Eosin structure, CAS 17372-87-1

Eosin

CAS Number17372-87-1

SynonymsAcid Red 87; Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:2); dawnred; bromo4d; eosin yellowish; 2',4',5',7'-tetrabromofluorescein) disodium salt; RED 22; eosina; Eosin Y,Indicator grade; Bronze Bromo ES; Eosin Y water; Red A; 2',4',5',7'-Tetrabromofluorescein disodium salt; D & C Red no. 21; eosine acid; tetrabromofluorescein; C.I. Solvent Red 43; Bromo acid J. TS,XL,or XX; Tetrabromofluorescein Sodium Salt; Bromoeosine; EINECS 241-409-6; bromofluoresceic acid; Eosin Y,certified; bromob; Bromofluorescein; Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate; bromots; bromoxx; Red No. 22,Eosin yellowish; MFCD00131580

Molecular FormulaC20H6Br4Na2O5

Molecular Weight691.85

Purity98.00%

Density1.02 g/mL at 20 °C

Boiling Point682.3ºC at 760mmHg

Melting Point>300°C

Flash Point

Appearanceliquid

EINECS

MSDSChineseEnglish

Symbol3.0

Signal WordWarning

Cat. No.: 2A-9037469 Purity: 98.00%
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Quality Control of [ 17372-87-1 ] Purity: 98.00% SDS Specification MoL

Chemical & Physical Properties
CAS Number17372-87-1
Catalog No.2A-9037469
Chinese Name曙红Y(水溶)
SynonymsAcid Red 87; Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:2); dawnred; bromo4d; eosin yellowish; 2',4',5',7'-tetrabromofluorescein) disodium salt; RED 22; eosina; Eosin Y,Indicator grade; Bronze Bromo ES; Eosin Y water; Red A; 2',4',5',7'-Tetrabromofluorescein disodium salt; D & C Red no. 21; eosine acid; tetrabromofluorescein; C.I. Solvent Red 43; Bromo acid J. TS,XL,or XX; Tetrabromofluorescein Sodium Salt; Bromoeosine; EINECS 241-409-6; bromofluoresceic acid; Eosin Y,certified; bromob; Bromofluorescein; Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate; bromots; bromoxx; Red No. 22,Eosin yellowish; MFCD00131580
Molecular FormulaC20H6Br4Na2O5
Molecular Weight691.85
Purity98.00
Density1.02 g/mL at 20 °C
Boiling Point682.3ºC at 760mmHg
Melting Point>300°C
Appearanceliquid
Water Solubilityfreely soluble
Storage ConditionSealed at room temperature, protected from light,
ApplicationEosin Y (disodium) is a soluble acidic red dye molecule. Eosin Y is widely used as a photoredox catalyst in organic synthesis.
HTC3822001000
PubChem ID24858876
MDL NumberMFCD00005040
SMILES[Na+].[Na+].[O-]C(=O)c1ccccc1C2=C3C=C(Br)C(=O)C(Br)=C3Oc4c(Br)c([O-])c(Br)cc24
InChI1S/C20H8Br4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2
InChI KeySEACYXSIPDVVMV-UHFFFAOYSA-L
Beilstein/REAXYS1443944
NACRES CodeNA.47
UNSPSC12171500
Hazard Symbols3.0
MSDSmsds/37469_1_17372_87_1.pdf
BioactivityChemical & Physical Properties
Use ofEosin Y (disodium) is a soluble acid red dye molecule. Eosin Y has a wide application in organic synthesis as a photoredox catalyst[1]. Properties Articles127 Biological Activity Chemical & Physical Properties
Tax Rebate13.0%
SupervisionNone. MFN tariff: 6.5%. Ordinary tariff: 20.0%
Transport InfoProduct name: Purity: 98.0%
MSDS Transport InfoModule 14. Shipping information 14.1 UN dangerous goods number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 Names specified by the United Nations (UN) European Land Transport Dangerous Regulations: Non-dangerous goods IMDG Code: Non-dangerous goods International air transport dangerous goods regulations: non-dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Dangerous Regulations: No International Maritime Transport Dangerous Regulations Maritime Pollutants: No International Air Transport Risk Regulations: No 14.6 Special reminder to users No data available The above information is believed to be correct, but is not all-inclusive and should be used as a guide only. The information in this document is based on our current knowledge and is Correct safety instructions apply to this product. This information does not represent a warranty as to the properties of this product. See reverse side of invoice or packing slip.
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