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EC number: 500-399-6 | CAS number: 158725-44-1
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2012
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- Melting point/range:
Equipment:
SRS OptiMelt MPA100
Conditions:
Start temp: 50.0oC
Stop temp: 80.0oC
Rate: 1.0C/minute
Differential scanning calorimeter
(DSC)
Mettler Toledo AG - DSC823e
Conditions:
Sample weight: ~11mg
Start temp: 35.0C
Rate: 10.0oC/minute
Gas: N2 - GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- 75.8 - 79.5 °C
- Atm. press.:
- 1 atm
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: A glass transition of oligomeric mixture
- Conclusions:
- The substance is an oligomeric mixture. A glass transition of the oligomeric mixture was determined.
Optical Melting determination: Range 75.8-79.5
Point: 77.5
The thermogram shows a endothermic phase transition from solid to liquid (lined peak).
Onset result is more specifically related to the physically change -Melting Point since it is not influenced by sample size and scan rate.
Onset: 71.93C
Max Peak: 74.10C - Executive summary:
Optical Melting determination:
Point: 77.5
Range 75.8-79.5
The thermogram shows a endothermic phase transition from solid to liquid (lined peak).
Onset result is more specifically related to the physically change -Melting Point since it is not influenced by sample size and scan rate.
Onset: 71.93C
Max Peak: 74.10C
Reference
Optical Melting determination:Range: 75.8-79.5 Point: 77.5 The thermogram shows aendothermicphase transitionfrom solid to liquid (lined peak). Onset result is more specifically related to the physically change -Melting Point since it is not influenced by sample size and scan rate. Onset: 71.93°CMax Peak: 74.10°C
Description of key information
A glass transition of the oligomeric mixture has been determined as 75.8 -79.5°C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 77.5 °C
Additional information
MP determination has been conducted using SRS OptiMelt MPA100 under the following conditions: start temp 50 °C, stop temp 80 °C with rate of 1C/minute. Optical melting range determination: 75.8 -79.5 °C, Point 77.5 °C.
Differential; scanning calorimeter has been conducted as well using Mettler Toledo AG-DSC 823e. The thermogram shows aendothermicphase transitionfrom solid to liquid . Onset result is more specifically related to the physically change -Melting Point since it is not influenced by sample size and scan rate.Onset: 71.93°C, Max Peak 74.10°C.
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