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Physical & Chemical properties

Explosiveness

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Administrative data

Endpoint:
explosive properties of explosives
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Non-GLP, non-guideline, Information from published database, acceptable with restrictions.

Data source

Reference
Reference Type:
review article or handbook
Title:
National Toxicology Program Chemical Repository Database.
Author:
National Toxicology Program, Institute of Environmental Health Sciences, National Institutes of Health (NTP).
Year:
1992
Bibliographic source:
NTP

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
The use of secondary sources of data is acceptable when they are based on a critical evaluation of peer-reviewed data and a consequent selection of a reliable and representative value for the property under investigation. Although the method used is not known, the values presented here are acceptable as they are from a reliable secondary source of phys chem. data.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Methane
EC Number:
200-812-7
EC Name:
Methane
Cas Number:
74-82-8
Molecular formula:
CH4
IUPAC Name:
methane
Test material form:
gas

Results and discussion

Small-scale preliminary testsopen allclose all
Parameter:
other: Lower explosive limit (%)
Value:
5
Parameter:
other: upper explosive limits (%)
Value:
15

Applicant's summary and conclusion

Conclusions:
The lower explosivity limit of methane is 5% and the upper explosivity limit is 15%.
Executive summary:

The lower explosivity limit of methane is 5% and the upper explosivity limit is 15%.