Acid yellow 36 home ICD10: L23.9

Acid yellow 36

Formula CAS
C18H14N3NaO3S 587-98-4

Acid yellow 36 is a yellow monoazo dye prepared from metanilic acid and diphenylamine. It is no longer approved by the FDA for use in drugs or cosmetics.

Acid yellow 36
C.I. 13065
Metanil Yellow
3-[[4-(Phenylamino)phenyl]azo]-benzenesulfonic acid monosodium salt
C.I. Acid yellow
36 m-[(p-anilinophenyl)azo]benzenesulfonic acid sodium salt
Sodium salt of metanilyazodiphenylamine
Tropaeolin G
Ext. D & C Yellow No. 1

pH indicators
Wood stains from wood rosin


Unusual Reactions

Back to list of contact allergens

1. Ancona A, Serviere L, Trejo A, Monroy F. Dermatitis from an azo-dye in industrial leather protective shoes. Contact Dermatitis 1982;8(3):220-221.
2. Hausen BM. A case of allergic contact dermatitis due to metanil yellow. Contact Dermatitis 1994;31(2):117-118.

dr. Jan R. Mekkes. Dermatoloog, Amsterdam UMC.

06-08-2023 (JRM) - W3C-html-4.01-valid