Indigo Violet Purple Stains and Dyes and Indicators

Alfa Aesar™ m-Cresol Purple sodium salt

Chemical Name or Material: m-Cresol Purple sodium salt CAS: 62625-31-4 Molecular Formula: C21H17NaO5S Formula Weight: 404.42 MDL Number: MFCD00010177 Synonym: m-Cresol Purple, water soluble; m-Cresolsulfonephthalein sodium salt

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

Methyl Violet 2B, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Methyl Violet 2B Name Note: Pure CAS: 8004-87-3 Purity Grade: Extra Pure Molecular Formula: C24H28ClN3 Formula Weight: 393.95 MDL Number: MFCD00012568 Synonym: Basic Violet 1

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 Synonym: Gentian Violet

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

m-Cresol Purple, pure, indicator grade, ACROS Organics™

Chemical Name or Material: m-Cresol Purple CAS: 2303-01-7 Purity Grade: Pure Molecular Formula: C21H18O5S Formula Weight: 382.42 MDL Number: MFCD00005871

Ethyl Violet, 80%, Acros Organics™

Infrared Spectrum: Authentic Loss on Drying: 4% max. Dye Content: 75% min. Formula Weight: 492.14 Solubility Information: Solubility in water: slightly soluble. Other solubilities: soluble in methanol and ethanol Lambda Max: 593 to 599nm (c=0.1, H2O) CAS: 2390-59-2 Molecular Formula: C31H42ClN3 Chemical Name or Material: Ethyl Violet

Crystal Violet, pure, high purity biological stain, ACROS Organics™

Chemical Name or Material: Crystal Violet CAS: 548-62-9 CAS: 90-94-8 Purity Grade: Pure Assay: ≥96.0% (TiCl3-titration) (on dried substance) Molecular Formula: C25H30ClN3 Formula Weight: 407.99 MDL Number: MFCD00011750 Synonym: Basic Violet 3

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

Methylene Violet, Certified Bernthsen, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Methylene Violet Name Note: Bernthsen CAS: 225115 Purity Grade: Extra Pure Molecular Formula: C14H12N2OS Formula Weight: 256.32 MDL Number: MFCD00005064 Synonym: C.I. 52041

Methyl Purple Solution (Certified), Fisher Chemical

Chemical Name or Material: Methyl Purple Solution CAS: 845-10-3 CAS: 3486-30-4 CAS: 67-63-0 CAS: 7732-18-5 Purity Grade: Certified Grade MDL Number: MFCD00070843

Alfa Aesar™ Catechol Violet

Chemical Name or Material: Catechol Violet CAS: 115-41-3 Molecular Formula: C19H14O7S Formula Weight: 386.38 MDL Number: MFCD00005868 Beilstein: 353938

Crystal Violet, certified, ACROS Organics™

Chemical Name or Material: Crystal Violet CAS: 548-62-9 CAS: 90-94-8 Purity Grade: Certified Grade Molecular Formula: C25H30ClN3 Formula Weight: 407.99 MDL Number: MFCD00011750 Synonym: Basic Violet 3

Bromocresol Purple, pure, indicator grade, ACROS Organics™

Chemical Name or Material: Bromocresol Purple CAS: 115-40-2 Purity Grade: Pure Molecular Formula: C21H16Br2O5S Formula Weight: 540.21 Synonym: 5', 5''-Dibromo-o-cresolsulfonephthalein

Indigo Carmine Products for Science Education

Chemical Name or Material: Indigo Carmine CAS: 860-22-0 Assay Percent Range: 100% w/v Linear Formula: C16H8N2Na2O8S2 Formula Weight: 466.36 Synonym: C.I. 73015

Indigo Carmine, High Purity Biological Stain, ACROS Organics™

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

Alfa Aesar™ Crystal Violet, ACS, 90+%

Chemical Name or Material: Crystal Violet CAS: 548-62-9 Purity Grade: ACS Grade 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™ Crystal Violet lactone

Chemical Name or Material: Crystal Violet lactone CAS: 1552-42-7 Molecular Formula: C26H29N3O2 Formula Weight: 415.53 MDL Number: MFCD00070611

MethylePurple Solution, ACROS Organics™

Chemical Name or Material: MethylePurple solution CAS: 1340-02-9 MDL Number: MFCD00070843

Pyrocatechol Violet, pure, indicator grade, ACROS Organics™

Chemical Name or Material: Pyrocatechol Violet CAS: 115-41-3 Purity Grade: Pure Molecular Formula: C19H14O7S Formula Weight: 386.36 Synonym: Pyrocatecholsulfonephthalein

m-Cresol Purple, sodium salt, pure, water soluble, ACROS Organics™

Chemical Name or Material: m-Cresol Purple, sodium salt CAS: 62625-31-4 Purity Grade: Pure Molecular Formula: C21H17NaO5S Formula Weight: 404.4 MDL Number: MFCD00010177 Synonym: m-Cresol Purple, sodium salt

Indigo, synthetic, ACROS Organics™

Chemical Name or Material: Indigo Name Note: synthetic CAS: 482-89-3 Molecular Formula: C16H10N2O2 Formula Weight: 262.26 MDL Number: MFCD00005722 Synonym: C.I. 73000

Alfa Aesar™ Bromocresol Purple sodium salt, 0.04% w/v aq. soln.

Chemical Name or Material: Bromocresol Purple sodium salt CAS: 62625-30-3 Formula Weight: 562.22 MDL Number: MFCD00148896 Synonym: Bromocresol Purple, water soluble

Alfa Aesar™ m-Cresol Purple sodium salt, 0.04% w/v aq. soln.

Chemical Name or Material: m-Cresol Purple sodium salt CAS: 62625-31-4 Formula Weight: 404.42 MDL Number: MFCD00005871

Leuco Crystal Violet, 99%, pure, ACROS Organics™

Chemical Name or Material: Leuco Crystal Violet Name Note: 99% CAS: 603-48-5 Purity Grade: Extra Pure Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C25H31N3 Linear Formula: CH{C6H4N(CH3)2}3 Formula Weight: 373.53 MDL Number: MFCD00008314 Synonym: 4,4',4''-Methylidynetris(N,N-dimethylaniline)

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

Crystal Violet, 1%, Solution Products for Science Education

Chemical Name or Material: Crystal Violet, Solution Synonym: Gentian Violet

Bromcresol Purple Indicator Solution, 0.04% Products for Science Education

Chemical Name or Material: Bromcresol Purple Indicator Solution, 0.04% CAS: 62625-30-3 CAS: 7732-18-5 Physical Form: Liquid

Basic 10 Stain Kit, Aqueous, Fisher Science Education Products for Science Education

Chemical Name or Material: Basic 10 Stain Kit Physical Form: Aqueous

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