Terteriary Colors Stains and Dyes and Indicators

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

Rhodamine B, Fisher Chemical

Chemical Name or Material: Rhodamine B CAS: 81-88-9 Molecular Formula: C28H31 ClN2O3 Formula Weight: 479 MDL Number: MFCD00011931 Synonym: Tetraethylrhodamine

Tetrabromophenolphthalein Ethyl Ester, Potassium Salt, Indicator Grade, ACROS Organics™

Chemical Name or Material: Tetrabromophenolphthalein ethyl ester, potassium salt CAS: 62637-91-6 Purity Grade: Extra Pure Molecular Formula: C22H13Br4KO4 Formula Weight: 700.05 MDL Number: MFCD00011662

Phenolphthalein, For analysis ACS, ACROS Organics™

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Purity Grade: ACS Reagent Grade Molecular Formula: C20H14O4 Formula Weight: 318.32 MDL Number: MFCD00005913

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

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

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

Rhodamine 6G Perchlorate Laser Grade, 99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine 6G perchlorate Name Note: laser grade, 99% CAS: 13161-28-9 Purity Grade: Pure Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C28H31ClN2O7 Formula Weight: 543.01 MDL Number: MFCD00013117

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

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, 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

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

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

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

Phenolphthalein Disodium Salt 95%, ACROS Organics™

Chemical Name or Material: Phenolphthalein disodium salt Name Note: 95% CAS: 518-51-4 Purity Grade: Extra Pure Assay Percent Range: 95% Molecular Formula: C20H12Na2O4 Formula Weight: 362.28 MDL Number: MFCD00051414

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

Thionin acetate

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

New Fuchsin, ACROS Organics™

Chemical Name or Material: New Fuchsin CAS: 3248-91-7 Molecular Formula: C22H23N3·HCl Formula Weight: 365.89 MDL Number: MFCD00012567 Synonym: Basic Violet 2

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

D-Luciferin sodium salt monohydrate, 98+%, ACROS Organics™

Chemical Name or Material: D-Luciferin sodium salt monohydrate CAS: 103404-75-7 Assay: ≥98.0% Assay Percent Range: 98+% Molecular Formula: C11H7N2NaO3S2·H2O Formula Weight: 320.32 MDL Number: MFCD11865368 Synonym: Firefly Luciferin monosodium salt monohydrate

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

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

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

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

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

o-Cresolphthalein Complexone Sodium Salt, ACROS Organics™

Chemical Name or Material: o-Cresolphthalein complexone sodium salt CAS: 62698-54-8 Purity Grade: Extra Pure Molecular Formula: C32H28N2Na4O12 Formula Weight: 724.53 MDL Number: MFCD00066371

Nigrosin Saturated Aqueous Solution Products for Science Education

Chemical Name or Material: Nigrosin Saturated Aqueous Solution CAS: 7697-37-2 CAS: 7732-18-5 Assay Percent Range: 0.03 Synonym: Nigrosine Biological Stain

Rhodamine 101 Inner Salt 99%, ACROS Organics™

Chemical Name or Material: Rhodamine 101 inner salt Name Note: 99% CAS: 116450-56-7 Purity Grade: Pure Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C32H30N2O3 Formula Weight: 490.59 MDL Number: MFCD00051383

Fuchsin Acid Products for Science Education

Chemical Name or Material: Fuchsin Acid CAS: 3244-88-0 Assay Percent Range: 100% w/v Linear Formula: C20H17N3Na2O9S3 Formula Weight: 585.54 Synonym: Acid Fuchsine

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

Chemical Name or Material: Lissamine rhodamine B sulfonyl chloride Name Note: 99+% CAS: 62796-29-6 Purity Grade: Extra Pure Assay Percent Range: 99+% Molecular Formula: C27H29ClN2O6S2 Formula Weight: 577.11 MDL Number: MFCD00042001 Synonym: Sulforhodamine B sulfonyl chloride

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