Eosin Y

Names

[ Name ]:
Eosin Y

[Synonym ]:
Bromeosin
D & C Red no. 21
eosine acid
eosine lactonique
Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:2)
TetrabroMofluorescein
C.I. Solvent Red 43
MFCD00036189
D and C Red No. 21
Eosin Y alcohol
Japan Red 223
eosin yellowish
2',4',5',7'-Tetrabromofluorescein
eosin yellow
Bromoeosin
EINECS 239-138-3
Solvent Red 43
Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
Eosin acid
Eosine Yellowish-(YS)
2,4,5,7-tetrabromofluorescein

Biological Activity

[Description]:

Eosin Y is a dye molecule. Eosin Y has low cost and good availability which has a wide application in organic synthesis as a photoredox catalyst[1].

[Related Catalog]:

Research Areas >> Others

Signaling Pathways >> Others >> Others

[References]

[1]. Hari DP, et al. Synthetic applications of eosin Y in photoredox catalysis. Chem Commun (Camb). 2014;50(51):6688-6699.

Chemical & Physical Properties

[ Density]:
1.02 g/mL at 20ºC

[ Boiling Point ]:
640.3ºC at 760 mmHg

[ Melting Point ]:
295ºC

[ Molecular Formula ]:
C₂₀H₈Br₄O₅

[ Molecular Weight ]:
691.854

[ Exact Mass ]:
687.674377

[ PSA ]:
93.40000

[ LogP ]:
6.12210

[ Index of Refraction ]:
1.757

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

[ Water Solubility ]:
H2O: 0.1 g/mL, dark red

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LM5800000

CHEMICAL NAME :: Fluorescein, 2',4',5',7'-tetrabromo-

CAS REGISTRY NUMBER :: 15086-94-9

BEILSTEIN REFERENCE NO. :: 0063410

LAST UPDATED :: 199710

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C20-H8-Br4-O5

MOLECULAR WEIGHT :: 647.92

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 450 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: DNA repair

TEST SYSTEM :: Bacteria - Bacillus subtilis

DOSE/DURATION :: 2 mg/disc

REFERENCE :: TRENAF Kenkyu Nenpo--Tokyo-toritsu Eisei Kenkyusho. Annual Report of Tokyo Metropolitan Research Laboratory of Public Health. (Tokyo-toritsu Eisei Kenkyusho, 24-1, 3-chome, Hyakunin-cho, Shin-juku-ku, Tokyo 160, Japan) V.1- 1949/50- Volume(issue)/page/year: 27,153,1976 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,183,1977 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,183,1977 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0363 No. of Facilities: 347 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 7340 (estimated) No. of Female Employees: 1584 (estimated)

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36

[ Safety Phrases ]:
26

[ RIDADR ]:
UN 1170 3/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
LM5850000

[ HS Code ]:
32041919

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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