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Key Documents

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19-3890

Sigma-Aldrich

Methyl Orange

JIS special grade

Sinónimos:

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

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About This Item

Fórmula empírica (notación de Hill):
C14H14N3NaO3S
Número de CAS:
547-58-0
Peso molecular:
327.33
Colour Index Number:
13025
Beilstein/REAXYS Number:
4732884
EC Number:
208-925-3
MDL number:
MFCD00007502
UNSPSC Code:
12352107
PubChem Substance ID:
329751861

grade

JIS special grade

form

solid

availability

available only in Japan

pH

3.0-4.4, pink to yellow

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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pictograms

Skull and crossbones
GHS06

signalword

Danger

hcodes

H301

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

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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