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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
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: 204-826-4 | CAS number: 127-19-5
- 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
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Acute Toxicity: other routes
Administrative data
- Endpoint:
- acute toxicity: other routes
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: No guideline study but scientific standards were met with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 970
- Report date:
- 1970
Materials and methods
- Principles of method if other than guideline:
- LD50 in male and female mice after i.p. injection.
- GLP compliance:
- no
- Limit test:
- no
Test material
- Reference substance name:
- N,N-dimethylacetamide
- EC Number:
- 204-826-4
- EC Name:
- N,N-dimethylacetamide
- Cas Number:
- 127-19-5
- Molecular formula:
- C4H9NO
- IUPAC Name:
- N,N-dimethylacetamide
- Test material form:
- liquid
Constituent 1
- Specific details on test material used for the study:
- - Name of test material: dimethylacetamide (DMAC)
No details available.
Test animals
- Species:
- mouse
- Strain:
- not specified
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- No details available.
Administration / exposure
- Route of administration:
- intraperitoneal
- Vehicle:
- water
- Doses:
- 2500, 3200, 4000 µL/kg bw
- No. of animals per sex per dose:
- 5 mice
- Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
No further details available. - Statistics:
- No data
Results and discussion
Effect levels
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- 3 500 other: µL/kg bw
- Remarks on result:
- other: for males and females combined, corresponding to 3290 mg/kg bw
- Mortality:
- Mice died mainly within 2 days. No further details.
- Clinical signs:
- Increased respiration rate, staggered gait, mice crouched down, dyspnoe, ruffled coat, prone position, tremor and reddened eyes were noted. There were no clinical signs after 9 days.
- Body weight:
- No data
- Gross pathology:
- There was suspicion of fatty liver in a few mice.
- Other findings:
- No
Applicant's summary and conclusion
- Conclusions:
- The LD50 of DMAC after i.p. injection was determined to be 3290 mg/kg bw in male and female mice.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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