Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 270-726-2 | CAS number: 68477-35-0 A complex combination of hydrocarbons from the distillation of saturated and unsaturated aliphatic hydrocarbons usually ranging in the carbon numbers C3 through C6. It consists of saturated and unsaturated hydrocarbons having carbon numbers in the range of C3 through C6, predominantly piperylenes.
Flammability
Administrative data
- Endpoint:
- flammable gases
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant, non-guideline study, available as unpublished report, acceptable with restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 002
- Report date:
- 2002
Materials and methods
- Principles of method if other than guideline:
- This test determines the lower flammable limit of a vapour in air at atmospheric pressure. The sample is allowed to equilibrate with air in a glass vessel. A spark is then passed between electrodes for 0.5 seconds. The results are quoted as % volume of gas required per volume air.
- GLP compliance:
- yes
Test material
- Reference substance name:
- Hydrocarbons, C5-rich
- EC Number:
- 270-695-5
- EC Name:
- Hydrocarbons, C5-rich
- Cas Number:
- 68476-55-1
- IUPAC Name:
- Hydrocarbons, C5-rich
- Details on test material:
- Pyrolysis C5
Constituent 1
Results and discussion
Flammable gases (Lower and upper explosion limit)
- Parameter:
- lower explosion limit
- Value:
- 1.05 % (not further specified)
Any other information on results incl. tables
at 98.9 kPa and 35°C
Applicant's summary and conclusion
- Conclusions:
- The lower flammability limit of pyrolysis C5 has been determined to be 1.05 % v/v in air at 98.9 kPa and 35°C.
- Executive summary:
This study was conducted to GLP and is clearly described. The test determined the lower flammability limit of pyrolysis C5 vapour.
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