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Molecule
Eosine YS
CAS: 17372-87-1 · C20H8Br4Na2O5
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 17372-87-1
- Molecular Formula
- C20H8Br4Na2O5
- Molecular Mass
- 693.88 g/mol
Identifiers
CAS Registry Number
17372-87-1
SMILES
O=C1OC2(c3ccccc31)c1cc(Br)c(O)c(Br)c1Oc1c2cc(Br)c(O)c1Br.[Na].[Na]
InChI Key
WUMPFXDWXTYERP-UHFFFAOYSA-N
InChI
InChI=1S/C20H8Br4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;;
Names and Synonyms
- Eosine YS Synonym
- Eosin Y Synonym
- Orient Water Red 2 Synonym
- Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 2′,4′,5′,7′-tetrabromo-3′,6′-dihydroxy-, sodium salt (1:2) Synonym
- Fluorescein, 2′,4′,5′,7′-tetrabromo-, disodium salt Synonym
- Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 2′,4′,5′,7′-tetrabromo-3′,6′-dihydroxy-, disodium salt Synonym
- Eosin Yellowish Synonym
- Eosin Synonym
- Eosine A Synonym
- Eosine G Synonym
- Eosine Yellowish Synonym
- 11731 Red Synonym
- Bromo X 100 Synonym
- Bromo 4D Synonym
- Bromo 4DC Synonym
- Bromo 4DL Synonym
- Eosin Y Synonym
- Eosine J Synonym
- Eosine w/s Synonym
- Eosine Y Synonym
- Eosine 3G Synonym
- Eosine 3Y Synonym
- Eosine K Salt Free Synonym
- Tetrabromofluorescein S Synonym
- D and C Red No. 22 Synonym
- Eosine Synonym
- Eosine sodium salt Synonym
- C.I. Acid Red 87 Synonym
- Tetrabromofluorescein Synonym
- 11445 Red Synonym
- C.I. 45380 Synonym
- Aizen Eosine GH Synonym
- Bromo B Synonym
- Bromoeosine Synonym
- Bromo FL Synonym
- Bromofluoresceic acid Synonym
- Bromofluorescein Synonym
- Bromo JPS Synonym
- Bromo TS Synonym
- Bromo XX Synonym
- Bronze Bromo Synonym
- Certiqual Eosine Synonym
- Eosine BPC Synonym
- Eosine BS Synonym
- Eosine BS-SF Synonym
- Eosine DA Synonym
- Eosine DWC 73 Synonym
- Eosine Extra Conc. A. Export Synonym
- Eosine FA Synonym
- Eosine GF Synonym
- Eosine Lake Red Y Synonym
- Eosine OJ Synonym
- Eosine Salt Free Synonym
- Eosine YB Synonym
- Eosin YS Synonym
- Fenazo Eosine XG Synonym
- Hidacid Boiling Bromo Synonym
- Hidacid Bromo acid regular Synonym
- Hidacid Dibromo Fluorescein Synonym
- Hidacid Eosine Soda Salt Synonym
- Hidacid White Bromo Synonym
- Irgalite Bronze Red CL Synonym
- Phloxine Red 20-7600 Synonym
- Phloxine Toner B Synonym
- Phlox Red Toner X 1354 Synonym
- Pure Eosine YY Synonym
- Symuler Eosin Toner Synonym
- Tetrabromofluorescein D Synonym
- Tetrabromofluorescein soluble Synonym
- Toyo Eosine G Synonym
- 1903 Yellow Pink Synonym
- Sodium eosine Synonym
- Eosine S 13 Synonym
- Eosin yellow Synonym
- Sodium eosinate Synonym
- Bromo acid Synonym
- Disodium eosin Synonym
- Eosine sodium Synonym
- Eosine S Synonym
- Acid Red 87 Synonym
- Eosine water-soluble Synonym
- Sodium eosin Synonym
- Eosine Extra Yellowish Synonym
- Eosine K Synonym
- Food Red 103 Synonym
- Red 103 Synonym
- Eosine Yellow Synonym
- Water Red 2 Synonym
- Japan Red 103 Synonym
- Red No. 103 Synonym
- Japan Red No. 103 Synonym
- Morning red Synonym
- Dawn red Synonym
- Eosine GH Synonym
- Basacid Red 316 Synonym
- Eosin A Synonym
- D&C Red No. 22 Synonym
- Japan Red 230-1 Synonym
- Japan Red No. 230-1 Synonym
- Red No. 230-1 Synonym
- Eosin OJ Synonym
- D&C Red 22 Synonym
- Chugai Ink Red AM 5 Synonym
- Daiwa Red 103WB Synonym
- Japan Red 230-2 Synonym
- Neelicol Eosine Synonym
- D&C Red No. 22-90133 Synonym
- Acid Red 87-39014 Synonym
- Triacid Eosine Synonym
- Eosine AG Synonym
- ABCO Eosin Synonym
- Abbey Eosin Synonym
- Silk Discharge Orange 3R Synonym
- Eosine SSO Synonym
- Eosine Y 90133 Synonym
- Simacid Eosine Y Synonym
- Aizen Eosine Synonym
- Orient Watger Red 2 Synonym
- Vicoacid Eosine Synonym
- Cogilor Orange 212.10 Synonym
- Eosin Y 17255 Synonym
- Conacid Red ML Synonym
- Dycosweak Acid Red A Synonym
- Dinacid Eosine Red Synonym
- Red 17255 Synonym
- Aizen Eosine GH 35%-L Synonym
- Shuhong Synonym
- Eosin G Synonym
- Field's stain solution B Synonym
- Field's stan B Synonym
- Field stain B Synonym
- Field stain solution B Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 693.88 g/mol | CAS Common Chemistry |
| 693.8750000000001 g/mol | RDKit | |
| 693.875 g/mol | RDKit | |
| 695.891 g/mol | chempirical lib | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Eosin_Y | CAS Common Chemistry |
| Canonical SMILES | [Na].O=C1OC2(C=3C=CC=CC13)C4=CC(Br)=C(O)C(Br)=C4OC5=C(Br)C(O)=C(Br)C=C52 | CAS Common Chemistry |
| InChI | InChI=1S/C20H8Br4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;; | CAS Common Chemistry |
| InChI Key | InChIKey=WUMPFXDWXTYERP-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 295.5 °C | CAS Common Chemistry |
| Name | Eosin | CAS Common Chemistry |
| Eosin Y | CAS Common Chemistry | |
| Heavy Atom Count | 31 | RDKit |
| Hydrogen Bond Acceptors | 5 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 3 | RDKit |
| Topological Polar Surface Area | 75.99000000000001 Ų | RDKit |
| 75.99 Ų | RDKit | |
| LogP | 5.954200000000004 | RDKit |
| 5.9542 | RDKit | |
| Molar Refractivity | 130.3351 cm³/mol | RDKit |
| Ring Count | 5 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.05 | RDKit |
| Exact Mass | 689.6900603160001 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
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6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
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MW = 693.88 g/mol. Edit any field — others recompute live.
