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Carboxylic acids and anhydrides

alpha-Methyllevulinic Acid

Also known as 2-Methyl-4-oxopentanoic acid, Pentanoic acid, 2-methyl-4-oxo-, 2-methyl-4-oxo-pentanoic acid

CAS 6641-83-4Formula C6H10O3Molar mass 130.14 g/molEC 672-635-7
GHS signal word: Warning. Pictograms: Harmful or irritant
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alpha-Methyllevulinic Acid chemical structure, C6H10O3, CAS 6641-83-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6641-83-4
Formula
C6H10O3
Molar mass
130.14 g/mol
EC number
672-635-7
HS code
291830
Category
Carboxylic acids and anhydrides

What is alpha-Methyllevulinic Acid?

Plain description, key identifiers and synonyms

alpha-Methyllevulinic Acid is a chemical substance with the molecular formula C6H10O3 and a molar mass of 130.14 g/mol. Its CAS registry number is 6641-83-4. The IUPAC name is 2-methyl-4-oxopentanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methyl-4-oxopentanoic acid
CAS number
6641-83-4 CAS number cross-checked
EC number
672-635-7
Molecular formula
C6H10O3
MDL number
MFCD00143584
InChIKey
UZTJTTKEYGHTNM-UHFFFAOYSA-N
InChI
InChI=1S/C6H10O3/c1-4(6(8)9)3-5(2)7/h4H,3H2,1-2H3,(H,8,9)
SMILES (canonical and isomeric)
CC(CC(=O)C)C(=O)O

Synonyms

  • 2-Methyl-4-oxopentanoic acid
  • Pentanoic acid, 2-methyl-4-oxo-
  • 2-methyl-4-oxo-pentanoic acid
  • methyllevulinic acid
  • a-Methyllevulinic acid
  • 2-Methyl-4-oxopentanoic acid #
  • 2-Methyl-4-oxopentanoic acid, AldrichCPR

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
130.14 g/molcalc.
Exact mass
130.063 Dacalc.
LogP (octanol/water)
0.69calc.
Topological polar surface area
54.37 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
1calc.
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.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • 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.

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

alpha-Methyllevulinic Acid suppliers

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alpha-Methyllevulinic Acid 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

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 alpha-Methyllevulinic Acid is traded under.

HS 2918.30Indicative HS code

Carboxylic acids with aldehyde or ketone function but without other oxygen function…

World exports in 2024
$813M
−39.8% vs 2023, imports $1.23B
2019 to 2024
Top exporters
  1. China43.3%
  2. India * partner reported10.4%
  3. United States6.8%
Top importers
  1. Singapore33.1%
  2. Germany7.2%
  3. Japan6.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about alpha-Methyllevulinic Acid, based on the data on this page

What is alpha-Methyllevulinic Acid?

alpha-Methyllevulinic Acid is a chemical substance with the molecular formula C6H10O3 and a molar mass of 130.14 g/mol. Its CAS registry number is 6641-83-4. The IUPAC name is 2-methyl-4-oxopentanoic acid.

What is the CAS number of alpha-Methyllevulinic Acid?

The CAS registry number of alpha-Methyllevulinic Acid is 6641-83-4.

What is the molecular formula and weight of alpha-Methyllevulinic Acid?

The molecular formula of alpha-Methyllevulinic Acid is C6H10O3 and its molar mass is 130.14 g/mol.

What is alpha-Methyllevulinic Acid used for?

Known uses and roles of alpha-Methyllevulinic Acid include building blocks in research and laboratory.

Is alpha-Methyllevulinic Acid hazardous?

alpha-Methyllevulinic Acid carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of alpha-Methyllevulinic Acid?

alpha-Methyllevulinic Acid is usually classified under HS code 291830 (Carboxylic acids with aldehyde or ketone function but without other oxygen function…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy alpha-Methyllevulinic Acid?

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What is the price of alpha-Methyllevulinic Acid?

Suppliers quote alpha-Methyllevulinic Acid 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 alpha-Methyllevulinic Acid

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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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