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Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-06-14 to 2017-11-21
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Well documented, guideline study, undertaken to GLP requirements.
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
Regulation EC No. 440/2008 Method A.1. Melting/Freezing Temperature
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
OECD Test Guideline 102 (1995) Melting Point / Melting Range
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7200 (Melting Point / Melting Range)
Version / remarks:
EPA OCSPP Test Guideline 830.7200 (1998) Melting Point / Melting Range
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 1 (2009) Freezing Point
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Test Item: Tall oil pitch, reaction product with triethylene glycol
Batch No.: LABO 16-02
CAS RN: 2135769-54-7
CAS name: Tall oil pitch, ester with triethylene glycol
Appearance: Black, viscous liquid
Certificate of Analysis: Certificate of Analysis of Tall oil pitch, reaction product with triethylene glycol from LES DÉRIVÉS RÉSINIQUES & TERPÉNIQUES, 30 Rue Gambetta – BP 206 – 40105 DAX Cedex – France, dated 2017-03-13, Test substance data sheet from DRT and SDS from DRT
Storage conditions: Room temperature under nitrogen
Date of manufacture: 2016-11-14
Expiry date: 2018-11-14
Key result
Melting / freezing pt.:
> -52 - < -20 °C
Atm. press.:
1 006 hPa
Decomposition:
no

Table 1. Results of DSC-measurements

No.

Sample weight / mg

Onset of Effect / °C

Range of effect / °C

Weight loss / mg

PN13612

15.85

-52.05
---
---

-60 to 30 (endo)
40 – 130 (exo)
400 – >500 (endo)

14.89

PN13628

13.13

-52.02
---
---

-60 to 30 (endo)
40 – 130 (exo)
400 – 49
0 (endo)

12.31

Conclusions:
The melting point of Tall oil pitch, reaction product with triethylene glycol was determined by differential scanning calorimetry and visual observation according to Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102 (1995). The melting range of the substance is -52 to -21 °C at atmospheric pressure (1006 hPa).
Executive summary:

The melting point of Tall oil pitch, reaction product with triethylene glycol was determined by differential scanning calorimetry and visual observation according to Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102 (1995). The melting range of the substance is -52 to -21 °C at atmospheric pressure (1006 hPa).

Description of key information

The melting point of Tall oil pitch, reaction product with triethylene glycol was determined by differential scanning calorimetry and visual observation according to Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102 (1995). The melting range of the substance is -52 to -21 °C at atmospheric pressure (1006 hPa).

Key value for chemical safety assessment

Additional information