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EC number: 226-009-1 | CAS number: 5216-25-1
- 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
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
The vapour pressure ranges from 0.23 to 4.42 Pa at 25 °C
Key value for chemical safety assessment
Additional information
- log P = 2.844398 + (-29977.626 / (273.15+T)) for P in mBar and T in °C
- log P = 8.719495 + (-29977.626 / (273.15+T)) for P in Torr and T in °C
In company investigation conducted by Schwiersch (1975), the vapor pressure of 4-chloro-benzotrichloride was measured for seven temperatures between 100 and 220°C in order to establish the Antoine equation. The Antoine equation is a logaritmic linear relation between the vapor pressure of a substance and its temperature.
With this linear relation the vapor pressure can be determined for other temperatures.
The Antoine equation was found to be equal to:
Hence, in this study, the vapor pressure of 4-chloro-benzotrichloride was extrapolated at 20 °C and is equal to 0.031 Torr or 4.2 Pa. However, this private investigation is poorly documented and thus should be considered as not assignable.
The value reported for vapour pressure by Hommel (2002) in "Hommel interaktiv - Handbuch der gefährlichen Güter", 0.04 mBar at 20°C, is very close to the extrapolated value given by Schwiersch (1975). Besides, this handbook is considered as reliable with restrictions according to the ECHA guidance on specific endpoint guidance, chapter R7.a.
The remaining data are the results of QSARs approaches.
In a first estimation, the vapour pressure of 4 -chlorobenzotrichloride (CAS n° 5216 -25 -1) has been estimated with the modified grain method with the software MPBPVP (v 1.43) of the EPI suite (v 4.00).
In this modelisation, the software MPBPVP (v 1.43) of the EPI suite (v 4.00) returned a vapour pressure of 3.32 Pa at 25 °C for the the 4-chlorobenzotrichloride.
In a second estimation, the vapour pressure of 4 -chlorobenzotrichloride (CAS n° 5216 -25 -1) has been estimated with the software SPARC (w4.5.1529 -s4.5.1529).
In this modelisation, after encoding of the smile formula and setting the melting point at 5.82 °C, the software returned a vapour pressure of 0.23 Pa at 25 °C for the the 4 -chlorobenzotrichloride. Without setting the melting point, the software returned a vapour pressure of 2.83 Pa at 20 °C.
In addition, a study carried out according to the EU method A.4. is available and the value found under test conditions is 0.04 hPa at 20 °C. However, this study cannot be used by itself as no details on the conditions used are reported.
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