methyl iodide; iodomethane
CAS 74-88-4 · CH3I
Hazard classDanger — Health hazard, Toxic
PictogramsHealth hazardToxic
H-statements- H351 Suspected of causing cancer
- H331 Toxic if inhaled
- H312 Harmful in contact with skin
- H301 Toxic if swallowed
- H335 May cause respiratory irritation
- H315 Causes skin irritation
Common uses (US EPA CDR)Soil amendments (fertilizers)Processing aids not otherwise specifiedPreservativeCatalyst
Workplace exposure limitsNIOSH REL Ca TWA 2 ppm (10 mg/m3) [skin]
OSHA PEL TWA 5 ppm (28 mg/m3) [skin]
IDLH Ca [100 ppm]Occupational exposure limits — NIOSH Pocket Guide.
SynonymsIODOMETHANE · Methyl iodide · Monoiodomethane · Methane, iodo- · Methyljodid · Jod-methan · Iodometano · Joodmethaan
Molecular weight141.939 g/mol
Data sourceHarmonised classification ECHA — EU CLP Annex VILegally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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