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EC number: 243-424-3 | CAS number: 19910-65-7
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Study initiation date: 20 April 2012 Study Completion Date: 09 May 2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient - HPLC Method)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7570 (Partition Coefficient, n-octanol / H2O, Estimation by Liquid Chromatography)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- Bis-sec-butyl peroxydicarbonate
- EC Number:
- 243-424-3
- EC Name:
- Bis-sec-butyl peroxydicarbonate
- Cas Number:
- 19910-65-7
- Molecular formula:
- C10H18O6
- IUPAC Name:
- 2-[({[(butan-2-yloxy)carbonyl]peroxy}carbonyl)oxy]butane
- Test material form:
- liquid
Constituent 1
Study design
- Analytical method:
- high-performance liquid chromatography
Results and discussion
Partition coefficient
- Key result
- Type:
- log Pow
- Partition coefficient:
- 3.6
- Temp.:
- 30 °C
- pH:
- 6.5
Any other information on results incl. tables
Preliminary estimate
The log10 Pow was calculated to be 3.04.
Calibration
The retention times of the deadtime and the retention times, capacity factors (k') and log10 Pow values for the reference standards are shown in the following tables:
Dead Time |
Retention Time (mins) |
Mass Retention Time (mins) |
|
Injection 1 |
Injection 2 |
||
Thiourea |
2.581 |
2.581 |
2.581 |
Standard |
Retention Time (mins) |
Capacity Factor (k’) |
Log10k’ |
Log10Pow |
||
Injection 1 |
Injection 2 |
Mean |
||||
Benzonitrile |
4.209 |
4.204 |
4.207 |
0.630 |
-0.201 |
1.6 |
Benzene |
7.477 |
7.465 |
7.471 |
1.895 |
0.278 |
2.1 |
Toluene |
11.152 |
11.128 |
11.140 |
3.316 |
0.521 |
2.7 |
Naphthalene |
14.954 |
14.915 |
14.935 |
4.786 |
0.680 |
3.6 |
Phenanthrene |
34.027 |
33.925 |
33.976 |
12.164 |
1.085 |
4.5 |
Triphenylamine |
94.643 |
94.427 |
94.535 |
35.627 |
1.552 |
5.7 |
Partition coefficient of sample
The retention times, capacity factor and log10 Pow value determined for the test item sample solution are shown in the following table:
Injection |
Retention Time (mins) |
Capacity Factor (k) |
Log10k’ |
Log10Pow |
1 |
16.883 |
5.541 |
0.744 |
3.60 |
2 |
16.873 |
5.537 |
0.743 |
3.60 |
Mean log10 Pow: 3.60
Partition coefficient: 3.98 x 103
In the absence of any dissociating functional groups on the test item, no specific manipulation of the mobile phase pH was required. Therefore the determination was performed at an approximately neutral pH.
Analysis of the sec-butanol marker standard solution, a known hydrolysis product of the test item, confirmed that the peak monitored in the test item sample solution was not sec-butanol. In addition, on assessment of the test item sample solution chromatogram at the retention time of sec-butanol, approximately 1 1 minutes, no detectable concentration of sec-butanol was present in the test item sample solution.
Applicant's summary and conclusion
- Conclusions:
- The partition coefficient of the test item has been determined to be 3.98 x 10^3, log_10 P_ow 3.60.
- Executive summary:
The partition coefficient of di-sec-butyl peroxydicarbonate (CAS# 199 10-65-7) has been determined to be 3.98 x 103, log10 Pow 3.60.
The determination was carried out using an HPLC Method designed to be compatible with Method A8 Partition Coefficient of Commission Regulation (EC) No 440/2008 of 30 May 2008, Method 117 of the OECD Guidelines for Testing of Chemicals, 13 April 2004 and Method 830.7570 of the OPPTS Guidelines.
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