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277339

Methyl Purple

in H2O

Synonym(s):

Methyl Purple indicator solution

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About This Item

Empirical Formula (Hill Notation):
C67H62N8Na4O14S3
CAS Number:
1340-02-9
Molecular Weight:
1391.41
NACRES:
NA.47
PubChem Substance ID:
24856754
UNSPSC Code:
12171500
MDL number:
MFCD00070843
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form

liquid

Quality Segment

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

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.

Storage Class

12 - Non Combustible Liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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