Terteriary Colors Stains Dyes and Indicators

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

Chemical Name or Material: Pyronin Y Name Note: Pure CAS: 92-32-0 Purity Grade: Pure Molecular Formula: C17H19ClN2O Formula Weight: 302.79 MDL Number: MFCD00011725 Synonym: C.I. 45005

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

Resazurin, sodium salt, pure, high purity biological stain, ACROS Organics™

Chemical Name or Material: Resazurin, sodium salt CAS: 62758-13-8 Purity Grade: Pure Molecular Formula: C12H6NNaO4 Formula Weight: 251.17 MDL Number: MFCD00005036 Synonym: 7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt

Carminic acid, 70-90%, ACROS Organics™

Chemical Name or Material: Carminic acid Name Note: 70-90% CAS: 1260-17-9 Assay: ≥70% Assay Percent Range: 70-90% Molecular Formula: C22H20O13 Formula Weight: 492.39 MDL Number: MFCD00167028 Synonym: C.I. 75470

Phenolphthalein Disulfate, Tripotassium Salt Trihydrate, 98%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Phenolphthalein disulfate, tripotassium salt trihydrate CAS: 62625-16-5 Purity Grade: Extra Pure Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C20H13K3O11S2·3H2O Formula Weight: 664.78 MDL Number: MFCD00150195

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 Formula Weight: Mixture

2,6-Dichloroindophenol, Sodium Salt Hydrate, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 2, 6-Dichloroindophenol, sodium salt hydrate Assay: ≥98.0% (on dry substance) (Total base) Assay Percent Range: 98+% Molecular Formula: C12H6Cl2NNaO2·xH2O Formula Weight: 290.07 Synonym: Tillman's reagent hydrate

Giemsa Stain (Powder/Certified Biological Stain), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Giemsa Stain CAS: 51811-82-6 Purity Grade: Certified Biological Stain Physical Form: Solid MDL Number: MFCD00081642

Protein Gel Loading Dye, 2x, ACROS Organics™

Chemical Name or Material: Protein gel loading dye

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

Litmus Products for Science Education

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

Copper phthalocyanine, dye content ca 95%, ACROS Organics™

Chemical Name or Material: Copper phthalocyanine Name Note: dye content ca 95% CAS: 147-14-8 Assay: ≥94% (ex Cu) Molecular Formula: C32H16CuN8 Formula Weight: 576.08 MDL Number: MFCD00010719 Synonym: C.I. 74160

May-Gruenwald Stain, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: May-Gruenwald Stain, pure Purity Grade: Extra Pure MDL Number: MFCD00131580

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

Sucrose gel loading dye, 5x, ACROS Organics™

Chemical Name or Material: Sucrose gel loading dye CAS: 57-50-1

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

Stains-all, 97%, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Stains-all Name Note: 97% CAS: 7423-31-6 Purity Grade: Pure Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C30H27BrN2S2 Formula Weight: 559.59 MDL Number: MFCD00078788 Synonym: 1-Ethyl-2-[3-(1-ethylnaphtho[1, 2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1, 2-d]thiazolium bromide

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

Tropaeolin O, pure, ACROS Organics™

Chemical Name or Material: Tropaeolin O CAS: 547-57-9 Purity Grade: Extra Pure Molecular Formula: C12H9N2NaO5S Formula Weight: 316.26 MDL Number: MFCD00007499 Synonym: 4-(2, 4-Dihydroxyphenylazo)benzenesulfonic acid, sodium salt

Hematoxylin, 85%, pure, 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 MDL Number: MFCD00078111 Synonym: C.I. 75290

Sudan III, 0.2% in Alcohol Solution Products for Science Education

Chemical Name or Material: Sudan III, 0.2% in Alcohol Solution CAS: 67-63-0 CAS: 85-86-9 Assay Percent Range: 99.8% w/v

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

Phenolphthalein (Certified ACS), Fisher Chemical

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Purity Grade: Certified ACS Grade Molecular Formula: C20H14O4 Linear Formula: C6H4COOC(C6H4-4-OH)2 Formula Weight: 318.33 MDL Number: MFCD00005913 Synonym: 3, 3-Bis(p-hydroxyphenyl) Phthallide

Resazurin, Sodium Salt, High Purity Biological Stain, ACROS Organics™

Chemical Name or Material: Resazurin, sodium salt CAS: 62758-13-8 Purity Grade: Pure Molecular Formula: C12H6NNaO4 Formula Weight: 251.17 MDL Number: MFCD00005036 Synonym: 7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt

Safranine O, 95%, ACROS Organics™

Chemical Name or Material: Safranine O Name Note: Pure CAS: 477-73-6 Purity Grade: Pure Assay Percent Range: 95% Molecular Formula: C20H19ClN4 Formula Weight: 350.84 MDL Number: MFCD00011759 Synonym: 3, 7-Diamino-2, 8-dimethyl-5-phenylphenazinium chloride

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

orcein, ACROS Organics™

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

Alizarin Complexone Dihydrate, Indicator Grade, ACROS Organics™

Chemical Name or Material: Alizarin Complexone dihydrate CAS: 455303-00-1 Purity Grade: Pure Assay: 97 to 103% (on dry substance) Molecular Formula: C19H15NO8·2H2O Formula Weight: 421.35 MDL Number: MFCD00149067 Synonym: (3, 4-Dihydroxy-2-anthraquinonyl)methyliminodiacetic acid dihydrate

Hematoxylin Products for Science Education

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

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

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