hydroquinone

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• General Information

  • Identification

  • Compositions

    • Hydroquinone
    • Hydroquinone
    • Hydroquinone
    • Hydroquinone, CAS # 123-31-9

• Classification and Labelling

  • GHS

    • Hydroquinone

  • DSD - DPD

    • Hydroquinone (legal classification)

• Manufacture, Use & Exposure

  • Identified uses
  • Uses advised against

• PBT assessment

  • PBT assessment.001
  • PBT assessment.002
  • (JS Member) PBT assessment.003
  • (JS Member) PBT assessment.004

• Physical and chemical properties

  • Appearance/physical state/colour

    • Other Key Appearance/physical state/colour.001
    • Other Supporting Appearance/physical state/colour.002
    • Other Supporting Appearance/physical state/colour.003
    • Other Supporting Appearance/physical state/colour.004
    • Other Supporting Appearance/physical state/colour.005
    • Other Supporting Appearance/physical state/colour.006
    • Other Supporting Appearance/physical state/colour.007
    • Other Supporting Appearance/physical state/colour.008
    • Other Supporting Appearance/physical state/colour.009

  • Melting point/freezing point

    • Exp Key Melting point/freezing point.001
    • Exp Key Melting point/freezing point.002
    • Exp Supporting Melting point/freezing point.003
    • Exp Supporting Melting point/freezing point.004
    • Exp Supporting Melting point/freezing point.005
    • Exp Supporting Melting point/freezing point.006
    • Exp Supporting Melting point/freezing point.007
    • Exp Supporting Melting point/freezing point.008
    • Exp Supporting Melting point/freezing point.009
    • Exp Supporting Melting point/freezing point.010
    • Exp Supporting Melting point/freezing point.011
    • Exp Supporting Melting point/freezing point.012
    • Exp Supporting Melting point/freezing point.013
    • Exp Supporting Melting point/freezing point.014

  • Boiling point

    • Exp Key Boiling point.001
    • Exp Key Boiling point.002
    • Exp Supporting Boiling point.003
    • Exp Supporting Boiling point.004
    • Exp Supporting Boiling point.005
    • Exp Supporting Boiling point.006
    • Exp Supporting Boiling point.007
    • Exp Supporting Boiling point.008
    • Exp Supporting Boiling point.009
    • Exp Supporting Boiling point.010
    • Exp Supporting Boiling point.011
    • Exp Supporting Boiling point.012
    • Exp Supporting Boiling point.013

  • Density

    • Exp Key Density.001
    • Exp Key Density.002
    • Exp Key Density.003
    • Exp Supporting Density.004
    • Exp Supporting Density.005
    • Exp Supporting Density.006
    • Exp Supporting Density.007

  • Particle size distribution (Granulometry)

    • Exp Key Particle size distribution (Granulometry).001

  • Vapour pressure

    • Calc Key Vapour pressure.001
    • Calc Supporting Vapour pressure.002
    • Exp Supporting Vapour pressure.003
    • Exp Supporting Vapour pressure.004
    • Exp Supporting Vapour pressure.005
    • Exp Supporting Vapour pressure.006
    • Exp Supporting Vapour pressure.007
    • Exp Supporting Vapour pressure.008
    • Exp Supporting Vapour pressure.009

  • Partition coefficient

    • Calc Supporting Partition coefficient.001
    • Exp Key Partition coefficient.002
    • Other Supporting Partition coefficient.003

  • Water solubility

    • Exp Key Water solubility.001
    • Exp Key Water solubility.002
    • Exp Key Water solubility.003
    • Exp Supporting Water solubility.004
    • Exp Supporting Water solubility.005
    • Exp Supporting Water solubility.006
    • Exp Supporting Water solubility.007
    • Exp Supporting Water solubility.008
    • Exp Supporting Water solubility.009

  • Solubility in organic solvents / fat solubility

    • Exp Key Solubility in organic solvents / fat solubility.001
    • Exp Supporting Solubility in organic solvents / fat solubility.002

  • Surface tension

    • NS NS Surface tension.001

  • Flash point

    • Exp Key Flash point.001
    • Exp Key Flash point.002
    • Exp Supporting Flash point.003
    • Exp Supporting Flash point.004
    • Exp Supporting Flash point.005
    • Exp Supporting Flash point.006

  • Auto flammability

    • Exp Key Auto flammability.001
    • Exp Key Auto flammability.002
    • Exp Supporting Auto flammability.003
    • Exp Supporting Auto flammability.004

  • Flammability

    • Exp Key Flammability.001

  • Explosiveness

    • NS NS Explosiveness.001

  • Oxidising properties

    • NS NS Oxidising properties.001

  • Stability in organic solvents and identity of relevant degradation products

    • NS NS Stability in organic solvents and identity of relevant degradation products.001

  • Dissociation constant

    • Exp Key Dissociation constant.001
    • Exp Supporting Dissociation constant.002
    • Exp Supporting Dissociation constant.003
    • Exp Supporting Dissociation constant.004
    • Exp Supporting Dissociation constant.005

  • Viscosity

    • NS NS Viscosity.001

• Environmental fate and pathways

  • Stability

    • Phototransformation in air

      • Calc Key Phototransformation in air.001
      • Exp NS Phototransformation in air.002

    • Hydrolysis

      • NS NS Hydrolysis.001

    • Phototransformation in water

      • Calc Key Phototransformation in water.001
      • Exp Key Phototransformation in water.002
      • Exp Supporting Phototransformation in water.003

    • Phototransformation in soil

      • NS NS Phototransformation in soil.001

  • Biodegradation

    • Biodegradation in water: screening tests

      • Exp Key Biodegradation in water: screening tests.001
      • Exp Key Biodegradation in water: screening tests.002
      • Exp Key Biodegradation in water: screening tests.003
      • Exp Supporting Biodegradation in water: screening tests.004
      • Exp Supporting Biodegradation in water: screening tests.005

    • Biodegradation in water and sediment: simulation tests

      • Exp Key Biodegradation in water and sediment: simulation tests.001
      • Exp Supporting Biodegradation in water and sediment: simulation tests.002

    • Biodegradation in soil

      • Exp Key Biodegradation in soil.001

  • Bioaccumulation

    • Bioaccumulation: aquatic / sediment

      • Calc Key Bioaccumulation: aquatic / sediment.001
      • Exp NS Bioaccumulation: aquatic / sediment.002

    • Bioaccumulation: terrestrial

      • NS NS Bioaccumulation: terrestrial.001

  • Transport and distribution

    • Adsorption / desorption

      • Calc Key Adsorption / desorption.001
      • Calc Key Adsorption / desorption.002

    • Henry's Law constant

      • Calc Supporting Henry's Law constant.001
      • Exp Key Henry's Law constant.002

    • Distribution modelling

      • Calc Key Distribution modelling.001

  • Additional information on environmental fate and behaviour

    • Exp Key Additional information on environmental fate and behaviour.001

• Ecotoxicological Information

  • Ecotoxicological Information.001

  • Aquatic toxicity

    • Short-term toxicity to fish

      • Exp Key Short-term toxicity to fish.001
      • Exp NS Short-term toxicity to fish.002
      • Exp NS Short-term toxicity to fish.003

    • Long-term toxicity to fish

      • NS NS Long-term toxicity to fish.001

    • Short-term toxicity to aquatic invertebrates

      • Exp Key Short-term toxicity to aquatic invertebrates.001
      • Exp Supporting Short-term toxicity to aquatic invertebrates.002
      • Exp Supporting Short-term toxicity to aquatic invertebrates.003
      • Exp Supporting Short-term toxicity to aquatic invertebrates.004

    • Long-term toxicity to aquatic invertebrates

      • Exp Key Long-term toxicity to aquatic invertebrates.001

    • Toxicity to aquatic algae and cyanobacteria

      • Exp Key Toxicity to aquatic algae and cyanobacteria.001
      • Exp NS Toxicity to aquatic algae and cyanobacteria.002

    • Toxicity to aquatic plants other than algae

      • NS NS Toxicity to aquatic plants other than algae.001

    • Toxicity to microorganisms

      • Exp Key Toxicity to microorganisms.001
      • Exp Key Toxicity to microorganisms.002
      • Exp Key Toxicity to microorganisms.003

    • Toxicity to other aquatic organisms

      • NS NS Toxicity to other aquatic organisms.001

  • Sediment toxicity

    • NS NS Sediment toxicity.001

  • Terrestrial toxicity

    • Toxicity to soil macroorganisms except arthropods

      • NS NS Toxicity to soil macroorganisms except arthropods.001

    • Toxicity to terrestrial arthropods

      • NS NS Toxicity to terrestrial arthropods.001

    • Toxicity to terrestrial plants

      • NS NS Toxicity to terrestrial plants.001

    • Toxicity to soil microorganisms

      • NS NS Toxicity to soil microorganisms.001

    • Toxicity to birds

      • NS NS Toxicity to birds.001

    • Toxicity to other above-ground organisms

      • NS NS Toxicity to other above-ground organisms.001

• Toxicological information

  • Toxicological information.001

  • Toxicokinetics, metabolism and distribution

    • Basic toxicokinetics

      • Exp Key Basic toxicokinetics.001
      • Exp Key Basic toxicokinetics.002
      • Exp Key Basic toxicokinetics.003
      • Exp Key Basic toxicokinetics.004
      • Exp Key Basic toxicokinetics.005
      • Exp Key Basic toxicokinetics.006
      • Exp Key Basic toxicokinetics.007
      • Exp Key Basic toxicokinetics.008
      • Exp Key Basic toxicokinetics.009
      • Exp Key Basic toxicokinetics.010
      • Exp Supporting Basic toxicokinetics.011
      • Exp Supporting Basic toxicokinetics.012
      • Exp Supporting Basic toxicokinetics.013
      • Exp Supporting Basic toxicokinetics.014
      • Exp Supporting Basic toxicokinetics.015
      • Other Supporting Basic toxicokinetics.016

    • Dermal absorption

      • Exp Key Dermal absorption.001
      • Exp Key Dermal absorption.002
      • Exp Key Dermal absorption.003
      • Exp Key Dermal absorption.004
      • Exp Supporting Dermal absorption.005

  • Acute Toxicity

    • Acute toxicity: oral

      • Exp Key Acute toxicity: oral.001
      • Exp Supporting Acute toxicity: oral.002

    • Acute toxicity: inhalation

      • NS NS Acute toxicity: inhalation.001

    • Acute toxicity: dermal

      • Exp Key Acute toxicity: dermal.001
      • Exp Supporting Acute toxicity: dermal.002

    • Acute toxicity: other routes

      • Exp Key Acute toxicity: other routes.001
      • Exp Key Acute toxicity: other routes.002
      • Exp Supporting Acute toxicity: other routes.003
      • Exp Supporting Acute toxicity: other routes.004

  • Irritation / corrosion

    • Skin irritation / corrosion

      • Exp WoE Skin irritation / corrosion.001
      • Exp WoE Skin irritation / corrosion.002
      • NS NS Skin irritation / corrosion.003

    • Eye irritation

      • NS NS Eye irritation.001

  • Sensitisation

    • Skin sensitisation

      • Exp Key Skin sensitisation.001
      • Exp Key Skin sensitisation.002
      • Exp Key Skin sensitisation.003
      • Exp Supporting Skin sensitisation.004

  • Repeated dose toxicity

    • Repeated dose toxicity: oral

      • Exp Key Repeated dose toxicity: oral.001
      • Exp Key Repeated dose toxicity: oral.002
      • Exp Key Repeated dose toxicity: oral.003
      • Exp Key Repeated dose toxicity: oral.004
      • Exp Key Repeated dose toxicity: oral.005
      • Exp Key Repeated dose toxicity: oral.006
      • Exp Supporting Repeated dose toxicity: oral.007
      • Exp Supporting Repeated dose toxicity: oral.008

    • Repeated dose toxicity: dermal

      • Exp Key Repeated dose toxicity: dermal.001
      • Exp Key Repeated dose toxicity: dermal.002
      • Exp Key Repeated dose toxicity: dermal.003

  • Genetic toxicity

    • Genetic toxicity in vitro

      • Exp Key Genetic toxicity in vitro.001
      • Exp Key Genetic toxicity in vitro.002
      • Exp Key Genetic toxicity in vitro.003
      • Exp Key Genetic toxicity in vitro.004
      • Exp Key Genetic toxicity in vitro.005
      • Exp Supporting Genetic toxicity in vitro.006
      • Exp Supporting Genetic toxicity in vitro.007

    • Genetic toxicity in vivo

      • Exp Key Genetic toxicity in vivo.001
      • Exp Key Genetic toxicity in vivo.002
      • Exp Key Genetic toxicity in vivo.003
      • Exp Key Genetic toxicity in vivo.004
      • Exp Key Genetic toxicity in vivo.005
      • Exp Supporting Genetic toxicity in vivo.006

  • Carcinogenicity

    • Exp Key Carcinogenicity.001
    • Exp Key Carcinogenicity.002
    • Exp Key Carcinogenicity.003
    • Exp Key Carcinogenicity.004
    • Exp Key Carcinogenicity.005
    • Exp Supporting Carcinogenicity.006
    • Other Supporting Carcinogenicity.007
    • Other Supporting Carcinogenicity.008

  • Toxicity to reproduction

    • Toxicity to reproduction

      • Exp Key Toxicity to reproduction.001
      • Exp Key Toxicity to reproduction.002

    • Developmental toxicity / teratogenicity

      • Exp Key Developmental toxicity / teratogenicity.001
      • Exp Key Developmental toxicity / teratogenicity.002

  • Specific investigations

    • Neurotoxicity

      • Exp Key Neurotoxicity.001

    • Specific investigations: other studies

      • Exp Key Specific investigations: other studies.001
      • Exp Key Specific investigations: other studies.002
      • Exp Key Specific investigations: other studies.003
      • Exp Key Specific investigations: other studies.004
      • Exp Key Specific investigations: other studies.005
      • Exp Key Specific investigations: other studies.006
      • Exp Key Specific investigations: other studies.007
      • Exp Key Specific investigations: other studies.008
      • Exp WoE Specific investigations: other studies.009
      • Other Supporting Specific investigations: other studies.010

  • Exposure related observations in humans

    • Health surveillance data

      • Other Key Health surveillance data.001
      • Other Key Health surveillance data.002

    • Epidemiological data

      • Exp NS Epidemiological data.001
      • Other Key Epidemiological data.002
      • Other NS Epidemiological data.003
      • Other NS Epidemiological data.004
      • Other Supporting Epidemiological data.005

    • Sensitisation data (humans)

      • Exp Key Sensitisation data (humans).001
      • Exp NS Sensitisation data (humans).002
      • Other Key Sensitisation data (humans).003
      • Other NS Sensitisation data (humans).004

    • Exposure related observations in humans: other data

      • Other Key Exposure related observations in humans: other data.001
      • Other NS Exposure related observations in humans: other data.002

  • Additional toxicological information

    • Other NS Additional toxicological information.002
    • Other NS Additional toxicological information.003

• Guidance on safe use

  • Guidance on safe use.001
  • Guidance on safe use.002

• Reference substances

  • hydroquinone
  • hydroquinone
  • hydroquinone
  • hydroquinone