Terteriary Colors Stains Dyes and Indicators

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

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

Litmus, pure, indicator grade, ACROS Organics™

Chemical Name or Material: Litmus CAS: 1393-92-6 Purity Grade: Pure MDL Number: MFCD00131528

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

Rhodamine B, ≥98%, pure, ACROS Organics™

Chemical Name or Material: Rhodamine B Name Note: Pure CAS: 81-88-9 Purity Grade: Pure Assay: ≥98% Assay Percent Range: ≥98% Molecular Formula: C28H31ClN2O3 Formula Weight: 479.01 MDL Number: MFCD00011931 Synonym: Basic Violet 10

Wright's Blood Stain Solution Products for Science Education

Chemical Name or Material: Wright's Blood Stain Solution CAS: 67-56-1 CAS: 68988-92-1 Assay Percent Range: 0.97

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

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

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

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

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

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

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

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

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

Nigrosin, water soluble

Chemical Name or Material: Nigrosin CAS: 8005-03-6 Name Note: water soluble MDL Number: MFCD00044681

Safranin O Products for Science Education

Chemical Name or Material: Safranin O CAS: 477-73-6 Molecular Formula: C20H19N4Cl Linear Formula: C20H49ClN4 Formula Weight: 350.85 Synonym: Basic Red 2

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

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 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

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

Sudan III Products for Science Education

Chemical Name or Material: Sudan III CAS: 85-86-9 Assay Percent Range: >99% Molecular Formula: C22H16N4O Linear Formula: C22H16N4O Formula Weight: 352.4 Synonym: 2-Naphthalenol

Naringin, 97%, ACROS Organics™

Chemical Name or Material: Naringin CAS: 10236-47-2 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C27H32O14 Formula Weight: 580.53 MDL Number: MFCD00148888

New Coccine, pure, ACROS Organics™

Chemical Name or Material: New Coccine CAS: 2611-82-7 Purity Grade: Extra Pure Molecular Formula: C20H11N2Na3O10S3 Formula Weight: 604.46 MDL Number: MFCD00004084 Synonym: Acid Red 18

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

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

Chemical Name or Material: Hematoxylin CAS: 517-28-2 Purity Grade: Certified Biological Stain Molecular Formula: C16H14O6 · xH2O Formula Weight: 302.28 MDL Number: MFCD00078111 Synonym: Hydroxybrasilin

4-Phenylazophenol, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 4-Phenylazophenol CAS: 1689-82-3 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C12H10N2O Formula Weight: 198.22 MDL Number: MFCD00002330 Synonym: 4-Hydroxyazobenzene

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

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

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

Chemical Name or Material: Rhodamine B base CAS: 509-34-2 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C28H30N2O3 Formula Weight: 442.55 MDL Number: MFCD00066967 Synonym: C.I. 45170.1

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