Terteriary Colors Stains Dyes and Indicators

Dansyl Chloride 98%, ACROS Organics™

Chemical Name or Material: Dansyl chloride Name Note: 98% CAS: 605-65-2 Assay: ≥97.5% (HPLC) Assay Percent Range: 98% Molecular Formula: C12H12ClNO2S Formula Weight: 269.75 MDL Number: MFCD00003985 Synonym: 5-Dimethylamino-1-naphthalenesulfonyl chloride

Schiff Reagent Solution, ACROS Organics™

Chemical Name or Material: Schiff reagent solution CAS: 632-99-5 MDL Number: MFCD00081985

Fluorescein, disodium salt, pure, ACROS Organics™

Chemical Name or Material: Fluorescein, Disodium Salt CAS: 518-47-8 Purity Grade: Pure Molecular Formula: C20H10Na2O5 Formula Weight: 376.27 Synonym: Acid Yellow 73

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

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

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

Thionin Solution Products for Science Education

Chemical Name or Material: Thionin Solution CAS: 581-64-6 CAS: 7732-18-5 Physical Form: Liquid Assay Percent Range: 0.006 Synonym: C.I. 52000

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

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

Rhodamine 123, +99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine 123 Name Note: 99+% CAS: 62669-70-9 Purity Grade: Extra Pure Assay Percent Range: 99+% Molecular Formula: C21H17ClN2O3 Formula Weight: 380.82 MDL Number: MFCD00012664

IR-125, Laser Grade, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: IR-125 CAS: 3599-32-4 Purity Grade: Extra Pure Molecular Formula: C43H47N2NaO6S2 Formula Weight: 774.97 MDL Number: MFCD00013078 Synonym: Indocyanine Green

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

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

Thionin acetate

Chemical Name or Material: Thionin CAS: 78338-22-4 Molecular Formula: C14H13N3O2S Formula Weight: 287.34 MDL Number: MFCD00081194

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

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

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

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

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

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

Rhodamine 6G 99%, ACROS Organics™

Chemical Name or Material: Rhodamine 6G Name Note: 99% CAS: 989-38-8 Purity Grade: Pure Assay Percent Range: 99% Molecular Formula: C28H31ClN2O3 Formula Weight: 479.01 MDL Number: MFCD00012665 Synonym: Basic Red 1

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

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

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

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

Alizarin 97%, ACROS Organics™

Chemical Name or Material: Alizarin Name Note: 97% CAS: 72-48-0 CAS Min %: 96.0 CAS Max %: 100.0 Purity Grade: Pure Assay Percent Range: 97% Molecular Formula: C14H8O4 Formula Weight: 240.21 MDL Number: MFCD00001201 Synonym: 1, 2-Dihydroxyanthraquinone

Chromotrope 2B, ACROS Organics™

Chemical Name or Material: Chromotrope 2B CAS: 548-80-1 Purity Grade: Extra Pure Molecular Formula: C16H9N3Na2O10S2 Formula Weight: 513.35 Synonym: 4, 5-Dihydroxy-3-(p-nitrophenylazo)-2, 7-naphthalenedisulfonic acid

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

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

Resazurin, Alfa Aesar

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

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