Terteriary Colors Stains Dyes and Indicators

Safranin O (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Safranin O CAS: 477-73-6 Purity Grade: Certified Biological Stain Molecular Formula: C20H19ClN4 Formula Weight: 350.85 MDL Number: MFCD00011759 Synonym: Basic Red 2

Fluorescein, ACROS Organics™

Chemical Name or Material: Fluorescein CAS: 2321-07-5 Purity Grade: Pure Molecular Formula: C20H12O5 Formula Weight: 332.3 MDL Number: MFCD00005050

Carbol Fuchsin Solution, 0.3% Products for Science Education

Chemical Name or Material: Carbol Fuchsin Solution, 0.3% CAS: 632-99-5 CAS: 64-17-5 CAS: 108-95-2 CAS: 7732-18-5 Assay Percent Range: <0.3% Synonym: Ziehl-Neelsen

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

Litmus Products for Science Education

Chemical Name or Material: Litmus CAS: 1393-92-6 Assay Percent Range: >99% w/v Formula Weight: ≈3300

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

Aluminon, ACROS Organics™

Chemical Name or Material: Aluminon CAS: 569-58-4 Molecular Formula: C22H23N3O9 Formula Weight: 473.44 MDL Number: MFCD00040925 Synonym: Aurintricarboxylic acid, triammonium salt

Loading Dye 10X Products for Science Education

Chemical Name or Material: Loading Dye 10X CAS: 62625-28-9 CAS: 77-86-1 CAS: 57-5-1 CAS: 7732-18-5

Litmus Solution, 0.5% Products for Science Education

Chemical Name or Material: Litmus Solution, 0.5% CAS: 1393-92-6 CAS: 7732-18-5 Assay Percent Range: 0.5% w/v

D-Luciferin sodium salt monohydrate, 98+%, ACROS Organics™

Chemical Name or Material: D-Luciferin sodium salt monohydrate CAS: 103404-75-7 Assay: ≥98.0% Assay Percent Range: 98+% Molecular Formula: C11H7N2NaO3S2·H2O Formula Weight: 320.32 MDL Number: MFCD11865368 Synonym: Firefly Luciferin monosodium salt monohydrate

Sudan IV Products for Science Education

Chemical Name or Material: Sudan IV CAS: 85-83-6 Physical Form: Powder Assay Percent Range: 99.95% w/v Linear Formula: S Formula Weight: 380.17 Synonym: Fast Oil Red B

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

Ninhydrin, spectrophotometric grade, ACROS Organics™

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

Phenolphthalein, Indicator, ACROS Organics™

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Purity Grade: Pure Assay: 98.0 to 102.0% Assay Percent Range: 98.5% Molecular Formula: C20H14O4 Formula Weight: 318.32 MDL Number: MFCD00005913

Chromoxane Cyanine R, pure, ACROS Organics™

Chemical Name or Material: Chromoxane Cyanine R CAS: 3564-18-9 Purity Grade: Extra Pure Molecular Formula: C23H15Na3O9S Formula Weight: 536.39 MDL Number: MFCD00012411 Synonym: C.I. 43820

Thionin Products for Science Education

Chemical Name or Material: Thionin CAS: 581-64-6 Assay Percent Range: >85% w/v Formula Weight: 263.74 Synonym: 3, 7-Diaminophenothiazin-5-ium Chloride

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

Phenolphthalein, For analysis ACS, ACROS Organics™

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Purity Grade: ACS Reagent Grade Molecular Formula: C20H14O4 Formula Weight: 318.32 MDL Number: MFCD00005913

Coumarin 343, Laser Grade, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Coumarin 343 CAS: 55804-65-4 Purity Grade: Pure Molecular Formula: C16H15NO4 Formula Weight: 285.29 MDL Number: MFCD00051335

Nigrosine, pure, water soluble, ACROS Organics™

Chemical Name or Material: Nigrosine Name Note: pract. CAS: 2229872 Purity Grade: Pure MDL Number: MFCD00044681 Synonym: Acid Black 2

Thymolphthalein, Indicator, Pure, ACROS Organics™

Chemical Name or Material: Thymolphthalein Name Note: Indicator CAS: 125-20-2 Purity Grade: Extra Pure Molecular Formula: C28H30O4 Formula Weight: 430.53 MDL Number: MFCD00005909 Synonym: TP

Hematoxylin Products for Science Education

Chemical Name or Material: Hematoxylin CAS: 517-28-2 Linear Formula: C16H14O6 Formula Weight: 302.27 Synonym: Hematoxiline

Azomethine-H hydrate, Alfa Aesar

Chemical Name or Material: Azomethine-H Name Note: hydrate CAS: 32266-60-7 Physical Form: Crystalline Molecular Formula: C17H13NO8S2·XH<cms Formula Weight: 423.40 (Anhydrous)

Methyl Viologen hydrate, 98%, ACROS Organics™

Chemical Name or Material: Methyl Viologen hydrate Name Note: 98% CAS: 1910-42-5 Assay: ≥97.5% (on dry substance) Assay Percent Range: 98% Molecular Formula: C12H14Cl2N2·xH2O Formula Weight: 257.15 MDL Number: MFCD00150001 Synonym: Paraquat, dichloride

Resazurin, Alfa Aesar

Chemical Name or Material: Resazurin CAS: 62758-13-8 Molecular Formula: C12H6NNaO4 Formula Weight: 251.18

Phenolphthalein Stock Solution, Fisher Chemical

Chemical Name or Material: Phenolphthalein Stock Solution CAS: 7732-18-5 CAS Min %: 52.0 CAS Max %: 55.0 CAS: 64-17-5 CAS Min %: 43.0 CAS Max %: 44.0 CAS: 67-56-1 CAS Min %: 2.0 CAS Max %: 3.0 CAS: 67-63-0 CAS Min %: 2.0 CAS Max %: 3.0 CAS: 77-09-8 CAS Min %: 0.01 CAS Max %: 0.01

Fluorescein Isothiocyanate Isomer I, 90%, Pure, ACROS Organics™

Chemical Name or Material: Fluorescein isothiocyanate isomer I CAS: 3326-32-7 Purity Grade: Pure Assay: ≥88% (HPLC) Assay Percent Range: 90% Molecular Formula: C21H11NO5S Formula Weight: 389.38 MDL Number: MFCD00005063 Synonym: 5-FITC

Coumarin 6, Laser Grade 98%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Coumarin 6 Name Note: 98% CAS: 38215-36-0 Purity Grade: Extra Pure Assay Percent Range: 98% Molecular Formula: C20H18N2O2S Formula Weight: 350.44 MDL Number: MFCD00041869 Synonym: 3-(2'-Benzothiazolyl)-7-diethylaminocoumarin

Thyodene™ (Starch Soluble) Indicator, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Thyodene™ Indicator CAS: 9005-84-9 Molecular Formula: C6H10O5X MDL Number: MFCD00082026 Synonym: Starch, Soluble

Carmine, High Purity Biological Stain (Alum Lake of Carminic Acid), ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Carmine CAS: 1390-65-4 Purity Grade: Pure Assay: ≥42.0% (carminic acid) MDL Number: MFCD00167031 Synonym: C.I. 75470

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