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Monomers

Methylhydroquinone

Also known as 2-Methylhydroquinone, 2-methylbenzene-1,4-diol, 2,5-Dihydroxytoluene

CAS 95-71-6Formula C7H8O2Molar mass 124.14 g/molEC 202-443-7
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Serious health hazard, Hazardous to the environment 27 suppliers listed
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Methylhydroquinone chemical structure, C7H8O2, CAS 95-71-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
95-71-6
Formula
C7H8O2
Molar mass
124.14 g/mol
Physical form
Powder
HS code
290729
Category
Monomers
Illustrative photo, 25 kg white woven sacks of powder on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Methylhydroquinone?

Plain description, key identifiers and synonyms

Toluquinol is a member of the class of hydroquinones that is hydroquinone in which one of the benzene hydrogens has been replaced by a methyl group. It has a role as an angiogenesis inhibitor, an anti-inflammatory agent and a Penicillium metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methylbenzene-1,4-diol
CAS number
95-71-6 CAS number cross-checked
EC number
202-443-7
Molecular formula
C7H8O2
UNII
332W51E0OC
MDL number
MFCD00002345
InChIKey
CNHDIAIOKMXOLK-UHFFFAOYSA-N
InChI
InChI=1S/C7H8O2/c1-5-4-6(8)2-3-7(5)9/h2-4,8-9H,1H3
SMILES (canonical and isomeric)
CC1=C(C=CC(=C1)O)O

Synonyms

  • 2-Methylhydroquinone
  • 2-methylbenzene-1,4-diol
  • 2,5-Dihydroxytoluene
  • Toluhydroquinone
  • p-Toluhydroquinone
  • Toluquinol
  • p-Toluquinol
  • p-Toluhydroquinol
  • Tolylhydroquinone
  • 2,5-Toluenediol
  • 2-Methyl-1,4-benzenediol
  • 1,4-Benzenediol, 2-methyl-
  • 1,4-Dihydroxy-2-methylbenzene
  • 2-Methyl-1,4-hydroquinone
  • Methyl-p-hydroquinone
  • Pyrolin
  • Hydroquinone, tolyl-
  • Hydroquinone, methyl-
  • Methyl hydroquinone
  • 2-methylhydroquinol
  • 2-Methyl-benzene-1,4-diol
  • US9688816, 8
  • methylhydroquinon
  • 2-methyl-1,4-dihydroxybenzene
  • 3-methyl-1,4-dihydroxybenzene
Show all 38 synonyms
  • methyl-p-hydroquinol
  • monomethylhydroquinone
  • 2-methyl hydroquinone
  • 2-Methyl-hydroquinone
  • monomethyl hydroquinone
  • 2-Methyl-p-hydroquinone
  • Methylhydroquinone, 99%
  • 3-methyl-4-hydroxyphenol
  • 4-hydroxy-2-methylphenol
  • 2-Methylbenzene-1,4-diole
  • Methylhydroquinone, >=99%
  • 2,5-DHTOP
  • 4-06-00-05866 (Beilstein Handbook Reference)

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
Powderexp.

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
124.14 g/molcalc.
Exact mass
124.0524 Dacalc.
LogP (octanol/water)
1.41calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H341Suspected of causing genetic defects.
  • H351Suspected of causing cancer.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (27)
  • P203Obtain, read and follow all safety instructions before use.
  • 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • 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.
  • 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.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • 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.
  • P391Collect spillage.
  • 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

Methylhydroquinone suppliers

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

All 27 suppliers
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Where suppliers are based

27 suppliers in 8 countries

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Methylhydroquinone 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

Industrial uses: Corrosion inhibitor.

Roles

  • Penicillium metabolite
  • angiogenesis inhibitor
  • anti-inflammatory agent
  • eukaryotic metabolite
  • fungal metabolite
  • metabolite
  • pharmaceutical

Functional uses

  • Monomers

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 Methylhydroquinone is traded under.

HS 2907.29Indicative HS code

Polyphenols, phenol-alcohols, other

World exports in 2024
$535M
−27.0% vs 2023, imports $565M
2019 to 2024
Top exporters
  1. India * partner reported17.7%
  2. Germany16.5%
  3. Japan15.8%
Top importers
  1. United States13.1%
  2. Japan8.0%
  3. Belgium7.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Methylhydroquinone?

Toluquinol is a member of the class of hydroquinones that is hydroquinone in which one of the benzene hydrogens has been replaced by a methyl group. It has a role as an angiogenesis inhibitor, an anti-inflammatory agent and a Penicillium metabolite.

What is the CAS number of Methylhydroquinone?

The CAS registry number of Methylhydroquinone is 95-71-6.

What is the molecular formula and weight of Methylhydroquinone?

The molecular formula of Methylhydroquinone is C7H8O2 and its molar mass is 124.14 g/mol.

What is Methylhydroquinone used for?

Industrial uses: Corrosion inhibitor.

Is Methylhydroquinone hazardous?

Methylhydroquinone carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes skin irritation, may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Methylhydroquinone?

Methylhydroquinone is usually classified under HS code 290729 (Polyphenols, phenol-alcohols, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methylhydroquinone?

CompoundList lists 27 suppliers of Methylhydroquinone in China, United States, India, Belgium and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Methylhydroquinone in India?

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

What is the price of Methylhydroquinone?

Suppliers quote Methylhydroquinone 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 Methylhydroquinone

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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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