Agent Name

Thionin acetate

CAS Number

78338-22-4; 135-59-1

Formula

C12-H9-N3-S.C2-H4-O2

Major Category

Dyes

Synonyms

Thionin acetate salt; 3,7-Diamino-5-phenothiazinium acetate; Lauths violet; [Sigma-Aldrich MSDS] Thionine acetate; [Wikipedia]

Category

Azine Dyes

Description

Solid; [Sigma-Aldrich MSDS]

Sources/Uses

"Thionine, also known as thionine acetate or Lauth's violet, is a strongly staining metachromatic dye that is widely used for biological staining. Thionine can also be used in place of Schiff reagent in quantitative Feulgen staining of DNA. It can also be used to mediate electron transfer in microbial fuel cells. The dye's name is frequently misspelled, with omission of the e. The -ine ending indicates that the compound is an amine." [Wikipedia]

Comments

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

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