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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 435-580-8 | CAS number: 56553-60-7
- 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 (non-LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP and guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 406 (Skin Sensitisation)
- GLP compliance:
- yes
- Type of study:
- guinea pig maximisation test
- Justification for non-LLNA method:
- Available study from 2001
Test material
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Name of the test substance used in the study report: "STAB"
Constituent 1
In vivo test system
Test animals
- Species:
- guinea pig
- Strain:
- Dunkin-Hartley
- Sex:
- male
- Details on test animals and environmental conditions:
- After an acclimatisation period of at least five days, each animal was selected at random and given a number unique within the study which was written on a small area of clipped rump using a black indelible marker-pen. At the start of the main study the animals weighed 303 to 411 g, and were approximately eight to twelve weeks old.
The animals were housed singly or in pairs in solid-floor polypropylene cages fumished with woodflakes. Free access to mains tap water and food (Guinea Pig FD1 Diet, Special Diets Services Limited, Witham, Essex, UK) was allowed throughout the study. The diet, drinking water and bedding were routinely analysed and were considered not to contain any contaminant that could reasonably be expected to affect the purpose or integrity of the study. The temperature and relative humidity were set to achieve limits of 17 to 23°C and 30 to 70%, respectively. Any occasional deviations from these targets were considered not to have affected the purpose or integrity of the study. The rate of air exchange was at least fifteen changes per hour and the lighting was controlled by a time switch to give twelve hours continuous light (06:00 to 18:00) and twelve hours darkness.
Study design: in vivo (non-LLNA)
Inductionopen allclose all
- Route:
- other: intradermal and topical
- Vehicle:
- other: dried arachis oil BP
- Concentration / amount:
- intradermal induction: 0.5%
topical induction: 25%
topical challenge: 10 and 5%
Challengeopen allclose all
- Route:
- other: topical
- Vehicle:
- other: dried arachis oil BP
- Concentration / amount:
- intradermal induction: 0.5%
topical induction: 25%
topical challenge: 10 and 5%
- No. of animals per dose:
- 10
- Details on study design:
- RANGE FINDING TESTS:
MAIN STUDY
A. INDUCTION EXPOSURE
A row of three injections (0.1 ml each) was made on each side of the mid-line into a 20 mm x 40 mm area:
a) Freund's Complete Adjuvant plus distilled water in the ratio 1:1
b) a 0.5% w/w formulation of the test material in dried arachis oil BP
c) a 0.5% w/w formulation of the test material in a 1:1 preparation of Freund's Complete 1 Adjuvant plus dried arachis oil BP.
On day 7, animals were treated with a topical application of 25% w/w in dried arachis oil BP for 48 h.
Control animals: The intradermal induction was performed using an identical procedure to that used for the test animais except that the test material was omitted from the intradermal injections.
B. CHALLENGE EXPOSURE
On day 20, the maximum non-irritant concentration (10% w/w in dried arachis oil BP) was applied to the right flank of each animal; to ensure that the maximum non-irritant concentration was used at challenge, the test material at a concentration of 5% w/w in dried arachis oil BP was similarly applied to a skin site on the left flank. The dressing was removed 24 h later.
Approximately 24 and 48 hours after challenge dressing removal, the degree of erythema and oedema was quantified - Positive control substance(s):
- yes
- Remarks:
- 2-Mercaptobenzothiazole
Results and discussion
In vivo (non-LLNA)
Results
- Reading:
- other: challenge
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 5 and 10%
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: other: challenge. . Hours after challenge: 24.0. Group: test group. Dose level: 5 and 10%. No with. + reactions: 0.0. Total no. in groups: 10.0.
Any other information on results incl. tables
One test group animal was found dead on Day 19. The death was not related to the toxicity of the test material and the absence of this animal was considered not to affect the purpose or integrity of the study.
Applicant's summary and conclusion
- Interpretation of results:
- not sensitising
- Remarks:
- Migrated information
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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