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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Administrative data

Endpoint:
flammable gases
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP study considered to be from a trusted source

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
Trifluoroethane (HFC-143a) JACC No. 52,
Author:
ECETOC
Year:
2006
Bibliographic source:
ECETOC, Brussels, Belgium (October, 2006)
Reference Type:
publication
Title:
Unnamed
Year:
1991

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.11 (Flammability (Gases))
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
other: ASTM E 681
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1,1,1-trifluoroethane
EC Number:
206-996-5
EC Name:
1,1,1-trifluoroethane
Cas Number:
420-46-2
Molecular formula:
C2H3F3
IUPAC Name:
1,1,1-trifluoroethane

Results and discussion

Flammable gases (Lower and upper explosion limit)open allclose all
Parameter:
lower explosion limit
Value:
7.4 % (not further specified)
Parameter:
upper explosion limit
Value:
18.8 % (not further specified)
Pyrophoric solids
Test procedure:
ignition time on contact with air
Remarks:
Ignition on contact with air refers to either Pyrophoric solids or Pyrophoric liquids depending on physical state (migrated information).
Remarks on result:
no ignition on contact with air (not further specified)
Remarks:
corresponding to 'no' in migrated source record.
Pyrophoric liquids
Test procedure:
ignition time on contact with air
Remarks:
Ignition on contact with air refers to either Pyrophoric solids or Pyrophoric liquids depending on physical state (migrated information).
Remarks on result:
no ignition on contact with air (not further specified)
Remarks:
corresponding to 'no' in migrated source record.

Applicant's summary and conclusion

Conclusions:
Flammability limits at 20-25 deg. C are 7.4 - 18.8%
Executive summary:

Flammability limits at 20-25 deg. C are 7.4 - 18.8%