weight: 291.27 MDL Number: MFCD00002426 Synonym: 2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt

Chlorophenol Red, Water Soluble, ACROS Organics™

Chemical Name or Material: Chlorophenol Red, sodium salt CAS: 123333-64-2 Purity Grade: Pure Molecular Formula: C19H11Cl2NaO5S Formula Weight: 445.25 Synonym: 3', 3''-Dichlorophenolsulfonephthalein, sodium salt

Methyl Red, ACS, Alfa Aesar™

Chemical Name or Material: Methyl Red Name Note: For analysis ACS CAS: 493-52-7 Purity Grade: ACS Grade Physical Form: Crystalline Molecular Formula: C15H15N3O2 Formula Weight: 269.3 MDL Number: MFCD00002425 Synonym: C.I. 13020

Congo Red, Indicator grade, ACROS Organics™

Chemical Name or Material: Congo Red CAS: 573-58-0 Purity Grade: Indicator Grade Molecular Formula: C32H22N6Na2O6S2 Formula Weight: 696.66 MDL Number: MFCD00004028 Synonym: C.I. 22120

Direct Red 80

Chemical Name or Material: Direct Red 80 CAS: 2610-10-8 Molecular Formula: C45H32N10O21S6 Formula Weight: 1373.09 MDL Number: MFCD00054389

Alizarin Red S, FSE Products for Science Education

Chemical Name or Material: Alizarin Red S CAS: 130-22-3 Molecular Formula: C14H7NaO7S Linear Formula: C14H7NaO7S Formula Weight: 342.26 Synonym: Mordant Red 3

Methyl Red, Sodium Salt (Certified ACS), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Methyl Red, Sodium Salt CAS: 845-10-3 Purity Grade: Certified ACS Grade Molecular Formula: C15H14N3O2Na Linear Formula: 4-(CH3)2NC6H4-N:N-2-(CO2Na)C6H4 Formula Weight: 291.28 MDL Number: MFCD00002426 Synonym: Acid Red 2, Sodium Salt

Para Red, Dye Content ca 95%, ACROS Organics™

Chemical Name or Material: Para Red CAS: 1647520 Purity Grade: Extra Pure Molecular Formula: C16H11N3O3 Formula Weight: 293.27 MDL Number: MFCD00003908 Synonym: 1-(4-Nitrophenylazo)-2-naphthol

Bordeaux R, pure, ACROS Organics™

Chemical Name or Material: Bordeaux R CAS: 5858-33-3 Purity Grade: Pure Molecular Formula: C20H12N2Na2O7S2 Formula Weight: 502.41 MDL Number: MFCD00003887 Synonym: 3-Hydroxy-4-(1-naphthylazo)-2, 7-naphthalenedisulfonic acid, disodium salt

Methyl Red Sodium Salt, Reagent ACS, ACROS Organics™

Chemical Name or Material: Methyl Red, sodium salt Name Note: Pure CAS: 845-10-3 Purity Grade: ACS Reagent Grade Molecular Formula: C15H14N3NaO2 Linear Formula: (CH3)2NC6H4N=NC6H4CO2Na Formula Weight: 291.27 MDL Number: MFCD00002426 Synonym: 2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt

Neutral Red, ACROS Organics™

Chemical Name or Material: Neutral Red Name Note: Pure CAS: 553-24-2 Purity Grade: Extra Pure Molecular Formula: C15H17ClN4 Formula Weight: 288.77 MDL Number: MFCD00012651 Synonym: 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride

Eosin Y (1% Solution in Water), Fisher Chemical

Chemical Name or Material: Eosin Y, 1% Solution in Water CAS: 17372-87-1 CAS: 7732-18-5 MDL Number: MFCD00005040

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