Chromotropic acid

C10H8O8S2CAS 148-25-4320.29 g/mol

OSOOHOHOHSOOHO
PhenolSulfonic acid

Properties

Molecular formula
C10H8O8S2
Molar mass
320.29 g/mol
Exact mass
319.9661 Da
logP
0.74Crippen estimate
Polar surface area
149.2 Ų
H-bond donors / acceptors
4 / 6
Rotatable bonds
2

Hazards

Warning
Irritant (GHS07)

Aggregated from 43 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
148-25-4
SMILES
O=S(=O)(O)c1cc(O)c2c(O)cc(S(=O)(=O)O)cc2c1
InChIKey
HLVXFWDLRHCZEI-UHFFFAOYSA-N
InChI
InChI=1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18)

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

5 names
  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-
  • 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid
  • C.I. 16655
  • Chromatropic acid
  • 1,8-Dihydroxynaphthalene-3,6-disulfonic acid

Work with Chromotropic acid

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere