Dibromomethane
ALDRICH/D41686 - 99%
Synonym: Methylene bromide
CAS Number: 74-95-3
Empirical Formula (Hill Notation): CH2Br2
Molecular Weight: 173.83
EC Number: 200-824-2
MDL Number: MFCD00000168
Linear Formula: CH2Br2
Product Type: Chemical
| assay | 99% |
| bp | 96-98 °C (lit.) |
| density | 2.477 g/mL at 25 °C (lit.) |
| form | liquid |
| InChI | 1S/CH2Br2/c2-1-3/h1H2 |
| InChI key | FJBFPHVGVWTDIP-UHFFFAOYSA |
| mp | −52 °C (lit.) |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | BrCBr |
| vapor density | 6.05 (vs air) |
| vapor pressure | 34.9 mmHg ( 20 °C) |
| Application: | Dibromomethane may be used for the cyclopropanation of alkenes via Simmons-Smith type reaction. It may also be used in a novel methodology for the preparation of reaction intermediates such as α-substituted acroleins, α-methylene esters, α-keto esters, α-methylene lactones, α-methylene lactams, and α-keto lactones. |
| Packaging: | 1, 2 L in glass bottle |
| Packaging: | 500 mL in glass bottle |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H332 - H412 |
| Precautionary statements | P273 - P304 + P340 + P312 |
| Hazard Codes | Xn |
| Risk Statements | 20-52/53 |
| Safety Statements | 24-61 |
| RIDADR | UN 2664 6.1 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99% |
| bp | 96-98 °C (lit.) |
| mp | −52 °C (lit.) |
| Density | 2.477 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |


