Terteriary Colors Stains and Dyes and Indicators

New Fuchsin, ACROS Organics™

Chemical Name or Material: New Fuchsin CAS: 3248-91-7 Molecular Formula: C22H23N3·HCl Formula Weight: 365.89 MDL Number: MFCD00012567 Synonym: Basic Violet 2

orcein, ACROS Organics™

Chemical Name or Material: orcein CAS: 1400-62-0 Purity Grade: Extra Pure MDL Number: MFCD00062310 Synonym: Natural Red 28

Alizarin 97%, ACROS Organics™

Chemical Name or Material: Alizarin Name Note: 97% CAS: 72-48-0 CAS Min %: 96.0 CAS Max %: 100.0 Purity Grade: Pure Assay Percent Range: 97% Molecular Formula: C14H8O4 Formula Weight: 240.21 MDL Number: MFCD00001201 Synonym: 1, 2-Dihydroxyanthraquinone

Phenolphthalein in IPA Solution Products for Science Education

Chemical Name or Material: Phenolphthalein in IPA Solution CAS: 67-63-0 CAS: 77-09-8 CAS: 7732-18-5

2',7'-Dichlorofluorescein, pure, ACROS Organics™

Chemical Name or Material: 2', 7'-Dichlorofluorescein CAS: 76-54-0 Purity Grade: Extra Pure Molecular Formula: C20H10Cl2O5 Formula Weight: 401.2 MDL Number: MFCD00005047 Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one

Xylene Cyanol FF 85%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Xylene cyanol Name Note: 85% CAS: 4463-44-9 Purity Grade: Extra Pure Molecular Formula: C25H27N2NaO7S2 Formula Weight: 554.61 MDL Number: MFCD00019481 Synonym: C.I. 43535

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

Chemical Name or Material: Rhodamine B CAS: 81-88-9 Purity Grade: Pure Molecular Formula: C28H31ClN2O3 Formula Weight: 479.01 MDL Number: MFCD00011931 Synonym: Basic Violet 10

o-Cresolphthalein Complexone, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: o-Cresolphthalein Complexone Name Note: Pure CAS: 2411-89-4 Purity Grade: Pure Molecular Formula: C32H32N2O12 Formula Weight: 636.6 MDL Number: MFCD00005911 Synonym: Phthalein Complexon

Ninhydrin, Reagent ACS, ACROS Organics™

Chemical Name or Material: Ninhydrin CAS: 485-47-2 Purity Grade: ACS Reagent Grade Molecular Formula: C9H6O4 Formula Weight: 178.14 MDL Number: MFCD00003791 Synonym: 1, 2, 3-Indantrione

Rhodamine 6G, 99%, pure, laser grade, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine 6G CAS: 989-38-8 Purity Grade: Laser Grade Assay Percent Range: 99% Molecular Formula: C28H31ClN2O3 Formula Weight: 479.02 MDL Number: MFCD00012665 Synonym: Basic Red 1

Indicator Solution, Universal Products for Science Education

Chemical Name or Material: Universal Indicator Solution CAS: 34722-90-2 CAS: 64-17-5 CAS: 547-58-0 CAS: 845-10-3 CAS: 518-51-4 Assay Percent Range: <0.2% w/v Synonym: Universal pH Indicator

2',7'-Dichlorofluorescein, ACS reagent, ACROS Organics™

Chemical Name or Material: 2', 7'-Dichlorofluorescein CAS: 76-54-0 Purity Grade: ACS Reagent Grade Molecular Formula: C20H10Cl2O5 Formula Weight: 401.2 Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one

Rhodamine 6G, pure, ACROS Organics™

Chemical Name or Material: Rhodamine 6G CAS: 989-38-8 Purity Grade: Pure Molecular Formula: C28H31ClN2O3 Formula Weight: 479.01 MDL Number: MFCD00012665 Synonym: Basic Red 1

Carbol Fuchsin, pure, ACROS Organics™

Chemical Name or Material: Carbol Fuchsin Name Note: A mixture of Basic Fuchsin and phenol. CAS: 4197-24-4 Purity Grade: Pure MDL Number: MFCD00143923

Dansyl Chloride 98%, ACROS Organics™

Chemical Name or Material: Dansyl chloride Name Note: 98% CAS: 605-65-2 Assay: ≥97.5% (HPLC) Assay Percent Range: 98% Molecular Formula: C12H12ClNO2S Formula Weight: 269.75 MDL Number: MFCD00003985 Synonym: 5-Dimethylamino-1-naphthalenesulfonyl chloride

Rhodamine B, Fisher Chemical

Chemical Name or Material: Rhodamine B CAS: 81-88-9 Molecular Formula: C28H31 ClN2O3 Formula Weight: 479 MDL Number: MFCD00011931 Synonym: Tetraethylrhodamine

Tetrabromophenolphthalein Ethyl Ester, Potassium Salt, Indicator Grade, ACROS Organics™

Chemical Name or Material: Tetrabromophenolphthalein ethyl ester, potassium salt CAS: 62637-91-6 Purity Grade: Extra Pure Molecular Formula: C22H13Br4KO4 Formula Weight: 700.05 MDL Number: MFCD00011662

Rose Bengal, 85%, pure, high purity, Biological stain, ACROS Organics™

Chemical Name or Material: Rose Bengal CAS: 632-69-9 Purity Grade: Pure Assay Percent Range: 85% Molecular Formula: C20H2Cl4I4Na2O5 Formula Weight: 1017.65 MDL Number: MFCD00005043 Synonym: Acid Red 94

Ninhydrin, ozone friendly ready to use spray for TLC, ACROS Organics™

Chemical Name or Material: Ninhydrin CAS: 485-47-2 CAS: 106-97-8 CAS: 106-97-8 CAS: 74-98-6 CAS: 71-36-3 MDL Number: MFCD00003791

α-Naphtholphthalein, pure, indicator, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: α-Naphtholphthalein CAS: 596-01-0 Purity Grade: Extra Pure Molecular Formula: C28H18O4 Formula Weight: 418.45 MDL Number: MFCD00036202

Acid Fuchsin, pure, high purity biological stain, ACROS Organics™

Chemical Name or Material: Acid Fuchsin CAS: 3244-88-0 Purity Grade: Pure Molecular Formula: C20H17N3Na2O9S3 Formula Weight: 585.52 MDL Number: MFCD00013286 Synonym: Acid Violet 19

Coumarin 314, 99%, pure, laser grade, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Coumarin 314 CAS: 55804-66-5 Purity Grade: Laser Grade Assay Percent Range: 99% Molecular Formula: C18H19NO4 Formula Weight: 313.35 MDL Number: MFCD00051334 Synonym: 1,2,4,5,3H,6H,10H-Tetrahydro-9-carbethoxy[1]benzopyrano(9,9a,1-gh)-quinolizin-10-one

Ponceau S, pure, ACROS Organics™

Chemical Name or Material: Ponceau S CAS: 6226-79-5 Purity Grade: Pure Molecular Formula: C22H12N4Na4O13S4 Formula Weight: 760.54 MDL Number: MFCD00003892 Synonym: 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt

Coumarin, 99+%, ACROS Organics™

Chemical Name or Material: Coumarin Name Note: 99+% CAS: 91-64-5 Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C9H6O2 Formula Weight: 146.15 MDL Number: MFCD00006850 Synonym: 2H-1-Benzopyran-2-one

Hematoxylin, Certified 90%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Hematoxylin CAS: 517-28-2 Purity Grade: Pure Assay Percent Range: 85% Molecular Formula: C16H14O6·xH2O Formula Weight: 302.27 Synonym: C.I. 75290

Wright Stain, pure, certified, ACROS Organics™

Chemical Name or Material: Wright Stain Name Note: Pure CAS: 68988-92-1 Purity Grade: Pure MDL Number: MFCD00082143

Rhodamine 6G Perchlorate Laser Grade, 99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine 6G perchlorate Name Note: laser grade, 99% CAS: 13161-28-9 Purity Grade: Pure Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C28H31ClN2O7 Formula Weight: 543.01 MDL Number: MFCD00013117

Tiron, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Tiron™ CAS: 149-45-1 Molecular Formula: C6H4Na2O8S2·H2O Linear Formula: (HO)2C6H2(SO3Na)2·H2O Formula Weight: 332.21 MDL Number: MFCD00149531 Synonym: 4,5-Dihydroxy-1,3-benzenedisulfonic acid, disodium salt monohydrate

Leishman stain, pure, ACROS Organics™

Chemical Name or Material: Leishman stain CAS: 12627-53-1 Purity Grade: Pure MDL Number: MFCD00131498 Synonym: Eosin Methylene Blue according to Leishman

Rhodamine 123, +99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine 123 Name Note: 99+% CAS: 62669-70-9 Purity Grade: Extra Pure Assay Percent Range: 99+% Molecular Formula: C21H17ClN2O3 Formula Weight: 380.82 MDL Number: MFCD00012664

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