Nitrazine yellow

C16H8N4Na2O11S2CAS 5423-07-4542.36 g/mol

O−N+ONNHOSO−OOSO−OON+O−ONa+Na+
AzoNitroPhenolSulfonic acid

Properties

Molecular formula
C16H8N4Na2O11S2
Molar mass
542.36 g/mol
Exact mass
541.9426 Da
logP
2.51Crippen estimate
Polar surface area
240.0 Ų
H-bond donors / acceptors
3 / 11
Rotatable bonds
6

Hazards

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

Identifiers

CAS number
5423-07-4
SMILES
[O-][N+](=O)c1ccc(N=Nc2c(O)c3ccc(S([O-])(=O)=O)cc3cc2S([O-])(=O)=O)c([N+]([O-])=O)c1.[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

7 names
  • 2,7-Naphthalenedisulfonic acid, 3-[2-(2,4-dinitrophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 3-[(2,4-dinitrophenyl)azo]-4-hydroxy-, disodium salt
  • C.I. 14890
  • Delta paper
  • Nitrazol yellow
  • Phenaphthazine
  • Nitrazine paper

Work with Nitrazine yellow

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere