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Aliphatic and alicyclic building blocks

Quinhydrone

Also known as Green hydroquinone, p-Benzoquinhydrone, Chinhydron

CAS 106-34-3Formula C12H10O4Molar mass 218.21 g/molEC 203-387-6
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant, Hazardous to the environment 4 suppliers listed
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Quinhydrone chemical structure, C12H10O4, CAS 106-34-3
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Solid
Melting point
171 °C
Density
1.4 @25 °C
HS code
291469
Category
Aliphatic and alicyclic building blocks
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Quinhydrone?

Plain description, key identifiers and synonyms

Quinhydrone is an addition compound. It contains a 1,4-benzoquinone and a hydroquinone.

Quinhydrone is a charge-transfer complex.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
benzene-1,4-diol, cyclohexa-2,5-diene-1,4-dione
CAS number
106-34-3 CAS number cross-checked
EC number
203-387-6
Molecular formula
C12H10O4
UNII
P4A66LQ3QJ
MDL number
MFCD00010310
InChIKey
BDJXVNRFAQSMAA-UHFFFAOYSA-N
InChI
InChI=1S/C6H6O2.C6H4O2/c2*7-5-1-2-6(8)4-3-5/h1-4,7-8H;1-4H
SMILES (canonical and isomeric)
C1=CC(=O)C=CC1=O.C1=CC(=CC=C1O)O

Synonyms

  • Green hydroquinone
  • p-Benzoquinhydrone
  • Chinhydron
  • Benzoquinone-hydroquinone
  • p-Benzoquinone-hydroquinone compound (1:1)
  • benzene-1,4-diol, cyclohexa-2,5-diene-1,4-dione
  • beta-Quinhydrone
  • Quinhydrone, 97%
  • Quinhydrone, puriss.
  • Quinhydrone, 97.5%
  • 2,5-Cyclohexadiene-1,4-dione compd with 1,4-benzenediol (1:1)
  • p-benzoquinone--hydroquinone compound (1:1)
  • 1,4-Benzoquinone - 1,4-benzenediol (1:1)
  • benzoquinone compound with hydroquinone (1:1)
  • Cyclohexa-2,5-diene-1,4-dione--benzene-1,4-diol (1/1)
  • cyclohexa-2,5-diene-1,4-dione--benzene-1,4-diol (1:1)

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
Solidexp.
Melting point
171 °Cexp.
Density
1.4 @25 °Cexp.

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
218.21 g/molcalc.
Exact mass
218.0579 Dacalc.
LogP (octanol/water)
1.35calc.
Topological polar surface area
74.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
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(=O)C=C1

O=C1C=CC(=O)C=C1

1 ring, 8 atoms, the Quinone ring system.

738 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H400Very toxic to aquatic life.
Precautionary statements (21)
  • 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.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • 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).
  • P330Rinse mouth.
  • 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.
  • 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

Quinhydrone suppliers

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

All 4 suppliers
4 of 4 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

4 suppliers in 2 countries

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Quinhydrone 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

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 Quinhydrone 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 Quinhydrone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Quinhydrone?

Quinhydrone is an addition compound. It contains a 1,4-benzoquinone and a hydroquinone.

What is the CAS number of Quinhydrone?

The CAS registry number of Quinhydrone is 106-34-3.

What is the molecular formula and weight of Quinhydrone?

The molecular formula of Quinhydrone is C12H10O4 and its molar mass is 218.21 g/mol.

What is Quinhydrone used for?

Known uses and roles of Quinhydrone include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Quinhydrone hazardous?

Quinhydrone carries the GHS signal word "Danger". Main hazards: toxic if swallowed, 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 Quinhydrone?

Quinhydrone is usually classified under HS code 291469 (Quinones, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Quinhydrone?

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

What is the price of Quinhydrone?

Suppliers quote Quinhydrone 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 Quinhydrone

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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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