Registration Dossier
Registration Dossier
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EC number: 201-177-9 | CAS number: 79-10-7
- 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
Henry's Law constant
Administrative data
Link to relevant study record(s)
Description of key information
From the water surface, acrylic acid will not evaporate into the atmosphere.
Henry's Law constant at 25 °C = 0.029 Pa*m³/mol
Key value for chemical safety assessment
- Henry's law constant (H) (in Pa m³/mol):
- 0.029
- at the temperature of:
- 25 °C
Additional information
Henry's Law Constant was calculated by Q(SAR) (SRC HENRYWIN v3.10) (BASF SE, 2008). The constant was estimated to be 0.029 Pa*m³/mol at 25 °C indicating that acrylic acid is essentially not volatile. Due to its pKa value of 4.0, the dissociated anionic form of acrylic acid is dominating under normal environmental conditions (pH range 5.5 - 9) as calculated by SPARC v4.2 (BASF SE 2009). Therefore, it has to be expected that the real partition of the total acrylic acid is determined only by its anionic form with a Henry's law constant being much lower than calculated above.
Thus, no evaporation of acrylic acid from the water surface into the atmosphere is expected under environmental conditions.
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