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Synonym: Methyl iodide
CAS Number: 74-88-4
Empirical Formula (Hill Notation): CH3I
Molecular Weight: 141.94
Beilstein Registry Number: 969135
EC Number: 200-819-5
MDL number: MFCD00001073
PubChem Substance ID: 24896140![]()
| Related Categories | β-Glucuronidase, β-Glucuronidase Drug Analysis Bundle, Essential Chemicals, IOD - Iodomethane, Reagent Plus, |
| grade | ReagentPlus® |
| vapor density | 4.89 (vs air) |
| vapor pressure | 24.09 psi ( 55 °C) |
| 7.89 psi ( 20 °C) | |
| assay | 99% |
| contains | copper as stabilizer |
| refractive index | n |
| bp | 41-43 °C(lit.) |
| mp | −64(lit.) |
| density | 2.28 g/mL at 25 °C(lit.) |
10, 25 kg in ss drum
100, 500 g in glass btl
2 kg in glass btl
5 g in ampule
5 g packaged in ampules; 10 kg, 25 kg packaged in closed-head stainless steel drums; 100 g, 500 g, 2 kg packaged in glass bottles
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC
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| Symbol | ![]() GHS06, GHS08 |
| Signal word | Danger |
| Hazard statements | H301-H312-H315-H331-H335-H351 |
| Precautionary statements | P261-P280-P301 + P310-P311 |
| Personal Protective Equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US) |
| Hazard Codes | T |
| Risk Statements | 21-23/25-37/38-40 |
| Safety Statements | 36/37-38-45 |
| RIDADR | UN 2644 6.1/PG 1 |
| WGK Germany | 3 |
Merck 14,6087
Beil. 1,IV,87
Fieser 1,682 / Fieser 2,274 / Fieser 3,200 / Fieser 3,202 / Fieser 4,341 / Fieser 5,447 / Fieser 6,384 / Fieser 8,342 / Fieser 9,308
Aldrich MSDS 1, 1098:D / Corp MSDS 1 (1), 2000:D / FT-IR 2 (1), 82:D / FT-IR 1 (1), 55:A / FT-NMR 1 (1), 81:A / IR-Spectra (2), 40:A / IR-Spectra (3), 42:A / RegBook 1 (1), 57:C / Sax 6, 1620 / Sigma FT-IR 1 (2), 661:B / Structure Index 1, 7:D:1 / Vapor Phase 3, 82:A
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