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Aldehydes and ketones

2-Hydroxy-5-methylquinone

Also known as 2-Hydroxy-5-methylcyclohexa-2,5-diene-1,4-dione, 4-hydroxy-5-methylcyclohexa-3,5-diene-1,2-dione, 2-Hydroxy-5-methyl-1,4-benzoquinone

CAS 615-91-8Formula C7H6O3Molar mass 138.12 g/mol
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2-Hydroxy-5-methylquinone chemical structure, C7H6O3, CAS 615-91-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
615-91-8
Formula
C7H6O3
Molar mass
138.12 g/mol
HS code
291469
Category
Aldehydes and ketones

What is 2-Hydroxy-5-methylquinone?

Plain description, key identifiers and synonyms

2-hydroxy-5-methylquinone is a member of the class of monohydroxy-1,4-benzoquinones that is 2-hydroxy-1,4-benzoquinone carrying an additional methyl substituent at position 5. It is a conjugate acid of a 2-oxido-5-methylquinone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-hydroxy-5-methylcyclohexa-3,5-diene-1,2-dione
CAS number
615-91-8 CAS number cross-checked
Molecular formula
C7H6O3
InChIKey
VARNMYNPBOOFAZ-UHFFFAOYSA-N
InChI
InChI=1S/C7H6O3/c1-4-2-6(9)7(10)3-5(4)8/h2-3,8H,1H3
SMILES (canonical and isomeric)
CC1=CC(=O)C(=O)C=C1O

Synonyms

  • 2-Hydroxy-5-methylcyclohexa-2,5-diene-1,4-dione
  • 4-hydroxy-5-methylcyclohexa-3,5-diene-1,2-dione
  • 2-Hydroxy-5-methyl-1,4-benzoquinone
  • 2-Hydroxy-5-methyl-p-benzoquinone
  • p-Benzoquinone, 2-hydroxy-5-methyl-
  • 2,5-Cyclohexadiene-1,4-dione, 2-hydroxy-5-methyl-
  • 2,4-dione, 2-hydroxy-5-methyl-
  • 4-hydroxy-5-methyl-1,2-benzoquinone
  • 2-Hydroxy-5-methylbenzo-1,4-quinone #
  • 2-Hydroxy-5-methylcyclohexandiene-1,4-dione
  • 2-hydroxy-5-methyl-2-Hydroxy-5-methyl-p-benzoquinone

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
138.12 g/molcalc.
Exact mass
138.0317 Dacalc.
LogP (octanol/water)
0.53calc.
Topological polar surface area
54.37 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.14calc.
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, O=C1C=CC=CC1=O

O=C1C=CC=CC1=O

1 ring, 8 atoms, the 1,2-Benzoquinone ring system.

165 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

2-Hydroxy-5-methylquinone suppliers

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2-Hydroxy-5-methylquinone 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 2-Hydroxy-5-methylquinone is traded under.

HS 2914.69Indicative HS code

Quinones, other

World exports in 2024
$162M
−10.1% vs 2023, imports $157M
2019 to 2024
Top exporters
  1. China32.8%
  2. Netherlands29.3%
  3. Japan13.8%
Top importers
  1. United States23.0%
  2. India * partner reported16.1%
  3. Thailand7.9%

* Partner reported figures, a lower bound.

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

The HS code shown for 2-Hydroxy-5-methylquinone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Hydroxy-5-methylquinone, based on the data on this page

What is 2-Hydroxy-5-methylquinone?

2-hydroxy-5-methylquinone is a member of the class of monohydroxy-1,4-benzoquinones that is 2-hydroxy-1,4-benzoquinone carrying an additional methyl substituent at position 5. It is a conjugate acid of a 2-oxido-5-methylquinone.

What is the CAS number of 2-Hydroxy-5-methylquinone?

The CAS registry number of 2-Hydroxy-5-methylquinone is 615-91-8.

What is the molecular formula and weight of 2-Hydroxy-5-methylquinone?

The molecular formula of 2-Hydroxy-5-methylquinone is C7H6O3 and its molar mass is 138.12 g/mol.

What is 2-Hydroxy-5-methylquinone used for?

Known uses and roles of 2-Hydroxy-5-methylquinone include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2-Hydroxy-5-methylquinone hazardous?

No GHS hazard classification for 2-Hydroxy-5-methylquinone is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 2-Hydroxy-5-methylquinone?

2-Hydroxy-5-methylquinone is usually classified under HS code 291469 (Quinones, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Hydroxy-5-methylquinone?

Post a free request on CompoundList and suppliers of 2-Hydroxy-5-methylquinone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Hydroxy-5-methylquinone?

Suppliers quote 2-Hydroxy-5-methylquinone 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 2-Hydroxy-5-methylquinone

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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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