Terteriary Colors Stains Dyes and Indicators

Chromotropic Acid Sodium Salt (Tech.), 60%, ACROS Organics™

Chemical Name or Material: Chromotropic acid sodium salt Name Note: tech., 60% CAS: 3888-44-6 Purity Grade: Technical Grade Assay: ≥55% Assay Percent Range: 60% Molecular Formula: C10H7NaO8S2 Formula Weight: 342.27 MDL Number: MFCD00067682 Synonym: 4, 5-Dihydroxy-2, 7-naphthalenedisulfonic acid sodium salt

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

Sequencing Gel Loading Dye, 3x, ACROS Organics™

Chemical Name or Material: Sequencing gel loading dye CAS: 75-12-7

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

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

Coumarin 314, 99%, pure, laser grade, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Coumarin 314 CAS: 55804-66-5 Purity Grade: Laser Grade Assay Percent Range: 99% Molecular Formula: C18H19NO4 Formula Weight: 313.35 MDL Number: MFCD00051334 Synonym: 1,2,4,5,3H,6H,10H-Tetrahydro-9-carbethoxy[1]benzopyrano(9,9a,1-gh)-quinolizin-10-one

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

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

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

Thionin acetate, pure, high purity biological stain, ACROS Organics™

Chemical Name or Material: Thionin acetate Name Note: Pure CAS: 78338-22-4 Purity Grade: Pure Molecular Formula: C12H10N3S·C2H3O2 Formula Weight: 287.33 MDL Number: MFCD00081194 Synonym: 3, 7-Diaminophenothiazin-5-ium acetate

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

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

Sucrose gel loading dye, 5x, ACROS Organics™

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

2,6-Dichloroindophenol, Sodium Salt Hydrate, ACROS Organics™

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

2',7'-Dichlorofluorescein, ACS reagent, ACROS Organics™

Chemical Name or Material: 2', 7'-Dichlorofluorescein CAS: 76-54-0 Purity Grade: ACS Reagent Grade Molecular Formula: C20H10Cl2O5 Formula Weight: 401.2 Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one

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

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

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

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

Thymolphthalein, Indicator, Pure, ACROS Organics™

Chemical Name or Material: Thymolphthalein Name Note: Indicator CAS: 125-20-2 Purity Grade: Extra Pure Molecular Formula: C28H30O4 Formula Weight: 430.53 MDL Number: MFCD00005909 Synonym: TP

Calmagite, indicator grade, Alfa Aesar

Chemical Name or Material: Calmagite CAS: 3147-14-6 Purity Grade: Indicator Grade Molecular Formula: C17H14N2O5S Formula Weight: 358.37

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

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

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

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

Phloxine B, Certified, 85%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Phloxine B CAS: 18472-87-2 Purity Grade: Pure Assay Percent Range: 85% Molecular Formula: C20 H2 Br4 Cl4 Na2 O5 Formula Weight: 829.64 MDL Number: MFCD00005061 Synonym: Acid Red 92

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

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 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

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

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