M3132
Methyl Orange
crystalline
Synonym(s):
4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III
About This Item
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form
crystalline
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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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Oral
Storage Class Code
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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