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Ethers, epoxides and acetals

Methoxyethane

Also known as Ethyl methyl ether, Methyl ethyl ether, Ethane, methoxy-

CAS 540-67-0Formula C3H8OMolar mass 60.10 g/molEC 611-089-6
GHS signal word: Danger. Pictograms: Flammable, Gas under pressure 2 suppliers listed
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Methoxyethane chemical structure, C3H8O, CAS 540-67-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-113 °C
Boiling point
7.4 °C
Density
0.7251 @ 0 °C/0 °C
Flash point
-37.2 °C
HS code
290919
Category
Ethers, epoxides and acetals
UN number
UN 1039
Illustrative photo, an amber glass solvent bottle with clear liquid on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Methoxyethane?

Plain description, key identifiers and synonyms

Methoxyethane is an ether that is the methyl ether derivative of ethanol. It has a role as a Lewis base. It is functionally related to an ethanol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methoxyethane
CAS number
540-67-0 CAS number cross-checked
EC number
611-089-6
Molecular formula
C3H8O
UNII
TF7D64JK16
InChIKey
XOBKSJJDNFUZPF-UHFFFAOYSA-N
InChI
InChI=1S/C3H8O/c1-3-4-2/h3H2,1-2H3
SMILES (canonical and isomeric)
CCOC

Synonyms

  • Ethyl methyl ether
  • Methyl ethyl ether
  • Ethane, methoxy-
  • Ether, ethyl methyl
  • Methane, ethoxy
  • Methane, ethoxy-
  • Methoxyethan
  • 1-Methoxyethane
  • Aethylmethylaether
  • Methylaethylaether
  • 2-methoxyethane
  • methylethyl ether
  • 1-Methoxyethane #
  • UN 1039
  • Ethyl methyl ether [UN1039] [Flammable gas]

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

Appearance
Colorless liquidexp.
Melting point
-113 °Cexp.
Boiling point
7.4 °Cexp.
Density
0.7251 @ 0 °C/0 °Cexp.
Flash point
-37.2 °Cexp.
Autoignition temperature
190 °Cexp.
Solubility
SOL IN ACETONEexp.
Vapour pressure
1493 mm Hg @ 25 °Cexp.

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
60.10 g/molcalc.
Exact mass
60.0575 Dacalc.
LogP (octanol/water)
0.65calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
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
Danger
GHS02: Flammable
Flammable
GHS04: Gas under pressure
Gas under pressure
411NFPA 704 rating

Hazard statements

  • H220Extremely flammable gas.
Precautionary statements (7)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P222Do not allow contact with air.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P377Leaking gas fire: do not extinguish, unless leak can be stopped safely.
  • P381In case of leakage, eliminate all ignition sources.
  • P403Store in a well-ventilated place.
UN number
UN 1039
Transport hazard class
2.1

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

Methoxyethane suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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Methoxyethane 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

Roles

  • Lewis base
  • base
  • donor

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 603-020-00-3

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2909.19Indicative HS code

Acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives…

World exports in 2024
$10.2B
−8.7% vs 2023, imports $10.4B
2019 to 2024
Top exporters
  1. United States32.0%
  2. China22.3%
  3. Saudi Arabia12.9%
Top importers
  1. Singapore16.5%
  2. Mexico14.8%
  3. Japan14.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Methoxyethane?

Methoxyethane is an ether that is the methyl ether derivative of ethanol. It has a role as a Lewis base. It is functionally related to an ethanol.

What is the CAS number of Methoxyethane?

The CAS registry number of Methoxyethane is 540-67-0.

What is the molecular formula and weight of Methoxyethane?

The molecular formula of Methoxyethane is C3H8O and its molar mass is 60.10 g/mol.

What is Methoxyethane used for?

Known uses and roles of Methoxyethane include lewis base, base and donor.

Is Methoxyethane hazardous?

Methoxyethane carries the GHS signal word "Danger". Main hazards: extremely flammable gas. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Methoxyethane?

Methoxyethane is usually classified under HS code 290919 (Acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methoxyethane?

CompoundList lists 2 suppliers of Methoxyethane in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Methoxyethane?

Suppliers quote Methoxyethane 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 Methoxyethane

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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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