| Identification | |
| Name: | Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-4',5'-diiodo-, sodium salt (1:2) |
| Synonyms: | Fluorescein,4',5'-diiodo-, disodium salt (8CI); Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-4',5'-diiodo-, disodium salt (9CI); Acid Red 95; C Red 35; C.I.45425; C.I. Acid Red 95; Certiqual diiodofluorescein; D & C Orange 11; Dand C Orange No. 11; Diiodoeosine; Diiodofluorescein; Diiodofluoresceindisodium salt; Erythrosin Y; Erythrosine Extra Yellowish; Erythrosine Y;Erythrosine Yellow; Erythrosine Yellowish; Erythrosine Yellowish NA; JapanOrange 207; Japan Orange No. 207; Simacid Erythrosine Y |
| CAS: | 33239-19-9 |
| EINECS: | 251-419-2 |
| Molecular Formula: | C20H10 I2 O5 . 2 Na |
| Molecular Weight: | 628.063 |
| InChI: | InChI=1/C20H10I2O5.2Na/c21-15-13(23)7-5-11-17(15)26-18-12(6-8-14(24)16(18)22)20(11)10-4-2-1-3-9(10)19(25)27-20;;/h1-8,23-24H;;/q;2*+1/p-2 |
| Molecular Structure: | ![(C20H10I2O5.2Na) Fluorescein,4',5'-diiodo-, disodium salt (8CI); Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6...](https://img1.guidechem.com/chem/e/dict/213/33239-19-9.jpg) |
| Properties | |
| Melting Point: | 240 ºC (dec.)(lit.) |
| Flash Point: | 323.2 ºC |
| Boiling Point: | 610.9 ºC at 760 mmHg |
| Flash Point: | 323.2 ºC |
| Safety Data | |
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