Agent Name

Azure C

CAS Number

531-57-7

Formula

C13-H12-N3-S.Cl

Major Category

Dyes

Synonyms

3-Amino-7-methylaminophenothiazin-5-ium chloride; 3-Imino-7-(methylamino)-3H-phenothiazine hydrochloride; Monomethylthionine; Monomethylthionine chloride; Phenothiazin-5-ium, 3-amino-7-methylamino-, chloride; [ChemIDplus] 3-Amino-7-(methylamino)phenothiazin-5-ium chloride; 3-Amino-7-methylaminophenothiazinium chloride; C.I. 52002; [Merck Index] N-Methylthionine; [Sigma-Aldrich MSDS]

Category

Azine Dyes

Description

Green or dark green solid; [Merck Index] Powder; [Sigma-Aldrich MSDS]

Sources/Uses

Used as a biological stain; [Merck Index]

Comments

May cause irritation; [Sigma-Aldrich MSDS] See "Methylene blue."

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