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69710 Sigma-Aldrich

Methyl violet

for microscopy (Bact., Bot., Hist.), indicator (pH 0.1-2.0), mixture of polymethylated pararosaniline hydrochlorides

Synonym: Basic Violet 1, Methyl violet 2B

  • CAS Number 8004-87-3

  •  Colour Index Number 42535

  •  Beilstein/REAXYS Number 8464808

  •  MDL number MFCD00012568

  •  PubChem Substance ID 329761888

  •  NACRES MA.02

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Base Ingredients for Media, Indicators, Microbiology,
Quality Level   200
grade   for microscopy (Bact., Bot., Hist.)
  indicator (pH 0.1-2.0)
form   powder or crystals
application(s)   hematology: suitable
  histology: suitable
pH   1-2
mp   137 °C (dec.) (lit.)
solubility   ethanol and water: 0.01 g/10 mL
εmax   ≥1500 at 579-589 nm in 50% ethanol
Featured Industry   Diagnostic Assay Manufacturing
storage temp.   room temp
SMILES string   Cl.C\N=C1/C=C\C(C=C1)=C(/c2ccc(cc2)N(C)C)c3ccc(cc3)N(C)C
InChI   1S/C24H27N3.ClH/c1-25-21-12-6-18(7-13-21)24(19-8-14-22(15-9-19)26(2)3)20-10-16-23(17-11-20)27(4)5;/h6-17H,1-5H3;1H
InChI key   JFTBTTPUYRGXDG-UHFFFAOYSA-N

Description

General description

Methyl violet is a triphenylmethane dye. It is a mixture of tetra-, penta-, and hexa- methyl pararosaniline.

Methyl Violet 2B is a mixture of polymethylated (4,5 and 6) pararosaniline chlorides

Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
Personal Protective Equipment 
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
WGK 3
RTECS 
CX9899550

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

Peer-Reviewed Papers
15

References

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