Benzoic acid, 2-ethoxy-4-[2-[[(1S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]-, ethyl ester

Melting point / freezing point

Administrative data

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Feb 21 - May 31, 1999

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1999

Report date:

1999

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 102 (Melting point / Melting Range)

Version / remarks:

1995

Deviations:

no

GLP compliance:

yes

Type of method:

capillary method

Test material

Test material information

Constituent 1

Reference substance name:

2-Ethoxy-4-{3-[(S)-3-methy-1-(2-piperidin-1-yl-phenyl)-butylamino]-2-oxo-propyl}-benzoic acid ethyl ester

EC Number:

604-604-0

Cas Number:

147770-06-7

Molecular formula:

C29 H40 N2 O4

IUPAC Name:

2-Ethoxy-4-{3-[(S)-3-methy-1-(2-piperidin-1-yl-phenyl)-butylamino]-2-oxo-propyl}-benzoic acid ethyl ester

Results and discussion

Melting / freezing point

Key result

Melting / freezing pt.:

123 °C

Decomposition:

yes

Decomp. temp.:

ca. 300 °C

Applicant's summary and conclusion

Conclusions:

In conclusion, the melting point of AGEE 623 Amidester was determined to be 123 °C (396K).

Executive summary:

The determination of the melting point / melting range of AGEE 623 Amidester was performed in accordance with the EEC directive 92/69, Annex V, Part A, Methods for the determination of physico-chemical properties, A.1 “Melting Point / Melting Range” (1992) and OECD Guidelines for Testing of Chemicals, Guideline No. 102, “Melting Point / Melting Range” (1995) and EPA Product Properties Test Guideline OPPTS 830.7200 (1996).

The determination of the melting point / melting range was performed by visual judgement using the capillary method.

Using a linear heating rate of about 10K/min, AGEE 623 Amidester started to melt at about 121°C and started to decompose or react at about 300°C in the preliminary test. Thereby the colour of the liquid test substance changed from light yellowish to dark brown. Additional to this darkening, a formation of bubbles was observed started at about 360°C.

Three clear stages of melting were observed in the experiments of the main test. The melting process started at approximately 122.2°C (Stage A), a clearance of the melt (Stage B) was observed at 122.6 – 122.9 °C and the melting ended at 123.2°C (Stage E).