Agent Name

Pyronine B

CAS Number

2150-48-3

Formula

C21-H27-N2-O.Cl

Major Category

Dyes

Synonyms

(6-(Diethylamino)-3H-xanthen-3-ylidine)diethylammonium chloride; Ammonium, (6-diethylamino-3H-xanthen-3-ylidene)diethyl-, chloride; Ammonium, diethyl(6-(diethylamino)-3H-xanthen-3-ylidene)-, chloride; C.I. 45010; N-(6-(Diethylamino)-3H-xanthen-3-ylidine)-N-ethylethanaminium chloride; Pyronin B; Pyronine B(By); Pyronine B, purified; 3,6-Bis(diethylamino)xanthylium chloride; Ammonium, (6-(diethylamino)-3H-xanthen-3-ylidene)diethyl-, chloride; Ethanaminium, N-(6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-, chloride (9CI); Xanthylium, 3,6-bis(diethylamino)-, chloride; [ChemIDplus]

Category

Acridine Dyes

Description

Green needles; [Amresco MSDS]

Sources/Uses

Used as a biological stain (bacteria, molds, and ribonucleic acids); [Merck Index]

Comments

Intraperitoneal LD50 (mouse) = 15.1 mg/kg; [RTECS] A skin and strong eye irritant; Suspected mutagen; [Amresco MSDS] See "Pyronine."

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