Registration Dossier
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: 204-818-0 | CAS number: 126-99-8
- 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
Acute Toxicity: other routes
Administrative data
- Endpoint:
- acute toxicity: other routes
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: only secondary literature
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Unnamed
- Year:
- 1 982
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- Summary of acute effects of exposure listed in handbook
- GLP compliance:
- no
Test material
- Reference substance name:
- chloroprene
- IUPAC Name:
- chloroprene
- Details on test material:
- - Name of test material (as cited in study report): chloroprene; 2-chlorobutadiene-1,3-; ß-chloroprene
- Molecular formula (if other than submission substance): CH2-CClCH-CH2
Constituent 1
Test animals
- Species:
- other: rat and mouse
- Strain:
- not specified
- Sex:
- not specified
- Details on test animals or test system and environmental conditions:
- not applicable
Administration / exposure
- Route of administration:
- other: oral , dermal and inhalation results presented
- Vehicle:
- not specified
Results and discussion
Effect levelsopen allclose all
- Sex:
- not specified
- Dose descriptor:
- LD50
- Effect level:
- 146 mg/kg bw
- Based on:
- test mat.
- Remarks on result:
- other: LD50 mouse
- Sex:
- not specified
- Dose descriptor:
- LD50
- Effect level:
- 450 mg/kg bw
- Based on:
- test mat.
- Remarks on result:
- other: LD50 rat
- Sex:
- not specified
- Dose descriptor:
- LC50
- Effect level:
- 3 480 other: mg/m3
- Based on:
- test mat.
- Remarks on result:
- other: LC 50 mouse
- Sex:
- not specified
- Dose descriptor:
- LC50
- Effect level:
- 11 800 other: mg/m3
- Based on:
- test mat.
- Remarks on result:
- other: LC 50 rat
- Other findings:
- intragastric intubation (acute oral) LD50 in mice - 146 mg/kg bw (119-180 fiducial limits)
intragastric intubation (acute oral) LD50 in rat - 450 mg/kg bw (369-550 fiducial limits)
Dermal LD50 in minutes - mouse 78 (57-106); rat 330 (268-406)
Inhalation LC50 mouse 3480 (3000 - 4000) mg/m3 for 2 h exposure; rat 11800 (10500 - 13200) mg/m3 for 4 h exposure
Described as narcotic, affecting internal organs and irritating the upper respiratory tract
Applicant's summary and conclusion
- Conclusions:
- intragastric intubation (acute oral) LD50 in mice - 146 mg/kg bw (119-180 fiducial limits)
intragastric intubation (acute oral) LD50 in rat - 450 mg/kg bw (369-550 fiducial limits)
Dermal LD50 in minutes - mouse 78 (57-106); rat 330 (268-406)
Inhalation LC50 mouse 3480 (3000 - 4000) mg/m3 for 2 h exposure; rat 11800 (10500 - 13200) mg/m3 for 4 h exposure
Described as narcotic, affecting internal organs and irritating the upper respiratory tract
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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