2-Oxetanone, 3-C14-16-alkyl 4-C15-17-alkylidene derivs.

Melting point / freezing point

Link to relevant study record(s)

Reference

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2003

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Study followed the OECD test guideline and is scientifically valid. It was, however, not carried out under GLP

Qualifier:

equivalent or similar to guideline

Guideline:

OECD Guideline 102 (Melting point / Melting Range)

GLP compliance:

no

Type of method:

thermal analysis

Specific details on test material used for the study:

Test item: Aquapel 364
Batch No.: 3LP1456

Melting / freezing pt.:

> 37 - < 47 °C

Average from 2 DSC-scans:

- Onset temperature: 36.6°C

- Peak temperature: 43.6°

- Endset temperature: 47.2°C

Conclusions:

84989-41-3, AKD,
According to this report: The melting range of AKD is 37°C till 47°C.

Description of key information

The melting range of AKD is 37°C till 47°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:

37 °C

Additional information

The available study on CAS 84989-41-3 (Melting range, Thiele/Vissers, 2003, Technical Service Work Report, Aquapel 364 analysis,rs) is based on on DSC measurement in duplo equivalent to OECD Guideline 102 (Melting point / Melting Range).

 

Composition:

Alkyl Ketene Dimer (AKD): 90.1% (measured by FT-IR)

High Molecular Weight fraction: 5.5% (measured by HPLC with RI-detector)

Hydrolyzed AKD (HAKD): 0.9%

Fatty Acid Anhydride (FAA): 2.2%

 

The melting range might be different for other compositions.