Registration Dossier

Physical & Chemical properties

Additional physico-chemical information

Administrative data

Endpoint:
additional physico-chemical information
Type of information:
experimental study
Adequacy of study:
other information
Study period:
no data available
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

Reference
Reference Type:
publication
Title:
The critical properties of thermally stable and unstable fluids. II. 1986 results
Author:
Teja AS and Anselme MJ
Year:
1990
Bibliographic source:
AIChE Symp. Ser. 86, 122-127

Materials and methods

Principles of method if other than guideline:
modified sealed ampoule technique
GLP compliance:
not specified
Endpoint investigated:
other: Critical temperature and density

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
1,2,3,4-tetrahydronaphthalene of Aldrich; purity: 99 %

Results and discussion

Results:
Critical temperature: 719.9 +/- 1.0 K (= 446.75 +/- 1°C)
Critical density: 0.324 +/- 0.005 g/ml
A decrease of critical temperature with time, indicating thermal  decomposition, was observed but compensated using an extrapolation method.

Applicant's summary and conclusion

Conclusions:
Critical temperature: 719.9 +/- 1.0 K (= 446.75 +/- 1°C)
Critical density: 0.324 +/- 0.005 g/ml
Executive summary:

Critical temperature: 719.9 +/- 1.0 K (= 446.75 +/- 1°C)
Critical density: 0.324 +/- 0.005 g/ml
A decrease of critical temperature with time, indicating thermal  decomposition, was observed but compensated using an extrapolation method.