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Esters and lactones

Diethyl methylmalonate

Also known as Diethyl 2-methylmalonate, Methylmalonic acid diethyl ester, Propanedioic acid, methyl-, diethyl ester

CAS 609-08-5Formula C8H14O4Molar mass 174.20 g/molEC 210-175-7
GHS signal word: Warning. Pictograms: Harmful or irritant 9 suppliers listed
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Diethyl methylmalonate chemical structure, C8H14O4, CAS 609-08-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
609-08-5
Formula
C8H14O4
Molar mass
174.20 g/mol
EC number
210-175-7
HS code
291719
Category
Esters and lactones

What is Diethyl methylmalonate?

Plain description, key identifiers and synonyms

Diethyl methylmalonate is a chemical substance with the molecular formula C8H14O4 and a molar mass of 174.20 g/mol. Its CAS registry number is 609-08-5. The IUPAC name is diethyl 2-methylpropanedioate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diethyl 2-methylpropanedioate
CAS number
609-08-5 CAS number cross-checked
EC number
210-175-7
Molecular formula
C8H14O4
UNII
7KD9S8CQN2
MDL number
MFCD00009162
InChIKey
UPQZOUHVTJNGFK-UHFFFAOYSA-N
InChI
InChI=1S/C8H14O4/c1-4-11-7(9)6(3)8(10)12-5-2/h6H,4-5H2,1-3H3
SMILES (canonical and isomeric)
CCOC(=O)C(C)C(=O)OCC

Synonyms

  • Diethyl 2-methylmalonate
  • Methylmalonic acid diethyl ester
  • Propanedioic acid, methyl-, diethyl ester
  • diethyl methylpropanedioate
  • Malonic acid, methyl-, diethyl ester
  • Ethyl methylmalonate
  • Propanedioic acid, 2-methyl-, 1,3-diethyl ester
  • 2-Methylmalonic acid diethyl ester
  • Ethyl methylmalonate (VAN)
  • diethyl alpha-methylmalonate
  • Diethyl 2methylmalonate
  • Malonic acid, methyl, diethyl ester
  • Propanedioic acid, methyl, diethyl ester
  • Malonic acid, methyl, diethyl ester (8CI)
  • Malonic acid, methyl-, diethyl ester (8CI)
  • Propanedioic acid, 2methyl, 1,3diethyl ester
  • diethyl 2-methylpropanedioate
  • 1,3-diethyl 2-methylpropanedioate
  • 2-methyl-propanedioic acid diethyl ester
  • Diethylmethylmalonate
  • 2-Methylmalonic acid diethyl
  • diethyl methyl-malonate
  • Diethyl2-methylmalonate
  • diethyl monomethylmalonate
  • diethyl 2-methyl-malonate
Show all 36 synonyms
  • diethyl alpha-methymalonate
  • Malonic acid, methyl-, die
  • Diethyl methylmalonate, 99%
  • methylmalonic acid diethylester
  • Methyl-malonic acid diethyl ester
  • Methylmalonic acid, diethyl ester
  • 2-methyl-malonic acid diethyl ester
  • Diethyl methylmalonate, tech
  • diethyl 2-methylpropane-1,3-dioate
  • Methylpropanedioic acid, diethyl ester
  • Propanedioic acid, 2-methyl-, diethyl ester

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
174.20 g/molcalc.
Exact mass
174.0892 Dacalc.
LogP (octanol/water)
0.75calc.
Topological polar surface area
52.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
12calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.75calc.
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

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • 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

Diethyl methylmalonate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 9 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

9 suppliers in 4 countries

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Diethyl methylmalonate price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Functional uses

  • Fragrance

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2917.19Indicative HS code

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$718M
+8.1% vs 2023, imports $915M
2019 to 2024
Top exporters
  1. China46.6%
  2. United States13.7%
  3. Germany10.1%
Top importers
  1. United States16.2%
  2. Denmark11.8%
  3. Germany10.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Diethyl methylmalonate, based on the data on this page

What is Diethyl methylmalonate?

Diethyl methylmalonate is a chemical substance with the molecular formula C8H14O4 and a molar mass of 174.20 g/mol. Its CAS registry number is 609-08-5. The IUPAC name is diethyl 2-methylpropanedioate.

What is the CAS number of Diethyl methylmalonate?

The CAS registry number of Diethyl methylmalonate is 609-08-5.

What is the molecular formula and weight of Diethyl methylmalonate?

The molecular formula of Diethyl methylmalonate is C8H14O4 and its molar mass is 174.20 g/mol.

What is Diethyl methylmalonate used for?

Known uses and roles of Diethyl methylmalonate include building blocks in research and laboratory and fragrance.

Is Diethyl methylmalonate hazardous?

Diethyl methylmalonate carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Diethyl methylmalonate?

Diethyl methylmalonate is usually classified under HS code 291719 (Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Diethyl methylmalonate?

CompoundList lists 9 suppliers of Diethyl methylmalonate in China, India, Germany and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Diethyl methylmalonate in India?

2 suppliers in India list Diethyl methylmalonate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Diethyl methylmalonate?

Suppliers quote Diethyl methylmalonate 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 Diethyl methylmalonate

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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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