Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: - | CAS number: -
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2023
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 023
- Report date:
- 2023
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Council Regulation (EC) No 440/2008 of 30 May 2008, Part A: Methods for the Determination of Physico-Chemical Properties: A.4 “Vapour Pressure (Gas Saturation Method or Effusion method: by loss of weight)”
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: Knudsen cell
Test material
- Reference substance name:
- pentazinc dichloride octahydroxide
- Cas Number:
- 12167-79-2
- Molecular formula:
- Zn5(OH)8Cl2·H2O
- IUPAC Name:
- pentazinc dichloride octahydroxide
Constituent 1
Results and discussion
Vapour pressure
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the Niodor sample can be estimated as follows:
P = 5.90 x 10-5 Pa = 4.42 x 10-7 mmHg at 20°C
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