Stains Dyes and Indicators

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

Alfa Aesar™ Bromothymol Blue

Chemical Name or Material: Bromothymol Blue CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Formula Weight: 624.39 MDL Number: MFCD00005872 Beilstein: 373934 Merck Index: 14,1445 Synonym: Bromthymol Blue

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

Alfa Aesar™ Brilliant Blue G, ultrapure

Chemical Name or Material: Brilliant Blue G CAS: 6104-58-1 Name Note: Ultrapure Molecular Formula: C47H48N3NaO7S2 Formula Weight: 854.04 MDL Number: MFCD00078482 Synonym: Coomassie Brilliant Blue G 250; C.I. 42655

Fast Blue BB, 98%, pure, ACROS Organics™

Chemical Name or Material: Fast blue BB Name Note: 98% CAS: 120-00-3 Purity Grade: Extra Pure Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C17H20N2O3 Formula Weight: 300.35 MDL Number: MFCD00009091 Synonym: 4'-Amino-2', 5'-diethoxybenzanilide

Alfa Aesar™ Thymol Blue sodium salt, ACS

Chemical Name or Material: Thymol Blue sodium salt CAS: 62625-21-2 Purity Grade: ACS Grade Molecular Formula: C27H29NaO5S Formula Weight: 488.58 MDL Number: MFCD00151093 Beilstein: 3861515

Alfa Aesar™ beta-Naphthol Violet

Chemical Name or Material: beta-Naphthol Violet CAS: 7143-21-7 Molecular Formula: C16H9N3Na2O9S2 Formula Weight: 497.37 MDL Number: MFCD00021457

Thermo Scientific™ Richard-Allan Scientific Wright-Giemsa Stain Available on GSA/VA Contract for Federal Government customers only.

Produces somewhat darker results when compared with Giemsa, particularly in the blue to magenta shades

Phloxine B (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Phloxine B CAS: 18472-87-2 Purity Grade: Certified Biological Stain Molecular Formula: C20H2Br4 Cl4Na2O5 Formula Weight: 829.66 MDL Number: MFCD00070627 Synonym: Acid Red 92

Bromophenol Blue (Certified ACS), Fisher Chemical

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

Bromothymol Blue, Sodium Salt Products for Science Education

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

Alfa Aesar™ Xylenol Blue

Chemical Name or Material: Xylenol Blue CAS: 125-31-5 Molecular Formula: C23H22O5S Formula Weight: 410.49 MDL Number: MFCD00005870 Beilstein: 363132 Merck Index: 14,10083 Synonym: p-Xylenolsulfonephthalein

Resazurin Products for Science Education

Chemical Name or Material: Resazurin CAS: 62758-13-8 Assay Percent Range: >99% w/v Linear Formula: C12H6NO4Na Formula Weight: 251.17 Synonym: 7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt

Indigo Carmine, ACROS Organics™

Chemical Name or Material: Indigo carmine Name Note: Pure CAS: 860-22-0 Purity Grade: Extra Pure Molecular Formula: C16H8N2Na2O8S2 Formula Weight: 466.34 MDL Number: MFCD00005723 Synonym: 5, 5'-Indigodisulfonic acid, disodium salt

Thermo Scientific™ Richard-Allan Scientific™ Reticulocyte Stain

Identify immature erythrocytes withThermo Scientific™ Richard-Allan Scientific™ Reticulocyte Stain

Alfa Aesar™ Azure II

Chemical Name or Material: Azure II CAS: 37247-10-2 MDL Number: MFCD00080716

Pararosaniline Hydrochloride (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Pararosaniline Hydrochloride CAS: 569-61-9 Purity Grade: Certified Biological Stain Molecular Formula: C19H17N3HCl Formula Weight: 323.82 MDL Number: MFCD00001657 Synonym: p-Fuchsin

Methylene Blue Products for Science Education

CAS: 64-17-5 CAS: 722-79-3 Physical Form: Liquid Assay Percent Range: 0.998

Prussian Blue, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Prussian Blue CAS: 14038-43-8 Purity Grade: Pure Molecular Formula: C18Fe7N18 Linear Formula: Fe4[Fe(CN)6]3 Formula Weight: 859.25 MDL Number: MFCD00135663 Synonym: C.I. 77510

Thermo Scientific™ Shandon™ Harris Hematoxylin Available on GSA/VA Contract for Federal Government customers only.

Take advantage of acidified or non-acidified formulations with the Thermo Scientific™ Shandon™ Harris Hematoxylin. This product does not employ a mercury-based oxidizing agent, thus removing a possible source of environmental contamination.

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

Phenol Red, Sodium Salt (Certified ACS), Fisher Chemical

Chemical Name or Material: Phenol Red, Sodium Salt CAS: 34487-61-1 Purity Grade: Certified ACS Grade Molecular Formula: C19H13NaO5S Linear Formula: C6H4SO2OC(C6H4-4-OH)(C6H4-4-ONa) Formula Weight: 376.37 MDL Number: MFCD00066901 Synonym: Phenolsulfonephthalein Sodium Salt

Thermo Scientific™ Richard-Allan Scientific™ Signature Series Bluing Reagent Available on GSA/VA Contract for Federal Government customers only.

Ensure crisp nuclear detail with the ready-to-use Thermo Scientific™ Richard-Allan Scientific™ Signature Series Bluing Reagent.

Bromochlorophenol Blue, sodium salt, pure, water soluble, ACROS Organics™

Chemical Name or Material: Bromochlorophenol Blue, sodium salt CAS: 102185-52-4 Purity Grade: Extra Pure Molecular Formula: C19H9Br2Cl2NaO5S Formula Weight: 603.03 MDL Number: MFCD00001612

Alfa Aesar™ Crystal Violet

Chemical Name or Material: Crystal Violet CAS: 548-62-9 Molecular Formula: C25H30ClN3 Formula Weight: 407.99 MDL Number: MFCD00011750 UN Number: UN3077 Beilstein: 4077708 Merck Index: 14,4395 Synonym: Basic Violet 3; C.I. 42555

Alfa Aesar™ m-Cresol Purple

Chemical Name or Material: m-Cresol Purple CAS: 2303-01-7 Molecular Formula: C21H18O5S Formula Weight: 382.44 MDL Number: MFCD00005871 Beilstein: 350314 Merck Index: 14,2577 Synonym: m-Cresolsulfonephthalein

Bromocresol Purple (Certified), Fisher Chemical

Chemical Name or Material: Bromocresol Purple CAS: 115-40-2 Purity Grade: Certified Grade Molecular Formula: C21H16Br2O5S Formula Weight: 540.24 MDL Number: MFCD00011681 Synonym: 5, 5'dibromo-o-cresolsulfonphthalein

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% Assay Percent Range: 90% Molecular Formula: H2O·CH4O Formula Weight: 867.69 MDL Number: MFCD00150013 Synonym: Nitro BT

Alfa Aesar™ Eriochrome™ Blue Black B

Chemical Name or Material: Eriochrome™ Blue Black B CAS: 3564-14-5 Molecular Formula: C20H13N2NaO5S Formula Weight: 416.39 MDL Number: MFCD00003934 Synonym: C.I. 14640; Mordant Black 3

Thymol Blue, ACROS Organics™

Chemical Name or Material: Thymol Blue Name Note: For analysis ACS CAS: 76-61-9 Purity Grade: ACS Reagent Grade Molecular Formula: C27H30O5S Formula Weight: 466.58 MDL Number: MFCD00005869 Synonym: TB

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