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EC number: 240-211-7 | CAS number: 16066-38-9
- 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
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1996
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Dipropyl peroxydicarbonate
- EC Number:
- 240-211-7
- EC Name:
- Dipropyl peroxydicarbonate
- Cas Number:
- 16066-38-9
- Molecular formula:
- C8H14O6
- IUPAC Name:
- 1-({[(propoxycarbonyl)peroxy]carbonyl}oxy)propane
- Test material form:
- liquid
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Myrtle's Rabbitry, Thompson Station, TN
- Age at study initiation: no data
- Weight at study initiation: no data
- Housing: individually in suspended stainless steel cages
- Diet: PMI Certified Rabbit Chow #5322 (Purina Mi lis, lnc.) was provided ad libitum
- Water: Municipal tap water treated by reverse osmosis was available ad libitum
- Acclimation period: a minimum of five days
ENVIRONMENTAL CONDITIONS
- Temperature (°F): 67-71
- Humidity (%): 67-83
- Air changes (per hr): 10-15
- Photoperiod (hrs dark / hrs light): 12/12
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Vehicle:
- unchanged (no vehicle)
- Controls:
- not required
- Amount / concentration applied:
- 0.5 mlo
- Duration of treatment / exposure:
- 4 hours
- Observation period:
- at approximately 1, 24, 48 and 72 hours and up to 14 days
- Number of animals:
- 6
- Details on study design:
- TEST SITE
- Area of exposure:
- % coverage: 1" x 1" square 4 ply gauze patch
- Type of wrap if used: semi-occlusive binding
REMOVAL OF TEST SUBSTANCE
- Washing (if done): gauze moistened with distilled water followed by dry gauze
- Time after start of exposure: 4 h
SCORING SYSTEM:
- Method of calculation: Draize score
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 2.05
- Max. score:
- 4
- Reversibility:
- not fully reversible within: 14 days
- Remarks on result:
- positive indication of irritation
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 2.5
- Max. score:
- 4
- Reversibility:
- fully reversible within: 14 days
- Remarks on result:
- positive indication of irritation
- Irritant / corrosive response data:
- Exposure to the test article produced very slight to well-defined erythema and severe edema on 6/6 test sites at the 1 hour scoring interval. The dermal irritation resolved completely in 2/6 animais by study day 14. Additional dermal findings included superficial lightening, erythema extending beyond test site and
desquamation which were noted on 6/6 test sites and blanching which was noted on 5/6 test sites.
Applicant's summary and conclusion
- Interpretation of results:
- Category 2 (irritant) based on GHS criteria
- Conclusions:
- Under the conditions of this test, Lupersol 221 is considered to be an irritant to the skin of the rabbit. However, due to the lack of any in-depth injury, the test article is not considered to be corrosive
- Executive summary:
The potential irritant and/or corrosive effects of Lupersol 221 were evaluated on the skin of New Zealand White rabbits. Each of six rabbits received a 0.5 ml dose of the test article as a single dermal application. The dose was held in contact with the skin under a semi occlusive binder for an exposure period of four hours. Following the exposure period, the binder was removed and the remaining test article was wiped from the skin using gauze moistened with distilled water followed by dry gauze. Test sites were subsequently examined and scored for dermal irritation for up to 14 days following patch removal. Exposure to the test article produced very slight to well-defined erythema and severe edema on 6/6 test sites at the 1 hour scoring interval. The dermal irritation resolved completely in 2/6 animals by study day 14. Additional dermal findings included superficial lightening, erythema extending beyond test site and desquamation which were noted on 6/6 test sites and blanching which was noted on 5/6 test sites. The mean scores (24, 48 and 72 hours) were 2.05 for erythema and 2.5 for edema. Under the conditions of this test, Lupersol 221 is considered to be an irritant to the skin of the rabbit. However, due to the lack of any in-depth injury, the test article is not considered to be corrosive.
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