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EC number: 244-334-7 | CAS number: 21324-40-3
- 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 sensitisation
Administrative data
- Endpoint:
- skin sensitisation: in vivo (LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 14 - 28 April 2008
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.2600 (Skin Sensitisation)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of study:
- mouse local lymph node assay (LLNA)
Test material
- Reference substance name:
- Lithium hexafluorophosphate(1-)
- EC Number:
- 244-334-7
- EC Name:
- Lithium hexafluorophosphate(1-)
- Cas Number:
- 21324-40-3
- Molecular formula:
- F6P.Li
- IUPAC Name:
- lithium(1+) hexafluoro-λ⁵-phosphanuide
- Details on test material:
- - Name of test material (as cited in study report): LiPF6
- Substance type: inorganic
- Physical state: white powder
- Analytical purity: > 99.9%
- Lot/batch No.: P07102202
- Expiration date of the lot/batch: 31 December 2008
- Stability under storage conditions: stable
- Storage condition of test material: At room temperature protected from light under nitrogen
Constituent 1
In vivo test system
Test animals
- Species:
- mouse
- Strain:
- CBA
- Sex:
- female
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Source: Charles River France, L’Arbresle Cedex, France
- Age at study initiation: approx. 10-12 weeks old
- Weight at study initiation: 20-25 g
- Housing: Individual housing in labeled Macrolon cages
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum): ad libitum
- Acclimation period: at least 5 days, group housed in Macrolon cages.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20.7 – 23.3
- Humidity (%): 41 - 63
- Air changes (per hr): 15
- Photoperiod (hrs dark / hrs light): 12/12
Study design: in vivo (LLNA)
- Vehicle:
- methyl ethyl ketone
- Concentration:
- 0, 2.5, 5 and 10%
- No. of animals per dose:
- 5
- Details on study design:
- RANGE FINDING TESTS:
- Compound solubility: The vehicle was selected based on trial formulations performed at NOTOX and on test substance data supplied by the sponsor.
- Irritation: The animal at 50% showed hunched posture, ventro-lateral recumbency, laboured respiration, piloerection and hypothermia and was sacrificed in extremis on Day 1. Macroscopic post mortem examination of the animal at 50% revealed dark red discoloration of the glandular mucosa of the stomach. The animal at 25% showed hunched posture and ptosis on Day 1. After cleaning the ears of the animal at 25% with tap water on Day 3, corrosion of the cleaned skin was noted and the animal showed hunched posture, piloerection, and squeaking. Macroscopic post mortem examination of the animal at 25% revealed scabs at the right ear.
At 5 and 10% test substance concentration no signs of systemic toxicity, no severe irritation and no macroscopic abnormalities were observed.
Based on the results, the highest test substance concentration selected for the main study was a 10% concentration.
MAIN STUDY
ANIMAL ASSIGNMENT AND TREATMENT
- Name of test method: LLNA
- Criteria used to consider a positive response: DPM values are presented for each animal and for each dose group. A Stimulation Index (SI) is calculated for each group. The SI is the ratio of the DPM/group compared to DPM/vehicle control group.
If the results indicate a SI >= 3, the test substance may be regarded as a skin sensitiser, based on the test guideline and recommendations done by ICCVAM.
TREATMENT PREPARATION AND ADMINISTRATION:
The test substance formulations (w/w) were prepared within 4 hours prior to each treatment. Homogeneity was obtained to visually acceptable levels.
The dorsal surface of both ears was epidermally treated (25 μL/ear) with the test substance concentration, at approximately the same time per day. The concentrations were mixed thoroughly using a vortex mixer immediately prior to dosing. - Positive control substance(s):
- hexyl cinnamic aldehyde (CAS No 101-86-0)
- Statistics:
- Consideration was given to the EC3 value (the estimated test substance concentration that will give a SI =3) according to Basketter DA, Lea LJ, Dickens A, Briggs, D, Pate I, Dearman RJ and Kimber I. A comparison of statistical approaches to the derivation of EC3 values from local lymph node assay dose responses. J Appl Toxicol 1999;19:261-266.
Results and discussion
- Positive control results:
- The SI values calculated for the substance concentrations 5, 10 and 25% were 1.7, 2.8 and 3.6 respectively. An EC3 value of 13.8 % was calculated using linear interpolation. The calculated EC3 value was found to be in the acceptable range of 2 and 20%.
In vivo (LLNA)
Resultsopen allclose all
- Parameter:
- SI
- Value:
- 0.9
- Test group / Remarks:
- 2.5% concentration
- Parameter:
- SI
- Value:
- 1.2
- Test group / Remarks:
- 5% concentration
- Parameter:
- SI
- Value:
- 1.3
- Test group / Remarks:
- 10% concentration
- Parameter:
- other: disintegrations per minute (DPM)
- Remarks on result:
- other: Mean DPM/animal values for the experimental groups treated with test substance concentrations 2.5, 5 and 10% were 243, 341 and 370 respectively. The mean DPM/animal value for the vehicle control group was 285.
Any other information on results incl. tables
Slight erythema was noted in one or both ears of three animals at 5% and in both ears of all animals at 10%. No oedema was observed in any of the animals examined. The irritation of the ears as shown by the animals, was considered not to have a toxicologically significant effect on the activity of the nodes.
All nodes of the experimental and control groups were considered normal in size. No macroscopic abnormalities of the surrounding area were noted.
Body weights and body weight gain of experimental animals remained in the same range as controls over the study period.
No mortality occurred and no symptoms of systemic toxicity were observed in the animals of the main study.
Applicant's summary and conclusion
- Interpretation of results:
- not sensitising
- Remarks:
- Migrated information
- Conclusions:
- Since there was no indication that the test substance could elicit an SI >= 3 when tested up to 10%, it was established that the EC3 value (if any) exceeds 10%.
Based on these results:
- according to the recommendations made in the test guidelines, LiPF6 would not be regarded as skin sensitizer.
- according to the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) of the United Nations (2004), LiPF6 does not have to be classified for sensitization by skin contact.
- according to the EC criteria for classification and labeling requirements for dangerous substances and preparations (Council Directive 67/548/EEC), LiPF6 does not have to be classified and has no obligatory labeling requirement for sensitization by skin contact.
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