Registration Dossier
Registration Dossier
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EC number: 232-066-3 | CAS number: 7784-42-1
Flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- flammable gases
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 1989
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Publication in well acknowledged scientific journal
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Experiments were done in a closed cylindrical vessel at atmospheric pressure. Mixtures were ignited by fusing a nichrome wire by electric current at the centre of the vessel. Occurrence of explosion was determined from pressure history after ignition.
- GLP compliance:
- not specified
- Parameter:
- lower explosion limit
- Value:
- 5.1 % (not further specified)
- Parameter:
- upper explosion limit
- Value:
- 78 % (not further specified)
- Interpretation of results:
- Category 1 (flammable gases) based on GHS criteria
- Conclusions:
- The flammability limit of arsine in air is 5.1%–78%.
- Executive summary:
Flammability limits of the substance in air and the dilution effect of nitrogen on the flammability limits were investigated experimentally. Experiments were done in a closed cylindrical vessel at atmospheric pressure. Mixtures were ignited by fusing a nichrome wire by electric current at the center of the vessel. Occurrence of explosion was determined from pressure history after ignition. Solid power deposit on the inner wall was also useful for the decision in the case of arsine test. The flammability limits were determined as follows. The flammability limit of arsine in air is 5.1–78% (Ohtani, 1989).
Reference
Description of key information
The flammability was determined experimentally and reported in a published article.
Key value for chemical safety assessment
- Flammability:
- flammable
Additional information
The flammability limit of arsine in air is 5.1 - 78%.
Justification for classification or non-classification
Arsine is classified as a flammable gas 1A (H220: extremely flammable gas) under the EU CLP regulation (EC) 1272/2008.
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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