Henan Tianfu Chemical Co., Ltd.
China
Product Name: Acid Red 87
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

17372-87-1

17372-87-1 structure

Name: Acid Red 87
Chemical Name: eosin YS dye
CAS Number: 17372-87-1
Molecular Formula: C₂₀H₆Br₄Na₂O₅
Molecular Weight: 691.854
Catalog: Dyes and pigments dye Acid Dyestuff
Create Date: 2018-03-13 08:00:00
Modify Date: 2026-06-30 12:35:03
Eosin Y (disodium) is a soluble acid red dye molecule. Eosin Y has a wide application in organic synthesis as a photoredox catalyst[1].

Name	eosin YS dye
Synonyms	Eosine Tetrabromofluorescein Sodium Salt Eosin Y, high purity, biological stain, pureR Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:2) bromo4d Tetrabromofluorescin soluble eosin yellowish waterred2 Y Eosin Y water RED 22 Neelicol Eosine eosina Eosin Y,Indicator grade 2',4',5',7'-Tetrabromo-3',6'-bis(sodiooxy)spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate Eosin Y, Indicator ade, pureR 2',4',5',7'-Tetrabromo-3',6'-dihydroxyspiro[isobenzofuran-1(3H), 9'-[9H]xanthan]-3-one disodium salt Eosin Y water BPW 10X225ML IN ML BOTTLE Eosin Y Na EOSIN Y, INDICATOR ADE May-ünwald Stain Eosin Disodium EosinY,Water Orient Watger Red 2 Simacid Eosine Y EOSIN Y SOLUTION INDICATOR Eosin Y,high purity, biological stain Disodium 2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate tetrabromofluorescein C.I. Solvent Red 43 Japan Red No EOSIN-HEMATOXYLIN SOLUTION ACC. TO EHRLI CH, F. MICROSCOPY Silk Dischge Orange 3r EINECS 241-409-6 bromofluoresceic acid bromob EOSIN YELLOWISH SOLUTION /L, S34 2.5 L Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate bromots EOSIN Y CERTIFIED bromoxx MFCD00131580 AMI-5 EOSIN Y, 5 WT. % SOLUTION IN WATER D&C Red No. 22 Triacid Eosine EOSIN YELLOWISH WATER-SOLUBLE, FOR MICROSCOPY dawnred EOSIN Y C.I. NO. 45380 FOR MICROSCOPY WATER SOLUBLE EOSIN Y DISODIUM SALT, CERTIFIED BY THE BIOLOGICAL STAIN COMMISSION Eosin Y,high purity,biological stain 2',4',5',7'-tetrabromofluorescein) disodium salt EOSIN Y C.I. NO. 45380 , DYE Eosin Y sodiuM salt water soluble Sodium Eosin Eosin Y water soluti Tetrabromo(R)fluotrsein sodium salt EOSIN Y DISODIUM Bronze Bromo ES EOSIN Y (YELLOWISH) FOR MICR Red A 2',4',5',7'-Tetrabromofluorescein disodium salt D & C Red no. 21 Eosin Y,Indicator ade Eosin sodium salt EOSIN YELLOWISH SOLUTION, FOR MICROSCOPY eosine acid 2na Bromo acid J. TS,XL,or XX 9-(o-Cboxyphenyl)-6-hydroxy-3-H-xanthene-3-one disodium salt Red No. 22 Tetrabromofluorescein Sodium Salt Bromoeosine Red Acid red 87, Eosin yellowish solution, 2μ,4μ,5μ,7μ-Tetrabromofluorescein disodium salt EOSIN Y DISODIUM ELECTROPHORESIS AKA230 Eosin Y,certified Bromofluorescein Vicoacid Eosine RED 21 LAKE Red No. 22,Eosin yellowish Eosin yellowish, C.I. 45380, for microscopy bromofl EOSIN DISODIUM SALT Eosine Yellowish-(YS)

Description	Eosin Y (disodium) is a soluble acid red dye molecule. Eosin Y 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, König B. Synthetic applications of eosin Y in photoredox catalysis. Chem Commun (Camb). 2014;50(51):6688-6699. [2]. National Center for Biotechnology Information. PubChem Compound Summary for CID 20388, Dibromofluorescein.

Density	1.02 g/mL at 20 °C
Boiling Point	682.3ºC at 760mmHg
Melting Point	>300°C
Molecular Formula	C₂₀H₆Br₄Na₂O₅
Molecular Weight	691.854
Flash Point	11 °C
Exact Mass	687.674377
PSA	81.65000
LogP	7.59220
Water Solubility	freely soluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LM5850000

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

CAS REGISTRY NUMBER :: 17372-87-1

LAST UPDATED :: 199806

DATA ITEMS CITED :: 12

MOLECULAR FORMULA :: C20-H8-Br4-O5.2Na

MOLECULAR WEIGHT :: 693.90

WISWESSER LINE NOTATION :: T C666 BO EVJ DE FE IR BVQ& LE MQ NE &-NA- 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 500 mg/kg

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

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2344 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 :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 300 mg/kg

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 14 gm/kg/78W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1450 No. of Facilities: 2601 (estimated) No. of Industries: 18 No. of Occupations: 28 No. of Employees: 24024 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1450 No. of Facilities: 4477 (estimated) No. of Industries: 20 No. of Occupations: 29 No. of Employees: 59954 (estimated) No. of Female Employees: 28062 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H319
Precautionary Statements	P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	F,T,Xn,Xi
Risk Phrases	R11
Safety Phrases	S7-S16-S36/37-S45-S24/25-S61-S39-S26
RIDADR	UN 1230 3/PG 2
WGK Germany	1
RTECS	LM5850000
Hazard Class	3.0
HS Code	3822001000

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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