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Administrative data

Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
20 September 1994
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted according to EU and in accordance with GLP. Study material is well characterized.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
L 383/A, 29.12.92
GLP compliance:
yes
Type of method:
other: Based on ASTM D1120-72 "Boiling point of engine antifreezes"

Test material

Constituent 1
Chemical structure
Reference substance name:
A mixture of: bis(1S,2S,4S)-(1-benzyl-4-tert-butoxycarboxamido-2-hydroxy-5-phenyl)pentylammonium succinate; isopropyl alcohol
EC Number:
414-810-0
EC Name:
A mixture of: bis(1S,2S,4S)-(1-benzyl-4-tert-butoxycarboxamido-2-hydroxy-5-phenyl)pentylammonium succinate; isopropyl alcohol
Cas Number:
144163-85-9
Molecular formula:
Empirical formula: C25H35N2O5
IUPAC Name:
butanedioic acid; propan-2-ol; bis(tert-butyl N-[(4R)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl]carbamate)

Results and discussion

Boiling point
Boiling pt.:
<= 200 °C
Atm. press.:
1 005 mBar
Decomposition:
ambiguous
Remarks:
On cooling back to room temperature it became a golden-brown solid.
Remarks on result:
other: The boiling temperature dropped slowly until a steady state of relux was reached at 152°C to 165°C

Any other information on results incl. tables

The boiling characteristics were that of a viscous liquid.

Applicant's summary and conclusion

Conclusions:
A-88820.605 has a maximum boiling temperature of 200°C with a colour change from an initial white solid to a golden brown solid on cooling.