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EC number: 223-356-0 | CAS number: 3851-87-4
- 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
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- no data
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Valid with restriction; meets generally accepted scientific standards, well documented and acceptable for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 976
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 401 (Acute Oral Toxicity)
- GLP compliance:
- not specified
- Test type:
- standard acute method
- Limit test:
- no
Test material
- Reference substance name:
- bis (3,5,5-trimethylhexanoyl) peroxide
- IUPAC Name:
- bis (3,5,5-trimethylhexanoyl) peroxide
- Reference substance name:
- Trigonox 36 - CD75
- IUPAC Name:
- Trigonox 36 - CD75
- Reference substance name:
- Bis(3,5,5-trimethylhexanoyl) peroxide
- EC Number:
- 223-356-0
- EC Name:
- Bis(3,5,5-trimethylhexanoyl) peroxide
- Cas Number:
- 3851-87-4
- Molecular formula:
- C18H34O4
- IUPAC Name:
- 3,5,5-trimethylhexanoyl 3,5,5-trimethylhexaneperoxoate
- Details on test material:
- - Name of test material (as cited in study report): Trigonox 36-CD 75 (bis(3,5,5-trimethylhexanoyl peroxide)
- Substance type: organic peroxide
- Physical state: clear colourless liquid
- Analytical purity: 75 % in isododecane
- Storage condition of test material: -20°C
Constituent 1
Constituent 2
Constituent 3
Test animals
- Species:
- rat
- Strain:
- Wistar
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: TNO
- Age at study initiation: young adults
- Weight at study initiation: males: 182-322 g, females: 140-230 g
- Fasting period before study: overnight
- Housing: goups of 5
- Diet (e.g. ad libitum): after treatment ad libitum
- Water (e.g. ad libitum): after treatment ad libitum
- Acclimation period: no data
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 25°C
- Humidity (%): no data
- Air changes (per hr): no data
- Photoperiod (hrs dark / hrs light): no data
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- unchanged (no vehicle)
- Remarks:
- 75% solution in isododecane
- Details on oral exposure:
- MAXIMUM DOSE VOLUME APPLIED: 20 ml per kg bodyweight
- Doses:
- 11.6, 13.9, 16.7, and 20 ml per kg bodyweight
- No. of animals per sex per dose:
- 5
- Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
- Frequency of observations and weighing: no data
- Necropsy of survivors performed: yes - Statistics:
- no data
Results and discussion
Effect levels
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- >= 12.7 mL/kg bw
- Based on:
- test mat.
- 95% CL:
- >= 9.3 - <= 17.3
- Mortality:
- Mortality of the doses tested: 40-90 % (see Table 1); most death occured between 17 hours and 6 days after treatment; two males died on day 8 and 9
- Clinical signs:
- other: sluggishness, humpback behaviour and severe diarrhoea; irritation of the skin in the area around anus and tailroot, encrustations around eyes and nostrils; at the end of the observation period some rats showed necrosis of the skin around anus and tailroot
- Gross pathology:
- no treatment-related gross alterations
Any other information on results incl. tables
Table 1: Dosis applied and mortality observed
Dose ml/kg |
Mortality (No. of died per total animals per dose) |
|
|
males |
females |
% of mortality |
|
11.6 |
3/5 |
1/5 |
40 |
13.9 |
3/5 |
3/5 |
60 |
16.7 |
5/5 |
4/5 |
90 |
20 |
5/5 |
3/5 |
80 |
The LD50 was calculated according to the method of Weil (Biometrics 8 (1952) 249 -263).
Applicant's summary and conclusion
- Interpretation of results:
- practically nontoxic
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- The LD50 of bis-(3,5,5-trimethylhexanoyl)peroxide (75% in isododecane) was calculated to be 12.7 ml which equates to 11.96 g/kg bw.
- Executive summary:
In an acute oral toxicity study, groups of fasted, young adult Wistar derived male and female rats (5 per sex and dose) were given a single oral dose of bis-(3,5,5-trimethylhexanoyl)peroxide in 75% isododecane at doses of 11.6, 13.9, 16.7 and 20 ml/kg bw by gavage and were observed for 14 days. The LD50 was calculated to be 12.7 ml per kg body weight (which equates to 11.96 g/ kg bw) with 9.3 and 17.3 as the 95 % confidence limits.
Bis-3,5,5 -trimethylhexanoyl peroxide in 75% isododecane is practically non-toxic. This acute oral study is classified as acceptable. It does satisfy the guideline requirement for an acute oral study in the rat.
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