orange 1

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acid orange 20; C.I. 14600; external D&C orange 3; 4-[(4-hydroxy-1-naphthalenyl)azo]-benzenesulfonic acid monosodium salt; 4-(4-hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; orange 1; sodium 4-(4-hydroxy-1-naphthylazo)benzenesulfonate
CAS RN:[523-44-4]
Formula:C16H11N2NaO4S; 350.33 g/mol
InChiKey:HMWJVUNISIEXFR-FLNCGGNMSA-M
Molecular structure of orange 1
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
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