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Basic Information
| CAS No.: | 75-16-1 |
|---|---|
| Name: | METHYLMAGNESIUM BROMIDE |
| Molecular Structure: | |
|
|
|
| Formula: | CH3BrMg |
| Molecular Weight: | 119.244 |
| Synonyms: | Methylmagnesiumbromide (6CI);Bromomethylmagnesium; |
| EINECS: | 200-844-1 |
| Density: | 1.035 g/mL at 25 °C |
| Melting Point: | 0oC |
| Boiling Point: | 78-80 oC |
| Flash Point: | -20 oC |
| Solubility: | vigorous reaction with water |
| Appearance: | Clear brown solution when properly stored |
| Hazard Symbols: |
 F, C
|
| Risk Codes: | 12-14-19-22-34-66-67-52/53-10-65-63-48/20-14/15-11 |
| Safety: | 9-16-26-45-61-36/37/39-62-43-36/37-23 |
| Transport Information: | UN 3399 4.3/PG 1 |
| PSA: | 0.00000 |
| LogP: | 1.42940 |
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Synthetic route
- 74-95-3
1,2-dibromomethane
A
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propene
B
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ethene
C
- 75-16-1
methylmagnesium bromide
D
- 27329-47-1
methylenedimagnesium dibromide
Conditions
| Conditions | Yield |
|---|---|
| With amalgamated magnesium In diethyl ether; benzene at 0℃; special sealed glass apparatus; Further byproducts given; | A n/a B n/a C n/a D 50% E n/a |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With magnesium In diethyl ether Thermodynamic data; -ΔH(reaction); | |
| With magnesium at -258.2℃; Product distribution; codeposition with other metals under matrix isolation conditions; | |
| With magnesium In diethyl ether |
Conditions
| Conditions | Yield |
|---|---|
| In dichloromethane |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| In dichloromethane |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With diethyl ether |
- 87-41-2
2-benzofuran-1(3H)-one
- 75-16-1
methylmagnesium bromide
- 55549-01-4
α,α-dimethyl-o-xylene α,α'-diol
Conditions
| Conditions | Yield |
|---|---|
| at -78 - 20℃; | 100% |
| In tetrahydrofuran; diethyl ether at 30℃; for 12.5h; | 88% |
| unter Wasserabgabe entsteht 1.1-Dimethyl-phthalan; |
- 75-16-1
methylmagnesium bromide
- 15174-47-7
α-methyl-trans-cinnamaldehyde
- 87422-10-4
(E)-3-methyl-4-phenyl-but-3-en-2-ol
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: methylmagnesium bromide; α-methyl-trans-cinnamaldehyde In tetrahydrofuran; diethyl ether at 0℃; for 0.5h; Inert atmosphere; Stage #2: With water; ammonium chloride In tetrahydrofuran; diethyl ether | 100% |
| With diethyl ether |
- 51934-41-9
4-iodobenzoic acid ethyl ester
- 75-16-1
methylmagnesium bromide
- 60514-82-1
2-(4-iodophenyl)propan-2-ol
Conditions
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 0℃; for 72h; | 100% |
- 22725-38-8
3-methoxy-5H-dibenzo[a,d]cyclohepten-5-one
- 75-16-1
methylmagnesium bromide
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Conditions
| Conditions | Yield |
|---|---|
| In tetrahydrofuran; diethyl ether for 6h; Ambient temperature; | 100% |
Conditions
| Conditions | Yield |
|---|---|
| In diethyl ether at -40℃; Grignard reaction; | 100% |
| In tetrahydrofuran at 0℃; Grignard reaction; | 90% |
| In tetrahydrofuran; diethyl ether at -40 - 25℃; for 15h; Inert atmosphere; | 83% |
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METHYLMAGNESIUM BROMIDE
Chemistry
MF: CH3BrMg
MW: 119.24
density 1.035 g/mL at 25 °C
Fp 77 °F
storage temp. water-free area
Sensitive Air & Moisture Sensitive
MW: 119.24
density 1.035 g/mL at 25 °C
Fp 77 °F
storage temp. water-free area
Sensitive Air & Moisture Sensitive
Toxicity Data With Reference
RTECS OM3700000
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
May ignite spontaneously in air. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. When heated to decomposition it emits acrid smoke and irritating fumes. See also ETHERS, MAGNESIUM COMPOUNDS, and BROMIDES.
Standards and Recommendations
DOT Classification: 4.3; Label: Dangerous When Wet, Flammable Liquid