Registration Dossier
Registration Dossier
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EC number: 205-087-0 | CAS number: 133-06-2
Explosiveness
Administrative data
Link to relevant study record(s)
- Endpoint:
- explosiveness, other
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2013-11-14 until 2014-01-28
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.14 (Explosive properties)
- Deviations:
- yes
- Remarks:
- DSC measurement of decomposition properties - no further examination necessary.
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- - Physical state: white powder
- Analytical purity: 94% (w/w)
- Batch number: 92138436
- Expiry date: 16 July 2014
- Storage conditions: 20°C, closed dry - Key result
- Parameter:
- other: exothermic decomposition < 500J/g
- Remarks on result:
- not thermal sensitive if heated under defined confinement
- Remarks:
- Substances are not explosive with decomposition energies < 500 J/g and a thermal and mechanical main test is not necessary.
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Captan is not explosive.
- Executive summary:
By a DSC measurement ist was demonstrated that captan is decomposing with an exothermic energy of lower than 500 J/g leading to an assessment of captan being non-explosive.
This is in accordance to expert judgements as functional groups well known leading to explosion are missing.
Reference
DSC measurements of captan technical in a glass crucible under inert nitrogen atmosphere demonstrated an exothermic decomposition in a range between 180°C and 300°C. The results were analysed by the software STARe by integration of the heating curve. The resulting exothermic decomposition energy was -487 J/g.
In respect to Manual of Dangerous Goods, Manual of test and criteria, 5th revised edition, New York and Geneva, 2009, Appendix 6, 3.3 (c), P440 substances are not explosive with decomposition energies < 500 J/g and a thermal and mechanical main test is not necessary.
Description of key information
Based on DSC measurements it was demonstrated that captan has no explosive properties.
Key value for chemical safety assessment
- Explosiveness:
- non explosive
Additional information
Captan has no explosive properties.
Justification for classification or non-classification
Captan is not classified as being explosive according to annex I of regulation 1272/2008.
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