2161-90-2
1-methoxy-1,3-cyclohexadiene
CAS: 2161-90-2
Molecular Formula: C7H10O
2161-90-2 - Names and Identifiers
| Name | 1-methoxy-1,3-cyclohexadiene |
| Synonyms | 2,3-DIHYDROANISOLE 1-METHOXY-1,3-CYCLOHEXADIENE 1-Methoxycyclohexa-1,3-diene 1-methoxycyclohexa-1,3-diene 1-methoxy-1,3-cyclohexadiene 1,3-Cyclohexadiene, 1-methoxy- 1,3-Cyclohexadien-1-yl methyl ether 1-Methoxy-1,3-cyclohexadiene,2,3-Dihydroanisole |
| CAS | 2161-90-2 |
| EINECS | 218-483-3 |
| InChI | InChI=1/C7H10O/c1-8-7-5-3-2-4-6-7/h2-3,5H,4,6H2,1H3 |
2161-90-2 - Physico-chemical Properties
| Molecular Formula | C7H10O |
| Molar Mass | 110.15 |
| Density | 0.929 g/mL at 25 °C (lit.) |
| Melting Point | 96-97 °C |
| Boling Point | 40 °C/15 mmHg (lit.) |
| Flash Point | 80°F |
| Vapor Presure | 6.61mmHg at 25°C |
| Refractive Index | n20/D 1.488(lit.) |
2161-90-2 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S16 - Keep away from sources of ignition. S33 - Take precautionary measures against static discharges. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| Hazard Class | 3.2 |
| Packing Group | III |
2161-90-2 - Introduction
1-methoxy-1,3-cyclohexadiene is an organic compound with the chemical formula C7H10O. It is a colorless to pale yellow liquid with a pungent odor at room temperature.
The compound is mainly used in organic synthesis, as a reaction intermediate or starting material. It has high reactivity and can participate in cyclization, aromatization and oxidation reactions.
The preparation of 1-methoxy-1,3-cyclohexadiene can be prepared by a variety of methods, the most commonly used method is through the demethylation reaction of toluenesulfonic acid. The specific step is that methylbenzenesulfonic acid is reacted with boric acid, and then demethylated by heating to obtain 1-methoxy-1,3-cyclohexadiene.
When using 1-methoxy-1,3-cyclohexadiene, you need to pay attention to the following security matters:
1. The compound has a pungent odor, and care should be taken to avoid inhaling vapors with high odor concentrations.
2. Contact with skin may cause irritation and allergic reactions. Wear gloves and ensure adequate ventilation.
3. In the process of Operation should avoid contact with strong oxidant and strong acid, to prevent dangerous reaction.
4. Storage should avoid high temperature and fire sources to prevent burning or explosion.
The compound is mainly used in organic synthesis, as a reaction intermediate or starting material. It has high reactivity and can participate in cyclization, aromatization and oxidation reactions.
The preparation of 1-methoxy-1,3-cyclohexadiene can be prepared by a variety of methods, the most commonly used method is through the demethylation reaction of toluenesulfonic acid. The specific step is that methylbenzenesulfonic acid is reacted with boric acid, and then demethylated by heating to obtain 1-methoxy-1,3-cyclohexadiene.
When using 1-methoxy-1,3-cyclohexadiene, you need to pay attention to the following security matters:
1. The compound has a pungent odor, and care should be taken to avoid inhaling vapors with high odor concentrations.
2. Contact with skin may cause irritation and allergic reactions. Wear gloves and ensure adequate ventilation.
3. In the process of Operation should avoid contact with strong oxidant and strong acid, to prevent dangerous reaction.
4. Storage should avoid high temperature and fire sources to prevent burning or explosion.
Last Update：2024-04-10 22:29:15
