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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08 June - 15 Sept, 1994
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted followin EU guideline and in accordance with GLP. Study material is well characterized.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
Capillary method
GLP compliance:
yes
Type of method:
other: Metal block method

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

Melting / freezing point
Melting / freezing pt.:
>= 143.5 - <= 145 °C
Atm. press.:
ca. 1 atm
Decomposition:
no
Remarks on result:
other: Sample melts in the range 143.5°C to 145.0°C.

Any other information on results incl. tables

The test material cooled to an off-white clear solid after the test.

Applicant's summary and conclusion

Conclusions:
The melting temperature of A-88820.605 is in the range 143.5°C to 145.0°C.