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5-Methylfurfural

Also known as 5-Methylfuran-2-carbaldehyde, 5-Methyl-2-furaldehyde, 5-Methyl-2-furfural

CAS 620-02-0Formula C6H6O2Molar mass 110.11 g/molEC 210-622-6
GHS signal word: Warning. Pictograms: Harmful or irritant 33 suppliers listed
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5-Methylfurfural chemical structure, C6H6O2, CAS 620-02-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
620-02-0
Formula
C6H6O2
Molar mass
110.11 g/mol
EC number
210-622-6
HS code
293219
Category
Flavor ingredients

What is 5-Methylfurfural?

Plain description, key identifiers and synonyms

5-methyl-2-furaldehyde is a member of the class of furans that is furan which is substituted at positions 2 and 5 by formyl and methyl groups, respectively. It has a role as an EC 2.2.1.6 (acetolactate synthase) inhibitor, a flavouring agent, a Maillard reaction product and a human metabolite. It is an aldehyde and a member of furans.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-methylfuran-2-carbaldehyde
CAS number
620-02-0 CAS number cross-checked
EC number
210-622-6
Molecular formula
C6H6O2
UNII
4482BZC72D
MDL number
MFCD00003232
INCI name
METHYLFURFURAL
InChIKey
OUDFNZMQXZILJD-UHFFFAOYSA-N
InChI
InChI=1S/C6H6O2/c1-5-2-3-6(4-7)8-5/h2-4H,1H3
SMILES (canonical and isomeric)
CC1=CC=C(O1)C=O

Synonyms

  • 5-Methylfuran-2-carbaldehyde
  • 5-Methyl-2-furaldehyde
  • 5-Methyl-2-furfural
  • 5-Methyl-2-furancarboxaldehyde
  • 2-Furancarboxaldehyde, 5-methyl-
  • 5-methyl-2-furancarbaldehyde
  • Furfural, 5-methyl-
  • 5-Methyl-2-furanaldehyde
  • 5-MethyIfurfural
  • 5-Methylfuran-2-aldehyde
  • 5-17-09-00404 (Beilstein Handbook Reference)
  • Methyl-5-furaldehyde
  • Methyl furfural, 5-
  • Oudfnzmqxziljd-uhfffaoysa-
  • 5-Methyl-2-furfurylaldehyde
  • 2-Formyl-5-methyltetrahydrofuran
  • methylfurfural
  • 5-Methyl furfural
  • 5-Methylfuran-2-al
  • 5-Methylfurfuraldehyde
  • 2-Formyl-5-methylfuran
  • 2-Methyl-5-formylfuran
  • 5-Methyl-2-furfuraldehyde
  • 2-Furaldehyde, 5-methyl-
  • 5-methyl-furfural
Show all 36 synonyms
  • 5-methyl-furan-2-carbaldehyde
  • 2,5-dimethyl-3H-furan-2-carboxaldehyde
  • 5-Methyl-2-furfural, 5-Methylfuran-2-carbaldehyde
  • 5methyl_furfural
  • Methyl-5-furfural
  • alpha-Methylfurfural
  • 5-methyl furaldehyde
  • 5-methyl furfuraldehyde
  • Glucosamine Impurity 8
  • 2-furaldehyde, 5-methyl
  • 2-methylfuran-5-aldehyde

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
110.11 g/molcalc.
Exact mass
110.0368 Dacalc.
LogP (octanol/water)
1.4calc.
Topological polar surface area
30.21 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
8calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.17calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccoc1

c1ccoc1

1 ring, 5 atoms, the Furan ring system.

12,988 other chemicals share this scaffold

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

5-Methylfurfural suppliers

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

All 33 suppliers
30 of 30 offers

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

33 suppliers in 8 countries

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5-Methylfurfural 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

Cosmetic ingredient, INCI name METHYLFURFURAL(perfuming)

Roles

  • Maillard reaction product
  • additive
  • animal metabolite
  • enzyme inhibitor
  • eukaryotic metabolite
  • flavouring agent
  • food additive
  • food component
  • human metabolite
  • mammalian metabolite
  • metabolite
  • physiological role
  • thermal degradation product

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

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 5-Methylfurfural is traded under.

HS 2932.19Indicative HS code

Compounds containing an unfused furan ring (whether or not hydrogenated) in the…

World exports in 2024
$2.62B
−6.4% vs 2023, imports $2.56B
2019 to 2024
Top exporters
  1. Germany57.9%
  2. Italy11.5%
  3. China10.4%
Top importers
  1. Greece40.4%
  2. Japan16.3%
  3. Germany12.8%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 5-Methylfurfural is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 5-Methylfurfural, based on the data on this page

What is 5-Methylfurfural?

5-methyl-2-furaldehyde is a member of the class of furans that is furan which is substituted at positions 2 and 5 by formyl and methyl groups, respectively. It has a role as an EC 2.2.1.6 (acetolactate synthase) inhibitor, a flavouring agent, a Maillard reaction product and a human metabolite.

What is the CAS number of 5-Methylfurfural?

The CAS registry number of 5-Methylfurfural is 620-02-0.

What is the molecular formula and weight of 5-Methylfurfural?

The molecular formula of 5-Methylfurfural is C6H6O2 and its molar mass is 110.11 g/mol.

What is 5-Methylfurfural used for?

Known uses and roles of 5-Methylfurfural include fragrance ingredients in cosmetics and personal care, flavors in food and beverage, flavoring agents in flavors and fragrances, fragrance ingredients in flavors and fragrances, aldehydes and ketones in flavors and fragrances and 16 more.

Is 5-Methylfurfural hazardous?

5-Methylfurfural 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 5-Methylfurfural?

5-Methylfurfural is usually classified under HS code 293219 (Compounds containing an unfused furan ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 5-Methylfurfural?

CompoundList lists 33 suppliers of 5-Methylfurfural in China, United States, Canada, Germany and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 5-Methylfurfural?

Suppliers quote 5-Methylfurfural 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 5-Methylfurfural

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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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