69710

Methyl violet

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

• Synonym(s): Methyl violet 2B, Basic Violet 1
• CAS Number: 8004-87-3
• Colour Index Number: 42535
• Beilstein/REAXYS Number: 8464808
• MDL number: MFCD00012568
• UNSPSC Code: 12171500
• PubChem Substance ID: 329761888
• NACRES: MA.02

Properties

• grade: for microscopy (Bact., Bot., Hist.); indicator (pH 0.1-2.0)
• Quality Level: 200
• form: powder or crystals
• color: green to very dark green
• 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
• application(s): diagnostic assay manufacturing; hematology; histology
• 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 Information

• pictograms: GHS08,GHS05,GHS07,GHS09
• signalword: Danger
• hcodes: H302,H318,H351,H410
• pcodes: P202 - P273 - P280 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• ppe: dust mask type N95 (US), Eyeshields, Faceshields, Gloves