Agent Name

Rose Bengal disodium salt

CAS Number

632-69-9

Formula

C20-H4-Cl4-I4-O5.2Na

Major Category

Dyes

Synonyms

2,4,5,7-Tetraiodo(m,p,o',m')tetrachlorofluorescein, disodium salt; 4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein disodium salt; 9-(3',4',5',6'-Tetrachloro-o-carboxyphenyl)-6-hydroxy-2,4,5,7-tetraiodo-3-isoxanthone 2Na; Food Red Color No. 105, sodium salt; Food Red No. 105, sodium salt; PV 10; PV-10; R105 sodium; Rosa bengala sodica (131 I) [INN-Spanish]; Rose Bengal sodium; Rose bengale; Rose bengale (131 I) sodique [INN-French]; Rose-bengal (131 I) natrium; Roseum bengalense (131 I) natricum [INN-Latin]; Sel disodique de rose bengale iodee (131 I); Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-, disodium salt; Xantryl; Disodium 3,4,5,6-tetrachloro-2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9-yl)benzoate; Fluorescein, 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-, disodium salt; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-, sodium salt (1:2); [ChemIDplus] Rose Bengal Extra; [Merck Index] 4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein sodium salt; Acid Red 94; [Sigma-Aldrich MSDS]

Category

Di- and Triaryl Dyes

Description

Dark violet solid; [Sigma-Aldrich MSDS]

Sources/Uses

Used to dye straw, wood chips, inks, and food; Also used to detect corneal abrasions; [Merck Index]

Comments

Causes convulsions, respiratory depression, changes in liver weight, other liver changes, and effects on dehydrogenases in acute intravenous studies of mice; [RTECS] May cause irritation; [Sigma-Aldrich MSDS] See "Rose Bengal."

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

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