1-甲基-丙烯基溴化镁
1-methyl-1-propenylmagnesium bromide
CAS: 85676-85-3
Molecular Formula: C4H7BrMg
1-甲基-丙烯基溴化镁 - Names and Identifiers
1-甲基-丙烯基溴化镁 - Physico-chemical Properties
| Molecular Formula | C4H7BrMg |
| Molar Mass | 159.31 |
| Density | 0.934g/mLat 25°C |
| Boling Point | 67°C |
| Flash Point | −15°F |
| Appearance | Liquid |
| Color | Colorless to dark yellow |
1-甲基-丙烯基溴化镁 - Risk and Safety
| Risk Codes | R11 - Highly Flammable R14/15 - R19 - May form explosive peroxides R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns R37 - Irritating to the respiratory system R40 - Limited evidence of a carcinogenic effect R36/37/38 - Irritating to eyes, respiratory system and skin. R15 - Contact with water liberates extremely flammable gases |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 3399 4.3/PG 2 |
| WGK Germany | 3 |
| HS Code | 29319090 |
1-甲基-丙烯基溴化镁 - Introduction
bromide is an organic compound with the chemical formula C4H7BrMg. It is a colorless or light yellow liquid, flammable at room temperature. It is soluble in anhydrous ether and petroleum ether and can undergo nucleophilic substitution reactions.
A bromide is mainly used as a reagent in organic synthesis. It can be used as a Grignard reagent (Grignard reagent) to participate in the reaction, converting the carbon-bromine bond into a more active negative oxygen ion, thereby introducing a new carbon-carbon bond and expanding the structure of molecules and compounds. It is widely used in the synthesis of alcohols, ethers, ketones, esters and other organic compounds. In addition, it can be used as a precursor for radiation agents and metal organic compounds.
The preparation of calcium bromide can be carried out by the following steps: First, magnesium hydroxide is reacted with 1-bromopropene to generate magnesium bromide, and then methyl bromide is reacted with the generated magnesium bromide to obtain bromide. The preparation process needs to be carried out under an inert atmosphere, and the reaction conditions and operation need to be strictly controlled.
Regarding safety information, bromide is an organic compound and has a certain degree of danger. It can cause irritating and corrosive effects and is harmful to the eyes, skin and respiratory system. During use, you should wear appropriate protective equipment to avoid contact with skin and eyes, and pay attention to prevent inhalation or ingestion. In addition, it is a flammable substance and should be protected from contact with oxygen, strong oxidants and fire sources. During storage and handling, necessary safety measures shall be taken and relevant regulations and operating procedures shall be observed.
A bromide is mainly used as a reagent in organic synthesis. It can be used as a Grignard reagent (Grignard reagent) to participate in the reaction, converting the carbon-bromine bond into a more active negative oxygen ion, thereby introducing a new carbon-carbon bond and expanding the structure of molecules and compounds. It is widely used in the synthesis of alcohols, ethers, ketones, esters and other organic compounds. In addition, it can be used as a precursor for radiation agents and metal organic compounds.
The preparation of calcium bromide can be carried out by the following steps: First, magnesium hydroxide is reacted with 1-bromopropene to generate magnesium bromide, and then methyl bromide is reacted with the generated magnesium bromide to obtain bromide. The preparation process needs to be carried out under an inert atmosphere, and the reaction conditions and operation need to be strictly controlled.
Regarding safety information, bromide is an organic compound and has a certain degree of danger. It can cause irritating and corrosive effects and is harmful to the eyes, skin and respiratory system. During use, you should wear appropriate protective equipment to avoid contact with skin and eyes, and pay attention to prevent inhalation or ingestion. In addition, it is a flammable substance and should be protected from contact with oxygen, strong oxidants and fire sources. During storage and handling, necessary safety measures shall be taken and relevant regulations and operating procedures shall be observed.
Last Update：2024-04-10 22:29:15
