Stains Dyes and Indicators

Methyl Violet Products for Science Education

Chemical Name or Material: Methyl Violet CAS: 8004-87-3 Linear Formula: C24H28ClN3 Formula Weight: 393. 94g/mol Synonym: Methyl Violet 2B

Bromothymol Blue, Pure, Conform to ACS, ACROS Organics™

Chemical Name or Material: Bromothymol Blue Name Note: Pure CAS: 76-59-5 Purity Grade: ACS Reagent Molecular Formula: C27H28Br2O5S Formula Weight: 624.38g/mol MDL Number: MFCD00005872 Synonym: 3';, 3';';-Dibromothymolsulfonephthalein

Thymolphthalein Products for Science Education

Chemical Name or Material: Thymolphthalein CAS: 125-20-2 Purity Grade: Reagent Assay Percent Range: >95% Linear Formula: C28H30O4 Formula Weight: 430.52g/mol Synonym: TP

Rhodamine B, Fisher Chemical

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

Bromothymol Blue Solution, 0.04% Products for Science Education

Chemical Name or Material: Bromothymol Blue Solution, 0.04% CAS: 62625-28-9 CAS: 7732-18-5 CAS: 7732-18-5 Physical Form: Liquid Assay Percent Range: 0.04% w/v Formula Weight: 646.37g/mol

Cresol Red Solution, 0.02% Products for Science Education

Chemical Name or Material: Cresol Red Solution, 0.02% CAS: 62625-29-0 CAS: 7732-18-5 Assay Percent Range: 0.02% w/v

Thymolphthalein Solution, 0.04% Products for Science Education

Chemical Name or Material: Thymolphthalein Solution, 0.04% CAS: 64-17-5 CAS: 67-63-0 CAS: 67-56-1 CAS: 18-1-1 CAS: 125-20-2 Assay Percent Range: 0.9996

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: 430.53g/mol MDL Number: MFCD00005909 Synonym: TP

Phenol Solution Products for Science Education

Chemical Name or Material: Phenol Solution CAS: 108-95-2 Assay Percent Range: 99% Linear Formula: C6H5OH Formula Weight: 94.11g/mol Synonym: Carbolic Acid

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: 263.74g/mol MDL Number: MFCD00078211 Synonym: Lauth's Violet

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

Chemical Name or Material: Crystal Violet CAS: 548-62-9 Purity Grade: Certified Biological Stain Molecular Formula: C25H30ClN3 Formula Weight: 407.98g/mol MDL Number: MFCD00011750 Synonym: Basic Violet 3

Phenolphthalein Solution, Alcoholic, 1.0%, Fisher Chemical

Chemical Name or Material: Phenolphthalein Solution, Alcoholic 1.0% CAS: 77-09-8 CAS: 67-63-0 MDL Number: MFCD00005913

Phenolphthalein (Certified ACS), Fisher Chemical

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Purity Grade: Certified ACS Molecular Formula: C20H14O4 Linear Formula: C6H4COOC(C6H4-4-OH)2 Formula Weight: 318.33g/mol MDL Number: MFCD00005913 Synonym: 3, 3-Bis(p-hydroxyphenyl) Phthallide

Crystal Violet, Certified Biological Stain Products for Science Education

Chemical Name or Material: Crystal Violet, Certified Biological Stain CAS: 548-62-9 Linear Formula: C25H30ClN3 Formula Weight: 408.00g/mol Synonym: Gentian Violet

Phenol Red, Indicator, ACROS Organics™

Chemical Name or Material: Phenol Red CAS: 143-74-8 Purity Grade: Extra Pure Molecular Formula: C19H14O5S Formula Weight: 354.38g/mol MDL Number: MFCD00003552 Synonym: Phenolsulfonephthalein

Indicator Solution, Universal Products for Science Education

Chemical Name or Material: Universal Indicator Solution CAS: 34722-90-2 CAS: 64-17-5 CAS: 547-58-0 CAS: 845-10-3 CAS: 518-51-4 Assay Percent Range: <0.2% w/v Synonym: Universal pH Indicator

Phenol Red Indicator Solution, 0.02% w/v Products for Science Education

Chemical Name or Material: Phenol Red Indicator Solution, 0.02% w/v CAS: 34487-61-1 Assay Percent Range: 97 to 100% Linear Formula: C19H13NaO5S Formula Weight: 376.36g/mol Synonym: Phenolsulfonephthalein Sodium Salt

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: 302.28g/mol MDL Number: MFCD00078111 Synonym: Hydroxybrasilin

Bromophenol Blue (Certified ACS), Fisher Chemical

Chemical Name or Material: Bromophenol Blue Name Note: pH Indicator CAS: 115-39-9 Purity Grade: Certified ACS Molecular Formula: C19H10Br4O5S Linear Formula: C6H4SO2OC(C6H2-3, 5-Br2-4-OH)2 Formula Weight: 669.96g/mol MDL Number: MFCD00005875 Synonym: 4, 4'-(3H-2, 1-Benzoxathiol-3-ylidene) bis-[2

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: 585.52g/mol MDL Number: MFCD00013286 Synonym: Acid Violet 19

Fisher Chemical™ Harris Modified Method Hematoxylin Stains Available on GSA/VA Contract for Federal Government customers only.

For histological and cytological use as a nuclear stain

Indigo Carmine (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Indigo Carmine CAS: 860-22-0 Purity Grade: Certified Biological Stain Physical Form: Powder; Solid Molecular Formula: C16H8N2Na2O8S2 Formula Weight: 466.37g/mol MDL Number: MFCD00005723 Synonym: Acid Blue 74

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: 352.40g/mol Synonym: 2-Naphthalenol

Bromothymol Blue, Sodium Salt Products for Science Education

Chemical Name or Material: Bromothymol Blue, Sodium Salt CAS: 34722-90-2 Purity Grade: Reagent Assay Percent Range: 100% w/v Linear Formula: C27H27Br2O5SNa Formula Weight: 646.04g/mol

Rose Bengal Disodium Salt (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Rose Bengal Disodium Salt CAS: 632-69-9 Purity Grade: Certified Biological Stain Molecular Formula: C20H4Cl4I4O5 · 2 Na Formula Weight: 1017.64g/mol MDL Number: MFCD00151169 Synonym: Acid Red 94

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: 251.17g/mol MDL Number: MFCD00005036 Synonym: 7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt

Thyodene™ (Starch Soluble) Indicator, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Thyodene™ Indicator CAS: 9005-84-9 Molecular Formula: C6H10O5X MDL Number: MFCD00082026 Synonym: Starch, Soluble

Nitro Blue Tetrazolium Chloride monohydrate, 90%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Nitro Blue Tetrazolium Chloride monohydrate CAS: 298-83-9 CAS Min %: 88.0 CAS Max %: 100.0 CAS: 67-56-1 CAS: 7732-18-5 Assay: 88% min. Assay Percent Range: 90% Molecular Formula: H2O·CH4O Formula Weight: 867.69g/mol MDL Number: MFCD00150013 Synonym: Nitro BT

Rose Bengal Solution Products for Science Education

Chemical Name or Material: Rose Bengal Solution CAS: 632-69-9 CAS: 7732-18-5 Assay Percent Range: 1% w/v Formula Weight: 1049.84 (1% aqueous solution)g/mol Synonym: Acid Red 94

Eosin B (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Eosin B CAS: 548-24-3 Purity Grade: Certified Biological Stain Molecular Formula: C20H6Br2N2O9Na2 Formula Weight: 624.09g/mol MDL Number: MFCD00005041 Synonym: Acid Red 91

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