Iodomethane
SIAL/289566 - contains copper as stabilizer, ReagentPlus®, 99.5%
Synonym: Methyl iodide
CAS Number: 74-88-4
Empirical Formula (Hill Notation): CH3I
Molecular Weight: 141.94
EC Number: 200-819-5
MDL Number: MFCD00001073
Linear Formula: CH3I
Product Type: Chemical
| assay | 99.5% |
| bp | 41-43 °C (lit.) |
| contains | copper as stabilizer |
| density | 2.28 g/mL at 25 °C (lit.) |
| dilution | (for general lab use) |
| form | liquid |
| functional group | alkyl halide |
| iodo | |
| InChI | 1S/CH3I/c1-2/h1H3 |
| InChI key | INQOMBQAUSQDDS-UHFFFAOYSA |
| mp | −64 (lit.) |
| product line | ReagentPlus® |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | CI |
| solubility | water: soluble 14 g/L at 20 °C |
| storage temp. | 2-8°C |
| vapor density | 4.89 (vs air) |
| vapor pressure | 24.09 psi ( 55 °C) |
| 7.89 psi ( 20 °C) |
| Application: | Iodomethane has been used as a methylating agent to synthesize: • N,N-dodecyl,methyl-polyethyl • Methylated-pyridine derivatives that can be used as RNA-specific fluorescent probes for live cell imaging. |
| General description: | Iodomethane is an alkyl halide commonly employed as methylating agent. |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Packaging: | 100, 4×100, 500 g in glass bottle |
| Symbol | ![]() ![]() ![]() GHS02,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H226 - H301 + H331 - H312 - H315 - H319 - H335 - H351 - H410 |
| Precautionary statements | P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P304 + P340 + P311 |
| Hazard Codes | T |
| Risk Statements | 21-23/25-37/38-40 |
| Safety Statements | 36/37-38-45 |
| RIDADR | UN 2644 6.1 / PGI |
| WGK Germany | WGK 3 |
| Flash Point(F) | 89.8 °F - closed cup |
| Flash Point(C) | 32.1 °C - closed cup |
| Purity | 99.5% |
| bp | 41-43 °C (lit.) |
| mp | −64 (lit.) |
| Density | 2.28 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352100 |





