Agent Name

Eosine Yellowish-(YS)

CAS Number

17372-87-1

Formula

C20-H8-Br4-O5.2Na

Major Category

Dyes

Synonyms

2',4',5',7'-Tetrabromo-3',6'-dihydroxyspiro(isobenzofuran-1(3H),9 '-(9H)xanthen)-3-one, disodium salt; CI 45380 (Na salt); 11445 Red; 11731 Red; 1903 Yellow Pink; 2',4',5',7'-Tetrabromofluorescein disodium salt; 2,4,5,7-Tetrabromofluorescein; Acid Red 87; Aizen Eosine GH; Basacid Red 316; Bromo 4D; Bromo 4DC; Bromo 4DL; Bromo B; Bromo FL; Bromo JPS; Bromo TS; Bromo X 100; Bromo XX; Bromo acid; Bromo fluorescein; Bromoeosine; Bromofluorescein; Bronze Bromo; C.I. 45380; C.I. Acid Red 87; Certiqual Eosine; Cerven kysela 87 [Czech]; D and C Red No. 22; D&C Red No. 22; Dawn red; Disodium eosin; Eosin; Eosin A; Eosin OJ; Eosin Y; Eosin YS; Eosin Yellowish (YS); Eosin gelblich [German]; Eosine; Eosine 3G; Eosine 3Y; Eosine A; Eosine BPC; Eosine BS; Eosine BS-SF; Eosine DA; Eosine DWC 73; Eosine Extra Conc. A. Export; Eosine Extra Yellowish; Eosine FA; Eosine G; Eosine GF; Eosine GH; Eosine J; Eosine K; Eosine K Salt Free; Eosine OJ; Eosine S13 (bluish); Eosine Y; Eosine YB; Eosine YS; Eosine Yellowish; Eosine sodium salt; Eosine w/s; Fenazo Eosine XG; Hidacid Boiling Bromo; Hidacid Bromo acid regular; Hidacid Dibromo Fluorescein; Hidacid Eosine Soda Salt; Hidacid White Bromo; Irgalite Bronze Red CL; Japan Red 103; Japan Red 230-1; Morning red; Orient Water Red 2; Phlox Red Toner X-1354; Phloxine Red 20-7600; Phloxine Toner B; Pure eosine YY; Red No. 103; Red No. 230-1; Sodium eosinate; Sodium eosine; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-, 2Na; Symuler Eosin Toner; Tetrabromofluorescein; Tetrabromofluorescein D; Tetrabromofluorescein S; Toyo Eosine G; Water Red 2; Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate; Fluorescein, 2',4',5',7'-tetrabromo-, disodium salt; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-, disodium salt; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-, sodium salt (1:2); [ChemIDplus]

Category

Di- and Triaryl Dyes

Description

Red with a bluish tinge or brownish-red solid; [Merck Index]

Sources/Uses

Permitted for use as an inert ingredient in non-food pesticide products; [EPA] Used as a biological stain and dye for red inks, wool, silk, drugs, cosmetics, and paper; [Merck Index] Also used as a reagent for the spectrophotometric determination of silver (sub-microgram amounts) and for coloring motor fuels; [NTP]

Comments

May cause facial dermatitis; [NTP] A moderate eye irritant; [Sigma-Aldrich MSDS]

Adverse Effects
IARC Carcinogen

Not Classifiable

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Processes

Industrial Processes with risk of exposure: