Methyl orange
Properties
- Molecular formula
- C14H14N3NaO3S
- Molar mass
- 327.33 g/mol
- Exact mass
- 327.0654 Da
- Density
- 1.47 g/mL
- Melting point
- above 300 °C
- logP
- 3.03Crippen estimate
- Polar surface area
- 82.3 Ų
- H-bond donors / acceptors
- 1 / 5
- Rotatable bonds
- 4
Hazards
No GHS classification is on file for this compound. That is not evidence that it is harmless.
Identifiers
CAS number
547-58-0SMILES
CN(C)c1ccc(N=Nc2ccc(S([O-])(=O)=O)cc2)cc1.[Na+]InChI
The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.
Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
24 names · show all
- Benzenesulfonic acid, 4-[2-[4-(dimethylamino)phenyl]diazenyl]-, sodium salt (1:1)
- Orange III
- Benzenesulfonic acid, p-[[p-(dimethylamino)phenyl]azo]-, sodium salt
- Benzenesulfonic acid, 4-[[4-(dimethylamino)phenyl]azo]-, sodium salt
- C.I. 13025
- Eniamethyl orange
- Gold orange
- Helianthine B
- KCA methyl orange
- Methyl orange B
- Sodium p-dimethylaminoazobenzenesulfonate
- Tropaeolin D
- C.I. Acid orange 52
- Helianthine
- Diazoben
- Sodium 4′-(dimethylamino)azobenzene-4-sulfonate
- Orange 3
- Sodium 4-(dimethylamino)azobenzene-4′-sulfonate
- 4-Dimethylaminoazobenzene-4′-sulfonic acid sodium salt
- Sodium 4-[4-(dimethylamino)phenylazo]benzenesulfonate
- Sodium p-[[p-(dimethylamino)phenyl]azo]benzenesulfonate
- Acid orange 52
- Albion methyl orange
- Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulfonate
Work with Methyl orange
Similar compounds
Sodium 4-[[4-(diethylamino)phenyl]azo]benzenesulfonate62758-12-768 % similar
Fenaminosulf140-56-764 % similar
Dabsyl chloride56512-49-361 % similar
Acid orange 5554-73-455 % similar
Methyl yellow60-11-754 % similar
Chrysoine resorcinol547-57-952 % similar
Sodium 4-methylbenzenesulfonate12068-03-049 % similar
Sodium p-toluenesulfonate657-84-149 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.