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+] |
Use: | acid dye |
Colour: | ⬤ |