Acid orange 20
Properties
- Molecular formula
- C16H11N2NaO4S
- Molar mass
- 350.32 g/mol
- Exact mass
- 350.0337 Da
- Melting point
- 260 °C (decomposes)
- logP
- 3.83Crippen estimate
- Polar surface area
- 99.3 Ų
- H-bond donors / acceptors
- 2 / 5
- Rotatable bonds
- 3
Hazards
No GHS classification is on file for this compound. That is not evidence that it is harmless. Search the SDS library
Identifiers
CAS number
523-44-4SMILES
[O-]S(=O)(=O)c1ccc(N=Nc2ccc(O)c3ccccc23)cc1.[Na+]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.
Names and synonyms
38 names · show all
- Benzenesulfonic acid, 4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
- C.I. Acid Orange 20, monosodium salt
- Benzenesulfonic acid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt
- C.I. Acid orange 20
- C.I. 14600
- Acid leather orange I
- Acid orange I
- Aizen orange I
- Certiqual orange I
- Dye orange No. 1
- Eniacid orange I
- Ext D and C orange no. 3
- Hispacid orange 1
- Java orange I
- Naphthalene orange I
- Neklacid orange 1
- Orange I
- 1333 Orange
- Orange I extra conc. A export
- Orange IM
- A.F. Orange no. 1
- 4-p-Sulfophenylazo-1-naphthol monosodium salt
- Tertracid orange I
- α-Naphthol orange
- External D and C orange number 3
- FD and C orange no. 1
- Orange 1 sodium salt
- Tropaeolin 1
- Naphthol orange
- Tropaeolin OOO 1
- Yellow 404
- Japan orange 402
- Japan orange no. 402
- Japan orange 1
- FD and C Orange 1
- Ext D & C orange 3
- Orange 402
- Orange no. 402
Work with Acid orange 20
Similar compounds
Chrysoine resorcinol547-57-964 % similar
Mordant black PV2052-25-760 % similar
Sunset yellow FCF2783-94-057 % similar
Acid brown M5850-16-856 % similar
4-[2-(4-Nitrophenyl)diazenyl]-1-naphthalenol5290-62-055 % similar
Acid red 881658-56-655 % similar
Sodium 1-naphthol-4-sulfonate6099-57-655 % similar
C.I. Mordant yellow 106054-99-554 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds