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Chemical substance

Methyl isocyanide

Also known as Isocyanomethane, Methyl isonitrile, Methylisonitrile

CAS 593-75-9Formula C2H3NMolar mass 41.05 g/molEC 209-806-9
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard
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Methyl isocyanide chemical structure, C2H3N, CAS 593-75-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
593-75-9
Formula
C2H3N
Molar mass
41.05 g/mol
EC number
209-806-9
HS code
292990

What is Methyl isocyanide?

Plain description, key identifiers and synonyms

Isocyanomethane is an isocyanide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
isocyanomethane
CAS number
593-75-9 CAS number cross-checked
EC number
209-806-9
Molecular formula
C2H3N
UNII
B5B6DXM7GG
MDL number
MFCD05864413
InChIKey
ZRKSVHFXTRFQFL-UHFFFAOYSA-N
InChI
InChI=1S/C2H3N/c1-3-2/h1H3
SMILES (canonical and isomeric)
C[N+]#[C-]

Synonyms

  • Isocyanomethane
  • Methyl isonitrile
  • Methylisonitrile
  • Methane, isocyano-
  • CNMe
  • MeNC
  • isoacetonitrile
  • Isoacetonitrile, Methyl Isonitrile
  • methylisocyanide

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
41.05 g/molcalc.
Exact mass
41.0265 Dacalc.
LogP (octanol/water)
0.54calc.
Topological polar surface area
4.36 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (15)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Methyl isocyanide suppliers

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Methyl isocyanide price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Methyl isocyanide is traded under.

HS 2929.90Indicative HS code

Compounds with other nitrogen function, other

World exports in 2024
$712M
+1.5% vs 2023, imports $703M
2019 to 2024
Top exporters
  1. China32.1%
  2. South Korea18.0%
  3. Germany13.3%
Top importers
  1. United States19.3%
  2. Japan8.0%
  3. China7.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Methyl isocyanide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Methyl isocyanide, based on the data on this page

What is Methyl isocyanide?

Isocyanomethane is an isocyanide.

What is the CAS number of Methyl isocyanide?

The CAS registry number of Methyl isocyanide is 593-75-9.

What is the molecular formula and weight of Methyl isocyanide?

The molecular formula of Methyl isocyanide is C2H3N and its molar mass is 41.05 g/mol.

Is Methyl isocyanide hazardous?

Methyl isocyanide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Methyl isocyanide?

Methyl isocyanide is usually classified under HS code 292990 (Compounds with other nitrogen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methyl isocyanide?

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What is the price of Methyl isocyanide?

Suppliers quote Methyl isocyanide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Methyl isocyanide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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