Benzene, 1-fluoro-2-methoxy-
2-Fluoroanisole
CAS: 321-28-8
Molecular Formula: C7H7FO
Benzene, 1-fluoro-2-methoxy- - Names and Identifiers
Benzene, 1-fluoro-2-methoxy- - Physico-chemical Properties
| Molecular Formula | C7H7FO |
| Molar Mass | 126.13 |
| Density | 1.124g/mLat 25°C(lit.) |
| Melting Point | −39°C(lit.) |
| Boling Point | 154-155°C(lit.) |
| Flash Point | 140°F |
| Vapor Presure | 4.49mmHg at 25°C |
| Appearance | clear liquid |
| Specific Gravity | 1.124 |
| Color | Colorless to Light yellow to Light orange |
| BRN | 1859755 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.494(lit.) |
| Physical and Chemical Properties | Density 1.124 melting point -39°C boiling point 154-155°C refractive index 1.494-1.496 flash point 53°C |
| Use | Used as pharmaceutical, pesticide intermediates |
Benzene, 1-fluoro-2-methoxy- - Risk and Safety
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S27 - Take off immediately all contaminated clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| HS Code | 29093090 |
| Hazard Note | Flammable |
| Hazard Class | 3 |
| Packing Group | III |
Benzene, 1-fluoro-2-methoxy- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| use | organic synthesis intermediate. Used as an intermediate in medicine and pesticide |
| production method | o-aminoanisole is diazotized with sodium thylene, then fluoroboric acid solution is added dropwise to the obtained diazonium salt, and the reactant is placed at -10 ℃ for 3 hours, I .e. brown precipitate is precipitated, filtered, washed and dried to obtain o-methoxy diazobenzoborate. After heating and decomposing under reduced pressure, o-fluoroanisole is evaporated and collected in the recipient, and the finished product is refined with a 26.8% yield. |
Last Update：2024-04-10 22:29:15
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