Tobias acid
Properties
- Molecular formula
- C10H9NO3S
- Molar mass
- 223.25 g/mol
- Exact mass
- 223.0303 Da
- Melting point
- 180 °C
- pKa
- 2.35
- Water solubility
- 4.1 g/L
- logP
- 1.67Crippen estimate
- Polar surface area
- 80.4 Ų
- H-bond donors / acceptors
- 2 / 3
- Rotatable bonds
- 1
Hazards
Warning
- H319 Causes serious eye irritation20.6% of notifiers
Aggregated from 34 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P264+P265, P280, P305+P351+P338, P337+P317
Identifiers
CAS number
81-16-3SMILES
Nc1ccc2ccccc2c1S(=O)(=O)OInChIKey
GWIAAIUASRVOIA-UHFFFAOYSA-NInChI
InChI=1S/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14)Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
6 names
- 1-Naphthalenesulfonic acid, 2-amino-
- 2-Amino-1-naphthalenesulfonic acid
- 2-Naphthylamine-1-sulfonic acid
- 1-Sulfo-2-naphthylamine
- NSC 5523
- 2-Aminonaphthalenesulfonic acid
Work with Tobias acid
Similar compounds
2-Amino-1,5-naphthalenedisulfonic acid117-62-462 % similar
2-Amino-1,5-naphthalenedisulfonic acid sodium salt19532-03-752 % similar
Naphthalene-1-sulfonic acid85-47-251 % similar
2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid6535-70-250 % similar
Orthanilic acid88-21-149 % similar
(S)-(-)-2,2'-Diamino-1,1'-binaphthalene18531-95-848 % similar
(R)-(+)-2,2'-Diamino-1,1'-binaphthalene18741-85-048 % similar
(±)-1,1′-Binaphthyl-2,2′-diamine4488-22-648 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.
Same formula
8-Amino-2-naphthalenesulfonic acid119-28-8
5-Amino-2-naphthalenesulfonic acid119-79-9
Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate188614-01-9
Probenazole27605-76-1
5-(4-Hydroxybenzyl)thiazolidine-2,4-dione74772-78-4
6-Aminonaphthalene-1-sulphonic acid81-05-0
Peri acid82-75-7
Naphthionic acid84-86-6