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Key Documents

40-2013

Sigma-Aldrich

Methyl Orange solution

pH 3.1-4.4

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About This Item

Empirical Formula (Hill Notation):
C14H14N3NaO3S
CAS Number:
Molecular Weight:
327.33
Beilstein/REAXYS Number:
4732884
MDL number:
UNSPSC Code:
12352107
PubChem Substance ID:

form

liquid

availability

available only in Japan

dilution

(for analytical testing)

pH

3.1-4.4

SMILES string

[Na+].CN(C)c1ccc(cc1)\N=N\c2ccc(cc2)S([O-])(=O)=O

InChI

1S/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);/q;+1/p-1/b16-15+;

InChI key

STZCRXQWRGQSJD-GEEYTBSJSA-M

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Suitability

pH indicator

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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