Terteriary Colors Stains Dyes and Indicators

Universal Indicator Solution, in Isopropanol, ACROS Organics™

Chemical Name or Material: pH Indicator solution, universal (in isopropanol) CAS: 67-63-0 CAS: 67-63-0 CAS: 7732-18-5 Purity Grade: Extra Pure MDL Number: MFCD00148741

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

Resazurin Products for Science Education

Chemical Name or Material: Resazurin CAS: 62758-13-8 Assay Percent Range: >99% w/v Linear Formula: C12H6NO4Na Formula Weight: 251.17 Synonym: 7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt

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

Chemical Name or Material: Fuchsin Acid CAS: 3244-88-0 Purity Grade: Certified Biological Stain Assay: ≥55% Molecular Formula: C20H17N3O9S3Na2 Formula Weight: 585.54 MDL Number: MFCD00013286 Synonym: Acid Magenta

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

Schiff Reagent Products for Science Education

Chemical Name or Material: Schiff Reagent CAS: 64365-11-3 CAS: 7440-44-0 CAS: 7647-01-0 CAS: 7681-57-4 CAS: 7732-18-5 Physical Form: Liquid Assay Percent Range: <1% w/v Synonym: Test for aldehydes

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

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

Sudan I, ACROS Organics™

Chemical Name or Material: Sudan I CAS: 842-07-9 Purity Grade: Extra Pure Molecular Formula: C16H12N2O Formula Weight: 248.28 MDL Number: MFCD00003911 Synonym: 1-Phenylazo-2-naphthol

Giemsa Solution Products for Science Education

Chemical Name or Material: Giemsa Solution CAS: 67-56-1 CAS: 51811-82-6 CAS: 56-81-5 Assay Percent Range: 50% v/v

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

Fluorescein, Disodium Salt Products for Science Education

Chemical Name or Material: Fluorescein, Disodium Salt CAS: 518-47-8 Assay Percent Range: 100% w/v Linear Formula: C20H10O5Na2 Formula Weight: 412.3 Synonym: Disodium Salt

Pyronin Y, Certified, ACROS Organics™

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

Thionin (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Thionin CAS: 581-64-6 Purity Grade: Certified Biological Stain Molecular Formula: C12H10N3SCl Formula Weight: 263.74 MDL Number: MFCD00078211 Synonym: Lauth's Violet

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

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

Fuchsin Acid Staining Solution, 1% Products for Science Education

Chemical Name or Material: Fuchsin Acid Staining Solution, 1% CAS: 3244-88-0 CAS: 7732-18-5 Assay Percent Range: 1% w/v

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

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

Schiff Reagent Solution (Modified), Fisher Chemical

Chemical Name or Material: Schiff Reagent Solution Name Note: Modified CAS: 632-99-5 CAS: 7681-57-4 CAS: 7647-01-0 CAS: 7732-18-5 MDL Number: MFCD00081985

Coumarin 2, Laser Grade 99%, ACROS Organics™

Chemical Name or Material: Coumarin 2 Name Note: 99% CAS: 26078-25-1 Purity Grade: Extra Pure Assay Percent Range: 99% Molecular Formula: C13H15NO2 Formula Weight: 217.27 MDL Number: MFCD00006860 Synonym: 4, 6-Dimethyl-7-ethylaminocoumarin

Fluorescein Disodium Salt Dihydrate 90%, ACROS Organics™

Chemical Name or Material: Fluorescein disodium salt dihydrate Name Note: 90% CAS: 518-47-8 Purity Grade: Extra Pure Assay Percent Range: 90% Molecular Formula: C20H10Na2O5·2H2O Formula Weight: 412.3 MDL Number: MFCD00150814 Synonym: Acid Yellow 73 dihydrate

Pararosaniline chloride, pure, high purity biological stain, ACROS Organics™

Chemical Name or Material: Pararosaniline chloride CAS: 569-61-9 Purity Grade: Pure Molecular Formula: C19H17N3·HCl Formula Weight: 323.83 MDL Number: MFCD00001657 Synonym: Basic Fuchsin

NBD chloride, 98%, ACROS Organics™

Chemical Name or Material: NBD chloride CAS: 10199-89-0 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C6H2ClN3O3 Formula Weight: 199.55 MDL Number: MFCD00005808 Synonym: 4-Chloro-7-nitrobenzo-2-oxa-1, 3-diazole

Nigrosine, pure, water soluble, certified, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Nigrosine CAS: 2229872 Purity Grade: Pure Synonym: Acid Black 2

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

Thioflavin T, ACROS Organics™

Chemical Name or Material: Thioflavin T CAS: 2390-54-7 Molecular Formula: C17H19ClN2S Formula Weight: 318.85 MDL Number: MFCD00011944 Synonym: Basic Yellow 1

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

Rhodamine 110, Laser Grade, 99%, ACROS Organics™

Chemical Name or Material: Rhodamine 110 CAS: 13558-31-1 Purity Grade: Pure Assay: ≥98.5% Assay Percent Range: 98+% Molecular Formula: C20H15ClN2O3 Formula Weight: 366.79

Basic Fuchsin, 88%, pure, ACROS Organics™

Chemical Name or Material: Basic Fuchsin Name Note: 88% CAS: 632-99-5 CAS Min %: 83.0 CAS Max %: 100.0 Purity Grade: Pure Assay Percent Range: 88% Molecular Formula: C20H19N3·HCl Formula Weight: 337.84 MDL Number: MFCD00012569 Synonym: Basic Violet 14, hydrochloride

Rhodamine B Products for Science Education

Chemical Name or Material: Rhodamine B CAS: 81-88-9 Assay Percent Range: >97% w/v Linear Formula: C28H31ClN2O3 Formula Weight: 479.01 Synonym: Basic Violet 10

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