CH3I
141.939 g/mol
Pharmaceutical IntermediateDanger
Methyl iodide
CAS74-88-4EC200-819-5
Category
Pharmaceutical Intermediate
Compound Class
Halocarbon
Primary Use
Pharmaceutical Intermediate
Methyl iodide is a chemical compound used as an intermediate in the production of certain pharmaceuticals and pesticides. According to the PubChem description, it can cause cancer based on expert evaluation.
intermediate in pharmaceutical manufacturingintermediate in pesticide productionmethylating agent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 74-88-4
Related Compounds
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CAS7400-08-0
pharmaceutical intermediate
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pharmaceutical intermediate
ReferenceSame Category
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CAS74073-22-6
pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
Referencestereoisomer of
Iodomethane-d2
CAS865-43-0
research compound
Referencestereoisomer of
Iodo(2H3)methane
CAS865-50-9
pharmaceutical intermediate
Referencestereoisomer of
Iodomethane-d
CAS992-96-1
research compound
Referencestereoisomer of
Iodo(113C)methane
CAS4227-95-6
research compound
Safety Reference
Danger
H301Toxic if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H331Toxic if inhaled
H335May cause respiratory irritation
H351Suspected of causing cancer
H226Flammable liquid and vapour
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
H330Fatal if inhaled
H336May cause drowsiness or dizziness
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
H318Causes serious eye damage
H361Suspected of damaging fertility or the unborn child
Customs Tariff Classification
The international HS code for Methyl iodide (CAS 74-88-4) is 2903.69.
HS code (international, 6-digit)
2903.69
EU CN code (8-digit)
2903 69 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
iodomethane
InChIKey
INQOMBQAUSQDDS-UHFFFAOYSA-N
SMILES
CI
Synonyms (49)
- 1-iodomethane
- Halon 10001
- Iodmethan
- Iodometano
- Iodometano [Italian]
- Iodomethane, SAJ first grade
- Iodomethane, ampule of 100 mg
- Iodomethane, for synthesis
- Iodure de methyle
- Iodure de methyle [French]
- Jod-methan
- Jod-methan [German]
- Joodmethaan
- Joodmethaan [Dutch]
- Methane, iodo-
- Methyl iodide
- Methyl iodine
- Methyliodid
- Methyljodid
- Methyljodid [German]
- Methyljodide
- Methyljodide [Dutch]
- Metylu jodek
- Metylu jodek [Polish]
- Monoiodmethan
- Monoiodomethane
- Monoioduro di metile
- carbon-iodine
- iodmethane
- iodo-methane
- iodometane
- iodomethan
- iodornethane
- mehyl iodide
- methiodide
- methy iodide
- metyl iodide