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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.
Diss Factsheets
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EC number: 204-646-6 | CAS number: 123-72-8
- 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
Other distribution data
Administrative data
- Endpoint:
- other distribution data
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key study
- Study period:
- 2007
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Acceptable, well-documented publication/study report which meets basic scientific principles
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
Materials and methods
- Principles of method if other than guideline:
- Calculation with Log Kow v1.67
- GLP compliance:
- no
- Type of study:
- other: Calculation with Log Kow v1.67
- Media:
- other: Calculation with Log Kow v1.67
Test material
- Reference substance name:
- n-Butanal
- IUPAC Name:
- n-Butanal
- Reference substance name:
- 000123-72-8
- Cas Number:
- 000123-72-8
- IUPAC Name:
- 000123-72-8
- Details on test material:
- No further details
Constituent 1
Constituent 2
Results and discussion
Any other information on results incl. tables
Calculation result: log Kow = 0.82
[ Exp
Log P: 0.88;
Exp Ref :
Hansch, C et al. (1995) ]
-------+-----+----------------------------------------------------------------+---------+--------
TYPE
| NUM |
LOGKOW
FRAGMENT DESCRIPTION |
COEFF
|
VALUE
-------+-----+----------------------------------------------------------------+---------+--------
Frag
|
1
|
-CH3
[aliphatic
carbon] |
0.5473 |
0.5473
Frag
|
2
|
-CH2-
[aliphatic
carbon] |
0.4911 |
0.9822
Frag
|
1
|
-CHO
[aldehyde,
aliphatic attach] |-0.9422
| -0.9422
Const
| |
Equation
Constant |
|
0.2290
-------+-----+----------------------------------------------------------------+---------+--------
Log
Kow =
0.8163
Applicant's summary and conclusion
- Conclusions:
- Log Kow = 0.8163
- Executive summary:
A calculation with Log Kow v1.67 was carried out the results were the following:
[ Exp Log P: 0.88;Exp Ref : Hansch, C et al. (1995) ]
-------+-----+----------------------------------------------------------------+---------+--------
TYPE | NUM | LOGKOW FRAGMENT DESCRIPTION | COEFF | VALUE
-------+-----+----------------------------------------------------------------+---------+--------
Frag | 1 | -CH3 [aliphatic carbon] | 0.5473 | 0.5473
Frag | 2 | -CH2- [aliphatic carbon] | 0.4911 | 0.9822
Frag | 1 | -CHO [aldehyde, aliphatic attach] |-0.9422 | -0.9422
Const | | Equation Constant | | 0.2290
-------+-----+----------------------------------------------------------------+---------+--------
Log Kow = 0.8163
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