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EC number: 219-834-3 | CAS number: 2549-51-1
- 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:
- 2001
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Test type:
- acute toxic class method
- Limit test:
- no
Test material
- Reference substance name:
- Vinyl chloroacetate
- EC Number:
- 219-834-3
- EC Name:
- Vinyl chloroacetate
- Cas Number:
- 2549-51-1
- Molecular formula:
- C4H5ClO2
- IUPAC Name:
- ethenyl 2-chloroacetate
- Test material form:
- liquid
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Sprague-Dawley
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River (UK)
- Females (if applicable) nulliparous and non-pregnant: yes
- Age at study initiation: 8 - 12 weeks.
- Weight at study initiation: Females: 203 - 222 g. Males: 230 - 231 g.
- Housing: Groups of three in solid-floor polypropylene cages furnished with woodflakes.
- Diet (e.g. ad libitum): Rat and Mouse Expanded Diet N°1 (Special Diets Services Limited) ad libitum
- Water (e.g. ad libitum): ad libitum
- Acclimation period: Five days.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 - 25°C
- Humidity (%): 30 - 70%
- Air changes (per hr): 15
- Photoperiod (hrs dark / hrs light): 12/12
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- arachis oil
- Remarks:
- Test substance was administrated as supplied for the 200 mg/kg bw dose level.
- Details on oral exposure:
- VEHICLE
- Concentration in vehicle: 20 mg/mL (200 mg/kg bw dose level)
- Amount of vehicle (if gavage): 10 mL/kg
CLASS METHOD (if applicable)
- Rationale for the selection of the starting dose: The information available suggested a starting dose of 2000 mg/kg bw. - Doses:
- 200 mg/kg bw, 2000 mg/kg bw.
- No. of animals per sex per dose:
- 200 mg/kg bw: 3 animals/sex
2000 mg/kg bw: 3 female animals - Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Animals were observed for deaths or overt signs of toxicity 30 min, 1h, 2h, and 4h after dosing and subsequently once daily. Individual bodyweights were recorded prior to dosing and seven and fourteen days after treatment or at death.
- Necropsy of survivors performed: yes
Results and discussion
Effect levels
- Key result
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- 200 mg/kg bw
- Based on:
- test mat.
- Mortality:
- All animals treated with 2000 mg/kg bw and one female treated with 200 mg/kg were found dead during the day of dosing.
- Clinical signs:
- other: Common signs of systemic toxicity noted in animals treated with 2000 mg/kg bw were hunched posture, ataxia, loss of righting reflex, decreased respiratory rate, laboured respiration, coma and pallor of the extremities. Common signs of systemic toxicity no
- Gross pathology:
- Abnormalities noted during the necropsy of animals that died during the study were haemorrhagic lungs, dark liver, dark kidneys, epithelial sloughing and pale appearance of the gastric mucosa and haemorrhagic small intestine.
No abnormalities were noted at necropsy in animals killed at the end of the study.
Any other information on results incl. tables
See 'attached background material'
Applicant's summary and conclusion
- Interpretation of results:
- Category 4 based on GHS criteria
- Conclusions:
- The acute toxicity study by oral route was conducted on the registered substance according to the OECD Testing Guideline 423. The acute oral median lethal dose (LD50) of the test item in rats was concluded to be 200 mg/kg body weight. As the majority of LD50 range falls into Acute Tox. Oral, Category 4 and the mean LD50 value would lie between 300 and 500 mg/kg bw, classification into category 4 was deemed applicable in accordance with Table 3.1.1 of Regulation (EC) No.1272/2008.
- Executive summary:
The acute toxicity: oral of the test substance was determined during a GLP study performed in accordance with the OECD Guideline for Testing of Chemicals 423.
Three female Sprague-Dawley rats were treated at 2000 mg/kg bw. Following this treatment, three male and three female rats received 200 mg/kg bw. Clinical signs and body weight development were monitored for 14 days following the administration of the test substance. All animals were subjected to gross necropsy.
All animals treated with 2000 mg/kg bw and one female treated with 200 mg/kg were found dead during the day of dosing. Common signs of systemic toxicity noted in animals treated with 2000 mg/kg bw were hunched posture, ataxia, loss of righting reflex, decreased respiratory rate, laboured respiration, coma and pallor of the extremities. Common signs of systemic toxicity noted in animals treated with 200 mg/kg bw were hunched posture and lethargy with incidents or isolated incidents of diarrhoea, ataxia, decreased respiratory rate, laboured respiration and noisy respiration. Surviving animals showed expected gains in bodyweight over the study period and recovered one day after dosing.
The acute oral median lethal dose (LD50) of the test item in rats was concluded to be 200 mg/kg body weight. As the majority of LD50 range falls into Acute Tox. Oral, Category 4 and the mean LD50 value would lie between 300 and 500 mg/kg bw, classification into category 4 was deemed applicable in accordance with Table 3.1.1 of Regulation (EC) No.1272/2008.
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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