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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 246-529-2 | CAS number: 24916-90-3
Explosiveness
Administrative data
- Endpoint:
- explosiveness
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 3rd - 16th of June 2003
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: done under GLP and OECD method
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 003
- Report date:
- 2003
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: SOP is based on ISO 6184 Part 1 (1985) Explosion Protection Systems, Part 1 : Method for determination of explosion indices of combustible dusts in air.
- Principles of method if other than guideline:
- 20 Litre Sphere -(Explosion Severity): Explosion severity is a measure of the maximum pressure (Pmax) and the rate of pressure increase (dP/dtmax) generated by an exploding dust cloud determined in what is known as the '20 litre sphere' apparatus
- GLP compliance:
- yes
Test material
- Reference substance name:
- 9β,11β-epoxy-17,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione
- EC Number:
- 246-529-2
- EC Name:
- 9β,11β-epoxy-17,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione
- Cas Number:
- 24916-90-3
- Molecular formula:
- C22H28O5
- IUPAC Name:
- 9β,11β-epoxy-17,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Appearance: Light yellow powder
Moisture content: 0.15%w/v
Constituent 1
Results and discussion
Small-scale preliminary testsopen allclose all
- Parameter:
- other: More sensitive to shock than m-dinitrobenzene
- Remarks:
- migrated information
- Remarks on result:
- not measured/tested
- Parameter:
- other: More sensitive to friction than m-dinitrobenzene
- Remarks:
- migrated information
- Remarks on result:
- not measured/tested
- Parameter:
- other: Explosive under influence of flame
- Remarks:
- migrated information
- Remarks on result:
- positive (not further specified)
- Remarks:
- • This material is classified as a non-combustible solid and will not support propagating combustion. It can support combustion in the vicinity of a very hot ignition source
- Parameter:
- other: Explosive (not specified)
- Remarks:
- migrated information
- Remarks on result:
- negative (not further specified)
- Remarks:
- • This material is classified as a non-combustible solid and will not support propagating combustion. It can support combustion in the vicinity of a very hot ignition source
Any other information on results incl. tables
DUST EXPLOSIVITY
Group:A
Maximum Explosion Pressure:8.5 bar
Maximum Rate of Pressure Rise:938 barfs Kst:255 bar mis
St Class:2
Limiting Oxygen Concentration:7%vlv
TRAIN FIRE (10cm burn):Non-combustible. (Supports localised combustion).
Applicant's summary and conclusion
- Interpretation of results:
- non explosive
- Remarks:
- Migrated information
- Conclusions:
- Dust cloud ignition produces a strong dust explosion (St 2; Kst = 255 bar mis).
Dust cloud explosions will produce high maximum pressure (Pmax = 8.5 bar).
This material is classified as a non-combustible solid and will not support propagating
combustion. It can support combustion in the vicinity of a very hot ignition source.
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.
