Registration Dossier
Registration Dossier
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EC number: 202-263-9 | CAS number: 93-62-9
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- no guideline followed
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Deviations:
- yes
- Remarks:
- Due to the nature of the sample, boiling point was determined by thermogravimetric analysis (TGA), which is a deviation from OECD Guidelines for The Testing of Chemicals, 103, July 27 1995.
- Principles of method if other than guideline:
- Sample is placed in a DSC hermetic pan with a laser drilled pinhole in the lid. When the sample starts to boil, the vapor pressure in the pan increases causing a weight loss through the
pinhole in the lid. The onset of the derivative of this weight loss is taken to be the boiling point of the sample.
The boiling point was measured using a TA Instruments 2950 TGA and hermetic pin-hole DSC pans. Approximately 4 mg samples were analyzed. The sample was heated from room temperature to 500°C at 5°C/min. Two replicate trials were performed. - GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: Thermogravimetric Analysis
- Specific details on test material used for the study:
- LOT# 3261
- Boiling pt.:
- 166 °C
- Atm. press.:
- 101.3 kPa
- Decomposition:
- no
- Conclusions:
- Boiling point of 2-Hydroxyethyliminodi(acetic acid) was measured using Thermogravimetric Analysis (TGA). The boiling point of the test material was determined to be 166 C.
- Executive summary:
Boiling point of 2-Hydroxyethyliminodi(acetic acid) was measured using Thermogravimetric Analysis (TGA). The boiling point of the test material was determined to be 166 C.
Reference
As seen in attached plot (overlay plot of 2 replicates) the first boiling point of the sample is 166°C. There are two boiling peaks above this
temperature; however the sample was decomposing while boiling at the higher temperatures. To be conservative the lowest boiling component is reported as the boiling point of the sample.
Description of key information
Boiling point of 2-Hydroxyethyliminodi(acetic acid) was measured using Thermogravimetric Analysis (TGA). The boiling point of the test material was determined to be 166 C.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 166 °C
Additional information
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