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SAAR4165000

Methyl orange

pH indicator

Synonym(s):

4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III

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About This Item

Empirical Formula (Hill Notation):
C14H14N3NaO3S
CAS Number:
Molecular Weight:
327.33
Colour Index Number:
13025
Beilstein/REAXYS Number:
4732884
MDL number:
UNSPSC Code:
41116100

product name

Methyl Orange,

packaging

poly bottle of 20 × 25 g (SAAR4165000CB)

pH

3.0-4.4, pink to yellow

Storage temp.

2-30°C

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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Application

For laboratory use only

Pictograms

Skull and crossbones

signalword

Danger

hcodes

Hazard Classifications

Acute Tox. 3 Oral

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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