8.06064

Iodomethane

• Synonym(s): Iodomethane, Methyl iodide
• Empirical Formula (Hill Notation): CH₃I
• CAS Number: 74-88-4
• Molecular Weight: 141.94
• Beilstein: 969135
• MDL number: MFCD00001073
• UNSPSC Code: 41116105
• NACRES: NA.22

Properties

• vapor density: 4.89 (vs air)
• Quality Level: 200
• vapor pressure: 24.09 psi ( 55 °C); 540 hPa ( 25 °C); 7.89 psi ( 20 °C)
• Assay: ≥99.0% (GC)
• form: liquid
• potency: 79.84 mg/kg LD₅₀, oral (rat)
• expl. lim.: 8.5-66 % (v/v)
• refractive index: n20/D 1.531 (lit.)
• pH: 5.2 (25 °C in H₂O)
• bp: 41-43 °C (lit.); 42 °C/1013 hPa
• mp: -66 °C; −64 (lit.)
• solubility: 8.66 g/L
• density: 2.28 g/cm³ at 20 °C; 2.28 g/mL at 25 °C (lit.)
• SMILES string: CI
• InChI: 1S/CH3I/c1-2/h1H3
• InChI key: INQOMBQAUSQDDS-UHFFFAOYSA-N

Description

General description

stabilised with silver for synthesis

Application

Iodomethane (stabilised with silver) for synthesis. CAS 74-88-4, pH 5.2 (H₂O, 25 °C).

Storage and Stability

Store below +30°C.

Analysis Note

Assay (GC, area%):≥ 99.0 % (a/a)
Identity (IR):passes test

Safety Information

• Pictograms: 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 Classifications: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 89.8 °F - closed cup
• Flash Point(C): 32.1 °C - closed cup