Benzene, 1,2-diiodo-
1,2-diiodobenzene
CAS: 615-42-9
Molecular Formula: C6H4I2
Benzene, 1,2-diiodo- - Names and Identifiers
| Name | 1,2-diiodobenzene |
| Synonyms | O-DIIODOBENZENE 1,2-DIIODOBENZENE 1,2-diiodo-benzen 1,2-diiodobenzene Benzene, o-diiodo- benzene,1,2-diiodo- Benzene, 1,2-diiodo- 1,2-Diiodobenzene (stabilized with Copper chip) |
| CAS | 615-42-9 |
| EINECS | 210-425-5 |
| InChI | InChI=1/C6H4I2/c7-5-3-1-2-4-6(5)8/h1-4H |
Benzene, 1,2-diiodo- - Physico-chemical Properties
| Molecular Formula | C6H4I2 |
| Molar Mass | 329.9 |
| Density | 2.524 g/mL at 25 °C (lit.) |
| Melting Point | >300°C |
| Boling Point | 152 °C/15 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | Slightly miscible with water. |
| Vapor Presure | 0.00501mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 2.524 |
| Color | Clear yellow to brownish |
| BRN | 1855315 |
| Storage Condition | 2-8°C |
| Sensitive | Light Sensitive |
| Refractive Index | n20/D 1.718(lit.) |
Benzene, 1,2-diiodo- - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | T |
| HS Code | 29039990 |
| Hazard Class | IRRITANT |
Benzene, 1,2-diiodo- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | 1,2-diiodobenzene is an organic intermediate. |
| Preparation | 1,2-diiodobenzene can be prepared by a one-step reaction of o-iodide trimethylsilane and elemental iodine. weigh 0.5mmol of o-iodotrimethylsilane, 0.5mmol of elemental iodine, 1-chloromethyl -4-fluorine -1,4-diazabicyclo [2.2.2] octane di (tetrafluoroborate) salt 1mmol into a 25mL round bottom flask, add magnets and 3mL acetonitrile, stir for 30 minutes at room temperature, spin off acetonitrile solvent with a rotary evaporator after the reaction, and dissolve residue with 1mL dichloromethane, the residue was purified by column analysis of silica gel layer to obtain 1,2-diiodobenzene in a yield of 96%. |
Last Update：2024-04-10 22:29:15
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