Hydroquinone
Hydroquinone is an organic compound with the molecular formula C6H6O2.
- Formula
- C6H6O2
- Functional group
- Phenols
- Molar mass
- 110.11 g/mol
- Also known as
- benzene-1,4-diol, 1,4-benzenediol, 1,4-Dihydroxybenzene, Quinol, p-Hydroquinone, p-Hydroxyphenol
Overview
Hydroquinone is an organic compound with the molecular formula C6H6O2.
Identifiers
- Formula
- C6H6O2
- Functional group
- Phenols
- Molar mass
- 110.11 g/mol
- Also known as
- benzene-1,4-diol, 1,4-benzenediol, 1,4-Dihydroxybenzene, Quinol, p-Hydroquinone, p-Hydroxyphenol
Chemical identifiers
- SMILES
- C1=CC(=CC=C1O)O
- InChI
- InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
- PubChem CID
- 785
Properties
- Melting Point
- 170-171 °C
- Boiling Point
- 285-287 °C
- Density
- 1.330 g/cu cm at 20 °C
- Water solubility
- 7% soluble in water at 25 °C
Related compounds
- Phenols
Hydroquinone is an organic compound with the molecular formula C6H6O2.
References
- PubChem Compound Summary: Hydroquinone (CID 785)National Center for Biotechnology Information · PubChem
Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.
- Hazardous Substances Data Bank (HSDB): Hydroquinone — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/785#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Cambridge, UK: Royal Society of Chemistry, 2013., p. 891
- Hazardous Substances Data Bank (HSDB): Hydroquinone — boiling pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/785#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Cambridge, UK: Royal Society of Chemistry, 2013., p. 891
- Hazardous Substances Data Bank (HSDB): Hydroquinone — densityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/785#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 94th Edition. CRC Press LLC, Boca Raton: FL 2013-2014, p. 3-304
- Hazardous Substances Data Bank (HSDB): Hydroquinone — solubilityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/785#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Cavender FL, O'Donohue J; Phenol and Phenolics. Patty's Toxicology. 6th ed. (1999-2014). New York, NY: John Wiley & Sons, Inc. On-line posting date: 17 Aug 2012