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Nitriles, nitro and azo compounds

Ethanimine

Also known as Acetaldimine, CH3CH=NH, (1Z)-ethanimine

CAS 20729-41-3Formula C2H5NMolar mass 43.07 g/mol
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Ethanimine chemical structure, C2H5N, CAS 20729-41-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
20729-41-3
Formula
C2H5N
Molar mass
43.07 g/mol
HS code
292529
Category
Nitriles, nitro and azo compounds

What is Ethanimine?

Plain description, key identifiers and synonyms

Ethanimine is a chemical substance with the molecular formula C2H5N and a molar mass of 43.07 g/mol. Its CAS registry number is 20729-41-3.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethanimine
CAS number
20729-41-3
Molecular formula
C2H5N
InChIKey
MPAYEWNVIPXRDP-UHFFFAOYSA-N
InChI
InChI=1S/C2H5N/c1-2-3/h2-3H,1H3
SMILES (canonical and isomeric)
CC=N

Synonyms

  • Acetaldimine
  • CH3CH=NH
  • (1Z)-ethanimine

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
43.07 g/molcalc.
Exact mass
43.0422 Dacalc.
LogP (octanol/water)
0.66calc.
Topological polar surface area
23.85 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Ethanimine suppliers

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Ethanimine 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 Ethanimine is traded under.

HS 2925.29Indicative HS code

Imines and their derivatives, salts thereof, other

World exports in 2024
$1.8B
+12.4% vs 2023, imports $1.84B
2019 to 2024
Top exporters
  1. China35.9%
  2. France * partner reported15.5%
  3. Germany9.1%
Top importers
  1. United States13.3%
  2. China13.0%
  3. Brazil9.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Ethanimine, based on the data on this page

What is Ethanimine?

Ethanimine is a chemical substance with the molecular formula C2H5N and a molar mass of 43.07 g/mol. Its CAS registry number is 20729-41-3.

What is the CAS number of Ethanimine?

The CAS registry number of Ethanimine is 20729-41-3.

What is the molecular formula and weight of Ethanimine?

The molecular formula of Ethanimine is C2H5N and its molar mass is 43.07 g/mol.

Is Ethanimine hazardous?

No GHS hazard classification for Ethanimine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Ethanimine?

Ethanimine is usually classified under HS code 292529 (Imines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ethanimine?

Post a free request on CompoundList and suppliers of Ethanimine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Ethanimine?

Suppliers quote Ethanimine 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 Ethanimine

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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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