4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt

C10H6Na2O7S2CAS 20349-39-7348.25 g/mol

O−SOOOHSO−OONa+Na+
PhenolSulfonic acid

Properties

Molecular formula
C10H6Na2O7S2
Molar mass
348.25 g/mol
Exact mass
347.9350 Da
logP
0.28Crippen estimate
Polar surface area
129.0 Ų
H-bond donors / acceptors
3 / 5
Rotatable bonds
2

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless.

Identifiers

CAS number
20349-39-7
SMILES
[O-]S(=O)(=O)c1ccc2c(O)cc(S([O-])(=O)=O)cc2c1.[Na+].[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.

Names and synonyms

4 names
  • 2,7-Naphthalenedisulfonic acid, 4-hydroxy-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 4-hydroxy-, disodium salt
  • Disodium 1-hydroxy-3,6-naphthalenedisulfonate
  • Disodium 4-hydroxy-2,7-naphthalenedisulfonate

Work with 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt

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.

Same formula

Elsewhere