Stains Dyes and Indicators

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

Phenolphthalein Solution, Alcoholic 0.5%, Fisher Chemical

Chemical Name or Material: Phenolphthalein Solution, Alcoholic 0.5% CAS: 67-63-0 CAS: 77-09-8 CAS: 7732-18-5 Assay Percent Range: 0.5% MDL Number: MFCD00005913

Methylene Blue, 1% w/v aqueous solution, Alfa Aesar™

Chemical Name or Material: Methylene Blue CAS: 122965-43-9 CAS: 7732-18-5 Physical Form: Liquid Assay Percent Range: 1% w/v aqueous solution Molecular Formula: C16H18ClN3S Formula Weight: 319.86 MDL Number: MFCD00012111

Thermo Scientific™ Richard-Allan Scientific™ Wright Stain Available on GSA/VA Contract for Federal Government customers only.

Utilize Thermo Scientific™ Richard-Allan Scientific™ Wright Stain for peripheral blood and bone marrow smears.

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

Litmus Products for Science Education

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

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

Xylene Cyanole FF, ACROS Organics™

Chemical Name or Material: Xylene Cyanole FF CAS: 2650-17-1 Molecular Formula: C25H27N2NaO6S2 Formula Weight: 538.61 MDL Number: MFCD00040657

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

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'

Wright' Stain (Powder/Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Wright«s Stain CAS: 68998-92-1 Purity Grade: Certified Biological Stain Physical Form: Solid MDL Number: MFCD00082143

Phenolphthalein Solution, Alcoholic, 1.0%, Fisher Chemical

Chemical Name or Material: Phenolphthalein Solution, Alcoholic 1.0% CAS: 77-09-8 CAS: 67-63-0 MDL Number: MFCD00005913

Bromothymol Blue, Pure, Conform to ACS, ACROS Organics™

Chemical Name or Material: Bromothymol Blue Name Note: Pure CAS: 76-59-5 Purity Grade: ACS Reagent Grade Molecular Formula: C27H28Br2O5S Formula Weight: 624.38 MDL Number: MFCD00005872 Synonym: 3';, 3';';-Dibromothymolsulfonephthalein

Methylene Blue, pure, certified, ACROS Organics™

Chemical Name or Material: Methylene Blue CAS: 61-73-4 Purity Grade: Pure Molecular Formula: C16H18ClN3S Formula Weight: 319.85 MDL Number: MFCD00012111 Synonym: Basic Blue 9

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

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

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

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

Bromothymol Blue, sodium salt, pure, water soluble, indicator, ACROS Organics™

Chemical Name or Material: Bromothymol Blue, sodium salt CAS: 34722-90-2 Purity Grade: Pure Molecular Formula: C27H27Br2NaO5S Formula Weight: 646.35 MDL Number: MFCD00077263 Synonym: 3', 3''-Dibromothymolsulfonephthalein, sodium salt

Calmagite, Indicator Grade, Pure, ACROS Organics™

Chemical Name or Material: Calmagite CAS: 3147-14-6 Purity Grade: Extra Pure Molecular Formula: C17H14N2O5S Formula Weight: 358.38 MDL Number: MFCD00011656 Synonym: 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)-1-naphthalenesulfonic acid

Indigo, synthetic, ACROS Organics™

Chemical Name or Material: Indigo Name Note: synthetic CAS: 482-89-3 Molecular Formula: C16H10N2O2 Formula Weight: 262.26 MDL Number: MFCD00005722 Synonym: C.I. 73000

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

Rhodamine 101 Inner Salt 99%, ACROS Organics™

Chemical Name or Material: Rhodamine 101 inner salt Name Note: 99% CAS: 116450-56-7 Purity Grade: Pure Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C32H30N2O3 Formula Weight: 490.59 MDL Number: MFCD00051383

Crystal Violet, Certified Biological Stain Products for Science Education

Chemical Name or Material: Crystal Violet, Certified Biological Stain CAS: 548-62-9 Linear Formula: C25H30ClN3 Formula Weight: 408 Synonym: Gentian Violet

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

Quinaldine red, pure, ACROS Organics™

Chemical Name or Material: Quinaldine red Name Note: Pure CAS: 117-92-0 Purity Grade: Pure Molecular Formula: C21H23IN2 Formula Weight: 430.32 MDL Number: MFCD00011968 Synonym: 2-[4-(Dimethylamino)styryl]-1-ethylquinolinium iodide

Phenol Red, ACROS Organics™

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

Congo Red, Biological Stain, pH Indicator Products for Science Education

Chemical Name or Material: Congo Red, Biological Stain, pH Indicator CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Linear Formula: C32H22N6Na2O6S2 Formula Weight: 696.67 Synonym: C.I. Direct Red 28

Crystal Violet, certified, ACROS Organics™

Chemical Name or Material: Crystal Violet CAS: 548-62-9 CAS: 90-94-8 Purity Grade: Certified Grade Molecular Formula: C25H30ClN3 Formula Weight: 407.99 MDL Number: MFCD00011750 Synonym: Basic Violet 3

Thermo Scientific™ Shandon™ CytoRich™ Red Collection Fluid Available on GSA/VA Contract for Federal Government customers only.

Allow for more accurate evaluation of cytological features with Thermo Scientific™ Shandon™ CytoRich™ Red Collection Fluid, which lyses RBCs and solubilizes proteins.

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