C2H3NS
73.12 g/mol
AgrochemicalDanger
METHYL ISOTHIOCYANATE
CAS556-61-6EC209-132-5
Category
Agrochemical
Compound Class
Other
Primary Use
Soil fumigant and pesticide
Methyl isothiocyanate is a colorless liquid with a sharp odor that is lethal by inhalation in even small quantities. It does not provide adequate odor warning at low concentrations and is denser than water.
soil fumigantpesticideantimicrobial agent for wood preservation
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.
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nitrification inhibitor and plant growth regulator
ReferenceSame Category
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Insecticide and acaricide
Related Reading
Safety Reference
Danger
H301Toxic if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H331Toxic if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H310Fatal in contact with skin
H330Fatal if inhaled
H318Causes serious eye damage
H335May cause respiratory irritation
H315Causes skin irritation
H319Causes serious eye irritation
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H371May cause damage to organs
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for METHYL ISOTHIOCYANATE (CAS 556-61-6) is 2930.90.
HS code (international, 6-digit)
2930.90
EU CN code (8-digit)
2930 90 95
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
methylimino(sulfanylidene)methane
InChIKey
LGDSHSYDSCRFAB-UHFFFAOYSA-N
SMILES
CN=C=S
Synonyms (46)
- Morton EP-161E
- (Methylimino)(thioxo)methane
- Biomet 33
- Degussa methyl isothiocyanate
- Isothiocyanate de methyle
- Isothiocyanatomethane
- Isothiocyanatomethane, 9CI
- Isotiocianato de metilo
- Isotiocianato di metile
- METHYL ISOTHIOCYANATE
- MeNCS
- Methane, isothiocyanato-
- Methyl mustard
- Methyl thioisocyanate
- Methyl-isothiocyanat
- Methyl-isothiocyanat [German]
- Methylisothiocyanaat
- Methylisothiocyanaat [Dutch]
- Methylisothiocyanat [Denmark]
- Methylisothiokyanat
- Methylisothiokyanat [Czech]
- Methylsenfoel
- Methylsenfoel [German]
- Metile isotiocianato
- Mitc
- Trapex
- Trapexide
- Tropex
- Vorlex (Nor-Am)
- Vorlex 201 (Nor-Am)
- Vortex
- WN 12
- imazalil TP2
- methane isothiocyanate
- methane, (methylimino)thioxo-
- methylisothiocynate
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