sodium 4-(2-hydroxynaphthylazo)benzenesulfonate


C.I. 15510; C.I. acid orange 7; D&C orange 4; 4-[(2-hydroxy-1-naphthalenyl)azo]benzenesulfonic acid monosodium salt; 4-(2-hydroxynaphthylazo)benzenesulfonic acid sodium salt; orange II; sodium 4-[(E)-2-(2-hydroxynaphthalen-1-yl)diazen-1-yl]benzene-1-sulfonate; sodium 4-(2-hydroxynaphthylazo)benzenesulfonate
Links:📖 PubMed,
📖Houben-Weyl, 2. Band (Orange II, IV); p. 353,
CAS RN:[633-96-5]
Formula:C16H11N2NaO4S; 350.33 g/mol
InChiKey:CQPFMGBJSMSXLP-UHFFFAOYSA-M
SMILES:O=S(=O)([O-])c3ccc(N=Nc1cc2ccccc2(cc1(O)))cc3.[Na+]
Molecular structure of sodium 4-(2-hydroxynaphthylazo)benzenesulfonate
Use:acid dye
Colour:

Isomers

orange 1
Molecular structure of orange 1
sodium 4-(2-hydroxynaphthylazo)benzenesulfonate
Molecular structure of sodium 4-(2-hydroxynaphthylazo)benzenesulfonate