3,4-DIMETHOXYPHENYLMAGNESIUM BROMIDE - Names and Identifiers
Name | 3,4-Dimethoxyphenylmagnesium bromide
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Synonyms | 3,4-Dimethoxyphenylmagnesium bromide 3,4-DIMETHOXYPHENYLMAGNESIUM BROMIDE 3,4-dimethoxyphenylmagnesium bromide solution 3,4-DiMethoxyphenylMagnesiuM broMide, 0.5M in THF 3,4-Dimethoxyphenylmagnesium bromide solution 0.5 in THF 3,4-Dimethoxyphenylmagnesium bromide 0.5M solution in THF 3,4-Dimethoxyphenylmagnesium bromide solution 0.5 M in THF 3,4-DIMETHOXYPHENYLMAGNESIUM BROMIDE, 0.5M SOLUTION IN TETRAHYDROFURAN
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CAS | 89980-69-8
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3,4-DIMETHOXYPHENYLMAGNESIUM BROMIDE - Physico-chemical Properties
Molecular Formula | C8H9BrMgO2
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Molar Mass | 241.36 |
Density | 0.960g/mLat 25°C |
Boling Point | 65°C |
Flash Point | 1°F |
Water Solubility | Reacts with water. |
Exposure Limit | ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)OSHA: TWA 200 ppm(590 mg/m3)NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3) |
Storage Condition | 2-8°C |
Sensitive | Air & Moisture Sensitive |
3,4-DIMETHOXYPHENYLMAGNESIUM BROMIDE - Risk and Safety
Risk Codes | R11 - Highly Flammable
R19 - May form explosive peroxides
R34 - Causes burns
R37 - Irritating to the respiratory system
R36/37 - Irritating to eyes and respiratory system.
R40 - Limited evidence of a carcinogenic effect
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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.
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.)
S36/37 - Wear suitable protective clothing and gloves.
S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
S8 - Keep container dry.
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UN IDs | UN 2924 3/PG 2 |
WGK Germany | 1 |
HS Code | 29319090 |
Hazard Class | 3 |
3,4-DIMETHOXYPHENYLMAGNESIUM BROMIDE - Introduction
3. bromide is an organic compound with a chemical formula of C8H9BrMgO2. It is a highly reactive organometallic reagent and is one of the important reagents commonly used in organic synthesis.
Nature:
3, bromide is a solid that is easily soluble in ethanol and ether. Its solution is usually dark brown to brown. This compound is very sensitive to air and water and needs to be handled under a dry, inert atmosphere.
Use:
3. bromide is commonly used in the reaction of Geyard-oxalate in organic synthesis, the reaction of magnesium reagents for the synthesis of ketones and aromatic compounds. It can react with esters, acid chlorides, halogenated hydrocarbons, etc. to generate corresponding carbonyl compounds or other organic functional groups.
Preparation Method:
The preparation of bromide is usually obtained by reacting 3,4-dimethoxybromobenzene with magnesium powder. The reaction is generally carried out in a dry inert atmosphere, and may be heated to reflux using a solvent such as methylene chloride. The resulting 3, calcium bromide can be extracted by dropping ethanol, ether, or other suitable solvent.
Security Information:
3, bromide is an organometallic reagent, which has certain risks. It has an irritating effect on the skin, eyes and respiratory tract, so personal protective measures should be taken when using it. In addition, because it is very sensitive to water and air, it needs to be stored and operated under dry conditions, and to prevent contact with moisture, oxygen and other substances. It should be stored in a sealed container, away from fire and high temperature. In the process of use, it is recommended to follow the correct laboratory operation procedures and corresponding safety operation specifications.
Last Update:2024-04-10 22:29:15