Registration Dossier
Registration Dossier
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EC number: 680-378-7 | CAS number: 138624-11-0
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017-03-20 to 2017-05-15
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: isothermal thermogravimetry
Test material
- Reference substance name:
- (4-amino-1-hydroxy-1-phosphonobutyl)phosphonic acid hydrate
- EC Number:
- 680-378-7
- Cas Number:
- 138624-11-0
- Molecular formula:
- C4H15NO8P2
- IUPAC Name:
- (4-amino-1-hydroxy-1-phosphonobutyl)phosphonic acid hydrate
- Test material form:
- solid: particulate/powder
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and batch number: Sponsor and GTH-610
- Purity test date: 2016-04-16
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: At room temperature protected from light
TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: 10.4 and 15.0 mg samples of test material were each placed into a suspension of n-hexane and applied to the surface of a roughened glass plate as a homogenous layer.
FORM AS APPLIED IN THE TEST (if different from that of starting material)
10.4 and 15.0 mg samples of test material were each placed into a suspension of n-hexane and applied to the surface of a roughened glass plate as a homogenous layer.
Results and discussion
Vapour pressureopen allclose all
- Key result
- Test no.:
- #1
- Temp.:
- ca. 20 °C
- Vapour pressure:
- < 0 Pa
- Key result
- Test no.:
- #2
- Temp.:
- ca. 25 °C
- Vapour pressure:
- < 0 Pa
Transition / decomposition
- Key result
- Transition / decomposition:
- yes
- Transition temp.:
- > 190 °C
- Vapour pressure at 10°C below transition temperature:
- 0.23 Pa
- Vapour pressure at 20°C below transition temperature:
- 0.18 Pa
Applicant's summary and conclusion
- Conclusions:
- The vapor pressure of the test substance was determined according to guideline criteria to be < 8.4*10^-7 Pa at 20 degrees Celsiues and < 1.1 * 10^-6 at 25 degrees Celsius.
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