277339

Methyl Purple

in H₂O

• Synonym(s): Methyl Purple indicator solution
• Empirical Formula (Hill Notation): C₆₇H₆₂N₈Na₄O₁₄S₃
• CAS Number: 1340-02-9
• Molecular Weight: 1391.41
• MDL number: MFCD00070843
• UNSPSC Code: 12171500
• PubChem Substance ID: 24856754
• NACRES: NA.47

Properties

• form: liquid
• Quality Level: 100
• concentration: in H₂O
• pH: 4.8-5.4, violet to green
• mp: 0 °C
• density: 1.001 g/mL at 25 °C
• λmax: 409 nm; 618 nm (2nd)
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: CN(C)c1ccc(cc1)N=Nc2ccccc2C(=O)O[Na].CN(C)c3ccc(cc3)N=Nc4ccccc4C(=O)O[Na].CCN(Cc5cccc(c5)S(=O)(=O)O[Na])c6ccc(cc6)C(=C7/C=CC(C=C7)=[N+](CC)Cc8cccc(c8)S([O-])(=O)=O)\c9ccc(O)cc9S(=O)(=O)O[Na]
• InChI: 1S/C37H36N2O10S3.2C15H15N3O2.4Na/c1-3-38(24-26-7-5-9-33(21-26)50(41,42)43)30-15-11-28(12-16-30)37(35-20-19-32(40)23-36(35)52(47,48)49)29-13-17-31(18-14-29)39(4-2)25-27-8-6-10-34(22-27)51(44,45)46;2*1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20;;;;/h5-23H,3-4,24-25H2,1-2H3,(H3,41,42,43,44,45,46,47,48,49);2*3-10H,1-2H3,(H,19,20);;;;/q;;;4*+1/p-4/b;2*17-16+;;;;
• InChI key: CNJVTYXLOYTWPD-HFZRWZJVSA-J

Description

General description

Methyl purple is a quinone-imide redox dye.

Biochem/physiol Actions

Methyl Purple is a green colored powder. It changes color from purple (pH 4.8) to green (pH 5.4). Methyl Purple acts as an antimicrobial agent. In addition, it also aids in detection of lactic acid bacteria and determination of iron in human hair.

Safety Information

• Storage Class: 12 - Non Combustible Liquids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable