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Diss Factsheets
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EC number: 239-147-2 | CAS number: 15096-41-0
- 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
Toxicological Summary
- Administrative data
- Workers - Hazard via inhalation route
- Workers - Hazard via dermal route
- Workers - Hazard for the eyes
- Additional information - workers
- General Population - Hazard via inhalation route
- General Population - Hazard via dermal route
- General Population - Hazard via oral route
- General Population - Hazard for the eyes
- Additional information - General Population
Administrative data
Workers - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 500 mg/m³
DNEL related information
- DNEL derivation method:
- other: occupational exposure level (OEL or MAK)
- Overall assessment factor (AF):
- 1
Acute/short term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 1 000 mg/m³
DNEL related information
- DNEL derivation method:
- other: occupational exposure level (OEL or MAK)
Local effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
Workers - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 1.4 mg/kg bw/day
- Most sensitive endpoint:
- repeated dose toxicity
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
- Overall assessment factor (AF):
- 200
- Dose descriptor starting point:
- NOAEL
- Value:
- 200 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 280 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
Corrected NOAEL (dermal) for workers:
= 200 mg/kg bw/day x 1.4
= 280 mg/kg bw/day
- AF for dose response relationship:
- 1
- Justification:
- The dose response relationship is considered unremarkable, therefore no additional factor is used.
- AF for differences in duration of exposure:
- 4
- Justification:
- The exposure duration of the OECD TG 422 study was up to 63 days for females and 29 days for males. In comparison to a subacute 28-day study the OECD TG 422 study provides additional information on fertility and developmental toxicity, which justifies the assessment factor of 4.
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- The default allometric scaling factor for the differences between rats and humans is applied.
- AF for other interspecies differences:
- 2.5
- Justification:
- The recommended AF for other interspecies differences is applied.
- AF for intraspecies differences:
- 5
- Justification:
- The default value for the relatively homogenous group "worker" is used.
- AF for the quality of the whole database:
- 1
- Justification:
- The OECD TG 422 toxicity study was conducted according to regulatory standards and was adequately reported. On this basis the quality of the database is not considered to contribute uncertainty and it is therefore not necessary to apply an additional factor.
- AF for remaining uncertainties:
- 1
- Justification:
- The approach used for DNEL derivation is conservative. No further assessment factors are required.
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- high hazard (no threshold derived)
Acute/short term exposure
- Hazard assessment conclusion:
- high hazard (no threshold derived)
Workers - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- medium hazard (no threshold derived)
Additional information - workers
General
DNEL derivation for the test item is performed under consideration of the recommendations of ECHA, Guidance on information requirements and chemical safety assessment, Chapter R.8: Characterization of dose-response for human health (Version: 2.1, November 2012).
Inhalation
Long term, systemic DNEL – exposure via inhalation (workers)
No
repeated dose inhalation toxicity study with the test item is available.
The substance is an UVCB. Its constituents differ in their respective
vapor pressure considerably. Thus, regarding exposure via the inhalation
route, the most volatile constituent, i.e. 2 –propanol, is taken into
account reflecting the worst case.
Hazard assessment of 2 -propanol has been performed by the German MAK
commission (TRGS 900). A scientific occupational exposure level (OEL or
MAK) of 500 mg/m^3 was determined for long-term exposure of workers.
This long-term MAK value reflects a reasonable threshold applicable for
Human Health Risk Assessment especially for workers and does not require
further modification. Please also refer to disseminated dossier data of
2 -propanol available on ECHA´s website.
Acute, systemic DNEL- exposure via inhalation (workers)
There
is no short-term toxicity study via inhalation route available for the
test item. The substance is an UVCB. Its constituents differ in their
respective vapor pressure considerably. Thus, regarding exposure via the
inhalation route, the most volatile constituent, i.e. 2 –propanol, is
taken into account reflecting the worst case.
Hazard
assessment of 2 -propanol has been performed by the German MAK
commission. A scientific occupational exposure level OEL of 1000 mg/m^3
was determined for short-term exposure of workers. This short-term MAK
value reflects a reasonable threshold applicable for Human Health Risk
Assessment especially for workers and does not require further
modification. Please also refer to disseminated dossier data of 2
-propanol available on ECHA´s website.
Long term & acute, local DNEL- exposure via inhalation (workers)
Hazard of local effects is considered sufficiently covered by threshold values for long-term and short term systemic effects via the inhalation route.
Dermal
Long term, systemic DNEL- exposure via dermal route (workers)
No dermal repeated dose toxicity study with the test item is available. Therefore, long-term dermal DNEL was derived by route-to-route extrapolation.
The NOAEL of 200 mg/kg bw/day derived from an OECD TG 422 study performed with the test item was used as the Point of Departure.
Step 1: PoD: NOAEL = 200 mg/kg bw/day
Step 2: Modification into a correct starting point:
Correction
for difference between human and experimental exposure conditions: 7 d
rat/5 d worker.
There
are no relevant experimental data on repeated dermal exposure. A
conservative approach is used assuming identical dermal and oral
absorption values.
Corrected NOAEL (dermal) for workers:
= 200 mg/kg bw/day x 1.4
= 280 mg/kg bw/day
Step 3: Overall AF= 200
Interspecies AF, allometric scaling (rat to human): 4
The default allometric scaling factor for the differences between rats and humans is applied.
Interspecies AF, remaining differences: 2.5
The recommended AF for other interspecies differences is applied.
Intraspecies AF (worker): 5
The default value for the relatively homogenous group "worker" is used
Dose-response relationship AF: 1
The dose response relationship is considered unremarkable, therefore no additional factor is used.
Exposureduration
AF: 4
The exposure duration of the OECD TG 422 study was up to 63 days for
females and 28 days for males. In comparison to a subacute 28-day study
the OECD TG 422 study provides additional information on fertility and
developmental toxicity, which justifies the assessment factor of 4.
Remaining
uncertainties: 1
The
approach used for DNEL derivation is conservative. No further assessment
factors are required.
In conclusion,long term systemic dermal DNEL, workers = 1.4 mg/kg bw/day
Acute, systemic DNEL- dermal exposure (workers)
No acute dermal toxicity study is available for the test item. However, based on the results the test item is not classified for acute dermal toxicity according to Regulation (EC) No 1272/2008 (CLP). Thus, the acute systemic dermal DNEL was not derived. Further, long-term DNELs are considered sufficient to ensure that acute effects do not occur.
Long term & acute, local DNEL- dermal exposure (workers)
The test substance is classified as skin sensitizing cat 1 and appropriate qualitative risk managements measures should be implemented to avoid exposure. Thus, a qualitative risk assessment is applied and the substance is assigned to the high hazard band in accordance with ECHA Guidance on information requirements and chemical safety assessment Part E: Risk Characterisation (2016).
Hazard to the eye-local effects (worker)
The test item is classified as eye damaging Cat 1 according to Regulation (EC) No 1272/2008 (CLP). A qualitative risk assessment is applied and the substance is assigned to the moderate hazard band in accordance with ECHA Guidance on information requirements and chemical safety assessment Part E: Risk Characterisation (2016).
References
ECHA (2012). Guidance on information requirements and chemical safety assessment. Chapter R.8: Characterisation of dose [concentration]-response for human health. Version 2.1, November 2012
ECHA (2016). Guidance on information requirements and chemical safety assessment. Part E: Risk Characterisation, Version 3.0, May 2016
BAuA (2006). TRGS 900, BArBl Heft 1/2006 S. 41-55, as amended by GMBl 2018 S. 9 [Nr. 1] (v. 29.1.2018)
General Population - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
DNEL related information
General Population - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
General Population - Hazard via oral route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
DNEL related information
General Population - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- hazard unknown but no further hazard information necessary as no exposure expected
Additional information - General Population
Since no exposure is intended for the general population no DNEL (long-term, systemic) was derived.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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