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EC number: 950-299-5 | CAS number: -
- 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)
- Endpoint:
- vapour pressure
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- End points of target substance di-, tri-, tetra- chlorotetradecane can be read across from source substance Alkanes, C14-17, chloro EC number: 287-477-0 | CAS number: 85535-85-9. This due to the following comparison:
1) di-, tri-, tetra- chlorotetradecane components make up the C14 content found in Alkanes, C14-17, chloro. It is therefore logical that di-, tri-, tetra- chlorotetradecane has been tested as a component of the larger group Alkanes, C14-17, chloro EC number: 287-477-0
2) The target and read-across molecules are both straight chain and therefore it is considered there are no major difference in steric hindrance between the substances (due to branched chain structures)
3) The functional groups are consistent between the target and read across substances, both are predominantly chlorinated alkanes
The degree of chlorination can affect the (eco)toxicology and physicochemical properties of the substance. The Substance Evaluation Conclusion Document for Medium-chain chlorinated paraffins /
alkanes, C14-17, chloro, EC No 287-477-0, CAS No 85535-85-9 conducted by evaluating members state United Kingdom (2019) https://echa.europa.eu/documents/10162/a72b228a-e417-5b53-b2b9-3b45c8e6eec5 includes direct comparisons of chlorinated alkanes with varying carbon chain lengths and chlorination for physical chemical tests and biodegradability screening tests. Examples include trend in Log Kow increasing with carbon chain length and vapour pressure decreasing with increased chlorination. A trend in biodegradation studies was also noted, increased chain length and chlorination severely disrupted the biodegradation processes.
To increase the accuracy of the read across, studies used from the Alkanes, C14-17, chloro REACH dossier will only include studies that used C14 components and similar levels of chlorination to di-, tri-, tetra- chlorotetradecane – 35 to 52 % chlorination.
For the above reasons the required endpoint is sufficiently covered by the testing on the read across substance Alkanes, C14-17, chloro EC number: 287-477-0 and the hazard adequately assessed. It is therefore considered that further testing is not required. - Reason / purpose for cross-reference:
- read-across source
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- > 0 - < 0 mm Hg
- Conclusions:
- The vapour pressure is noted as being between 0.000001 and 0.000002 mm Hg (0.00013 and 0.00027 Pa) at 20°C.
- Executive summary:
No study has been reported for di-, tri-, tetra- chlorotetradecane, but data have been reported for the principal constituents of di-, tri-, tetra- chlorotetradecane that are found in the similar substance Alkanes, C14-17, chloro. However, as Alkanes, C14-17, chloro contains a broad range of chloro-alkanes, only reports using test material containing C14 chloro-alkanes and similar levels of chlorination (35 to 52 % chlorination) have been used for the purposes of read across.
Using read across, it can be concluded that the vapour pressured for di-, tri-, tetra- chlorotetradecane would between 0.000001 and 0.000002 mm Hg (0.00013 and 0.00027 Pa) at 20°C.
Reference
Description of key information
The upper value of 2.7 x 10-4 Pa at 20oC for a C14 -17 chlorinated paraffin (52% chlorinated) has been selected as a representative value for di-, tri-, tetra- chlorotetradecaneThe upper value of 2.7 x 10-4 Pa at 20oC for a C14 -17 chlorinated paraffin (52% chlorinated) has been selected as a representative value fordi-, tri-, tetra- chlorotetradecane
The upper value of 2.7 x 10-4 Pa at 20oC for a C14 -17 chlorinated paraffin (52% chlorinated) has been selected as a representative value fordi-, tri-, tetra- chlorotetrad
The upper value of 2.7 x 10
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 20 °C
Additional information
The vapour pressure of C14-17 chlorinated paraffins (52% chlorination) has been noted to be between 1 x 10-6 and 2 x 10-6 mm Hg (1.3 x 10-4 and 2.7 x 10-4 Pa) at 20°C (Campbell and McConnell, 1980), and at elevated temperatures as 1.07 x 10-3 Pa at 45oC, 6 x 10-3 Pa at 60oC and 0.051 Pa at 80oC (BUA, 1992; EU, 2005). A C14-17 chlorinated paraffin (45% chlorination) has a vapour pressure of 2.27 x 10-3 Pa at 40oC and 0.16 Pa at 80oC (BUA, 1992; EU, 2005).
There is no experimental information available on the variation of vapour pressure with carbon chain length and chlorine content for C14 -17 chlorinated paraffins. A study by Drouillard et al. (1998) found that vapour pressure of a series of short-chain chlorinated paraffins (C10 to C13) decreased with both increasing carbon chain length and chlorine content and so the same trend can be assumed for C14 -17 chlorinated paraffins. As di-, tri-, tetra- chlorotetradecane is only made fro mthe lowest carbon cahin length in C14 - 17 chlorinated paraffin the upper value of 2.7 x 10-4 Pa at 20oC for a C14 -17 chlorinated paraffin (52% chlorinated) has been selected as a representative value for di-, tri-, tetra- chlorotetradecane.
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.
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