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Aldehydes and ketones

Methoxyacetaldehyde

Also known as 2-Methoxyacetaldehyde, Acetaldehyde, methoxy-, MALD cpd

CAS 10312-83-1Formula C3H6O2Molar mass 74.08 g/molEC 233-693-5
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant
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Methoxyacetaldehyde chemical structure, C3H6O2, CAS 10312-83-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
10312-83-1
Formula
C3H6O2
Molar mass
74.08 g/mol
Physical form
Liquid
HS code
291249
Category
Aldehydes and ketones
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Methoxyacetaldehyde?

Plain description, key identifiers and synonyms

Methoxyacetaldehyde is a chemical substance with the molecular formula C3H6O2 and a molar mass of 74.08 g/mol. Its CAS registry number is 10312-83-1. The IUPAC name is 2-methoxyacetaldehyde.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methoxyacetaldehyde
CAS number
10312-83-1 CAS number cross-checked
EC number
233-693-5
Molecular formula
C3H6O2
UNII
5G4O7K64WA
MDL number
MFCD00059176
InChIKey
YSEFYOVWKJXNCH-UHFFFAOYSA-N
InChI
InChI=1S/C3H6O2/c1-5-3-2-4/h2H,3H2,1H3
SMILES (canonical and isomeric)
COCC=O

Synonyms

  • 2-Methoxyacetaldehyde
  • Acetaldehyde, methoxy-
  • MALD cpd
  • Methoxyethanal
  • 2-methoxyethanal
  • Acetaldehyde, 2-methoxy-
  • alpha-Methoxyacetaldehyde
  • methoxy acetaldehyde
  • methoxyacetaldehye
  • methoxy-acetaldehyde
  • (Methyloxy)acetaldehyde
  • Acetaldehyde, methoxy-(6CI,7CI,8CI,9CI)
  • o-Methylglycolaldehyde
  • Methoxyacetaldehyde, AldrichCPR
  • 2-Methoxyacetaldehyde,contains DCM inverted exclamation markU20%

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

Physical form
Liquidexp.

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
74.08 g/molcalc.
Exact mass
74.0368 Dacalc.
LogP (octanol/water)
-0.17calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
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
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H302 + H312Harmful if swallowed. Harmful in contact with skin.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
Precautionary statements (25)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • 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.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

Methoxyacetaldehyde suppliers

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Methoxyacetaldehyde price

Indicative price range per kg from live supplier offers

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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 Methoxyacetaldehyde is traded under.

HS 2912.49Indicative HS code

Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…

World exports in 2024
$159M
−9.6% vs 2023, imports $171M
2019 to 2024
Top exporters
  1. China36.7%
  2. India * partner reported27.5%
  3. Germany13.9%
Top importers
  1. China16.0%
  2. United States15.7%
  3. India * partner reported9.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Methoxyacetaldehyde?

Methoxyacetaldehyde is a chemical substance with the molecular formula C3H6O2 and a molar mass of 74.08 g/mol. Its CAS registry number is 10312-83-1. The IUPAC name is 2-methoxyacetaldehyde.

What is the CAS number of Methoxyacetaldehyde?

The CAS registry number of Methoxyacetaldehyde is 10312-83-1.

What is the molecular formula and weight of Methoxyacetaldehyde?

The molecular formula of Methoxyacetaldehyde is C3H6O2 and its molar mass is 74.08 g/mol.

Is Methoxyacetaldehyde hazardous?

Methoxyacetaldehyde carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, harmful if swallowed. harmful in contact with skin, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Methoxyacetaldehyde?

Methoxyacetaldehyde is usually classified under HS code 291249 (Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methoxyacetaldehyde?

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What is the price of Methoxyacetaldehyde?

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Guides for buyers

Practical guides that help when you source, ship or handle Methoxyacetaldehyde

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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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