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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
May 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
1995
Deviations:
no
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
capillary method
Specific details on test material used for the study:
Identification: Short-chain fructo-oligosaccharides
EC No. :908-300-1
Appearance: Slightly yellow powder

COMPOSITION:
Total FOS:96% expressed as dry matter
1-Kestose (GF2): 37.1% expressed as dry matter
Nystose (GF3): 50.5% expressed as dry matter
1F-Fructofuranosylnystose (GF4): 12.4% expressed as dry matter
Other components:Glucose +Fructose + Saccharose : 4% expressed as dry matter
Key result
Melting / freezing pt.:
>= 141 - <= 157 °C
Atm. press.:
ca. 979 hPa

The measured melting ranges at 979 hPa were: 141 to 149°C; 146 to 152°C and 144 to 157°C.

Conclusions:
The melting range of the test item is between 141 and 157°C.
Executive summary:

The melting point of the test item was determined in a study performed in accordance with EC A.1 method and OECD Guideline No. 102, using the capillarity method. The melting point of the test item was determined to be in the range 141 and 157°C.

Description of key information

The melting point of the test item was determined in a study performed in accordance with EC A.1 method and OECD Guideline No. 102, using the capillarity method. The melting point of the test item was determined to be in the range 141 and 157°C.


 

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
141 °C

Additional information

The melting point was investigated in a study performed in accordance with standard methods, without deviations. The study is considered as reliable (Klimisch 1) and is selected as a key study for the endpoint.