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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
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EC number: 264-150-0 | CAS number: 63449-39-8
- 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
![](https://echa.europa.eu./o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_environmental-fate-and-pathways.png)
Phototransformation in air
Administrative data
- Endpoint:
- phototransformation in air
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Estimated data based on calculations.
Data source
Reference
- Reference Type:
- publication
- Title:
- Environmental Risk Evaluation Report: Long-Chain Chlorinated Paraffins.
- Author:
- UK Environment Agency
- Year:
- 2 009
Materials and methods
- Principles of method if other than guideline:
- calculated (Syracuse Research Corporation AOP (version 1.86 based on Atkinson)
- GLP compliance:
- no
Test material
- Reference substance name:
- Paraffin waxes and Hydrocarbon waxes, chloro
- EC Number:
- 264-150-0
- EC Name:
- Paraffin waxes and Hydrocarbon waxes, chloro
- Cas Number:
- 63449-39-8
- Molecular formula:
- C18H33Cl5 C18H30Cl8 C20H36Cl6 C20H33Cl9 C25H45Cl7 C25H42Cl10 C25H29C23 C30H53Cl9 C30H49Cl13 C30H35Cl27
- IUPAC Name:
- Paraffin waxes and Hydrocarbon waxes (C18 and longer), chloro
- Details on test material:
- C20-30, 70.8-71.3% Cl (solid)
Constituent 1
Study design
- Estimation method (if used):
- Model
- Light source:
- sunlight
- Details on light source:
- sunlight; model data
- Details on test conditions:
- hydroxyl radical concentration of 5x10E5 molecule/cm3
- Reference substance:
- no
Results and discussion
- Preliminary study:
- Not applicable
- Test performance:
- Not applicable
Dissipation half-life of parent compoundopen allclose all
- DT50:
- 112 h
- Test condition:
- C25 (71.3% Cl wt); hydroxyl radical concentration of 5x10E5 molecule/cm3
- DT50:
- 69.9 h
- Test condition:
- C30 (70.8% Cl wt); hydroxyl radical concentration of 5x10E5 molecule/cm3
- Transformation products:
- not specified
- Results with reference substance:
- No data
Any other information on results incl. tables
Estimated atmospheric half-lives are based are based on atmospheric hydroxyl radical concentration of 5x105 molecule/cm3.
Formula |
Chlorine Content (% wt. Cl) |
kOH (cm^3/molecule s) |
Atmospheric half-life (hours) |
C25H29Cl23 |
71.3 |
3.43 x 10-12 |
112 |
C30H35Cl27 |
70.8 |
5.51 x 10-12 |
69.9 |
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not applicable
- Conclusions:
- Estimated atmospheric halves in the range of 70-112 hrs for >70% Cl (wt.) LCCP components.
- Executive summary:
Estimated atmospheric halves in the range of 70-112 hrs for >70% Cl (wt.) LCCP components.
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.
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