Registration Dossier
Registration Dossier
Diss Factsheets
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 204-617-8 | CAS number: 123-31-9
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data

Additional toxicological data
Administrative data
- Endpoint:
- additional toxicological information
- Type of information:
- other: compilation of data
- Adequacy of study:
- supporting study
- Rationale for reliability incl. deficiencies:
- other: Reviews and assessments by International Bodies, Handbooks and secondary sources.
Data source
Referenceopen allclose all
- Reference Type:
- review article or handbook
- Title:
- Phenols and phenolic compounds.
- Author:
- Allan RE
- Year:
- 1 994
- Bibliographic source:
- In: Patty's Industrial Hygiene and Toxicology, 4th ed, Vol. 2, Part B. Clayton GD & Clayton FE (eds.). John Wiley & Sons, New York, pp. 1590 - 1592
- Reference Type:
- review article or handbook
- Title:
- Environmental Health Criteria 157: Hydroquinone.
- Author:
- WHO
- Year:
- 1 994
- Bibliographic source:
- Environmental Health Criteria 157: Hydroquinone. International Programme on Chemical Safety, G
- Reference Type:
- review article or handbook
- Title:
- Hydroquinone: An evaluation of the human risks from its carcinogenic and mutagenic properties.
- Author:
- McGregor D
- Year:
- 2 007
- Bibliographic source:
- Crit Rev Toxicol 37: 887-914
- Reference Type:
- review article or handbook
- Title:
- Hypothesis: phenol and hydroquinone derived mainly from diet and gastrointestinal flora activity are causal factors in leukaemia.
- Author:
- McDonald TA, Holland NT, Skibola C, Duramad P, Smith MT
- Year:
- 2 001
- Bibliographic source:
- Leukemia 15: 10 - 20
- Reference Type:
- review article or handbook
- Title:
- The safety of hydroquinone: A dermatologist's response to the 2006 federal Register.
- Author:
- Levitt J
- Year:
- 2 007
- Bibliographic source:
- J Am Acad Dermatol 57, 854-872
- Reference Type:
- review article or handbook
- Title:
- IARC Monographs on the Evaluation of Carcinogenic Risks to Humans. Re-evaluation of Some Organic Chemicals, Hydrazine and Hydrogen peroxide. Hydroquinone.
- Author:
- International Agency for Research on Cancer
- Year:
- 1 999
- Bibliographic source:
- IARC Monographs 71 (Part 2), 691 - 719
- Reference Type:
- review article or handbook
- Title:
- The toxicology of hydroquinone – Relevance to occupational and environmental exposure.
- Author:
- DeCaprio AP
- Year:
- 1 999
- Bibliographic source:
- Crit Rev Toxicol 29, 283 – 330
- Reference Type:
- review article or handbook
- Title:
- Environmental and health risks of hydroquinone.
- Author:
- Devillers J, Boule PO, Vasseur P, Prevot P, Steiman R, Seigle-Murandi F, Benoit-Guyot JL, Nendza M, Grioni C, Dive D, Chambon P
- Year:
- 1 990
- Bibliographic source:
- Ecotoxicol Environ Safety 19, 327 - 354
- Reference Type:
- review article or handbook
- Title:
- The Registry of Toxic Effects of Chemical Substances. Hydroquinone.
- Author:
- RTECS
- Year:
- 2 004
- Bibliographic source:
- RTECS# MX3500000
- Reference Type:
- review article or handbook
- Title:
- Analysis of studies related to tumorigenicity induced by hydroquinone.
- Author:
- Whysner J, Verna L, English JC, Wiiliams GM
- Year:
- 1 995
- Bibliographic source:
- Regul Toxicol Pharmacol 21, 158 - 176
Materials and methods
Test material
- Reference substance name:
- Hydroquinone
- EC Number:
- 204-617-8
- EC Name:
- Hydroquinone
- Cas Number:
- 123-31-9
- Molecular formula:
- C6H6O2
- IUPAC Name:
- hydroquinone
Constituent 1
Results and discussion
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.

EU Privacy Disclaimer
This website uses cookies to ensure you get the best experience on our websites.