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EC number: 239-491-3 | CAS number: 15471-17-7
- 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
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2001-08-22 - 2001-10-05
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-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 402 (Acute Dermal Toxicity)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.3 (Acute Toxicity (Dermal))
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Test type:
- standard acute method
- Limit test:
- yes
Test material
- Reference substance name:
- 1-(3-sulphonatopropyl)pyridinium
- EC Number:
- 239-491-3
- EC Name:
- 1-(3-sulphonatopropyl)pyridinium
- Cas Number:
- 15471-17-7
- Molecular formula:
- C8H11NO3S
- IUPAC Name:
- 1-(2-hydroxy-3-sulphonatopropyl)pyridinium
- Details on test material:
- - Name of test material (as cited in study report): PPS SOLID
- Substance type: organic salt
- Physical state: white solid
- Lot/batch No.: 0300007/131
- Storage condition of test material: room temperature in the dark
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Sprague-Dawley
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS: Sprague-Dawley CD (Crl: CD® (SD) IGS BR) strain rats
- On receipt the animals were randomly allocated to cages. The females were nulliparous and non-pregnant.
- Source: Charles River (UK) Ltd, Margate, Kent, UK.
- Animal selection: at random and given a unique number within the study by indelible ink-marking on the tail and a number written on a cage card.
- Age at study initiation: approximately eight weeks
- Weight at study initiation: at least 200 g
- Housing: housed in suspended polypropylene cages furnished with wood flakes, individually during the 24-hour exposure period and in groups of five, by sex, for the remainder of the study
- Diet (e.g. ad libitum): ad libitum (Rat and Mouse SQC Expanded Diet No. 1, Special Diets Services Limited, Witham, Essex, UK)
- Water (e.g. ad libitum): ad libitum drinking water
The diet, drinking water and bedding were routinely analysed and were considered not to contain any contaminants that could reasonably be expected to affect the purpose or integrity of the study.
- Acclimation period: at least 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 to 25°C (Any occasional deviations from these targets were considered not to have affected purpose or integrity of the study)
- Humidity (%): 30 to 70% (Any occasional deviations from these targets were considered not to have affected the purpose or integrity of the study)
- Air changes (per hr): at least fifteen per hours
- Photoperiod (hrs dark / hrs light): twelve hours continuous light (06:00 to 18:00) and twelve hours darkness
The animals were provided with environmental enrichment items: wooden chew blocks (B&K Universal Ltd, Hull, UK) and cardboard fun tunnels (Datesand Ltd, Cheshire, UK) or suitable alternatives. These items were considered not to contain any contaminant of a level that might have affected the purpose or integrity of the study.
Administration / exposure
- Type of coverage:
- semiocclusive
- Vehicle:
- other: distilled water
- Details on dermal exposure:
- TEST SITE
- Preparation: on the day before treatment the back and flanks of each animal were clipped free of hair.
- Area of exposure: approximately 10% of the total body surface area
- Type of wrap if used: A piece of surgical gauze was placed over the treatment area and semi-occluded with a piece of self-adhesive bandage.
REMOVAL OF TEST SUBSTANCE
- Washing (if done): after the 24-hour contact period the bandage was carefully removed and the treated skin and surrounding hair wiped with cotton wool moistened with distilled water to remove any residual test material.
- Other: the absorption of the test material was not determined. - Duration of exposure:
- 24 hours
- Doses:
- 2000 mg/kg bw
- No. of animals per sex per dose:
- 5
- Control animals:
- not specified
- Details on study design:
- - Duration of observation period following administration: 14 days
- Frequency of observations and weighing: observed for deaths or overt signs of toxicity 0.5, 1, 2 and 4 hours after dosing and subsequently once daily for fourteen days, Individual bodyweights were recorded prior to application of the test material on Day 0 and on Days 7 and 14.
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight
All animals were subjected to gross necropsy. - Statistics:
- Using the mortality data obtained, an estimate of the acute dermal median lethal dose (LD50) of the test material was made.
Results and discussion
Effect levels
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- No mortality occurred.
- Clinical signs:
- other: No signs of systemic toxicity occurred. No signs of dermal irritation occurred.
- Gross pathology:
- No abnormalities were noted at necropsy.
- Other findings:
- No other findings were reported.
Applicant's summary and conclusion
- Interpretation of results:
- not classified
- Remarks:
- Migrated information Criteria used for interpretation of results: other: EU-GHS
- Conclusions:
- The study was performed according to the OECD TG402 without deviations and therefore considered to be of the highest quality (reliability Klimisch 1).The validity criteria of the test system was fulfilled. The test material did not induce any signs of acute dermal toxicity. The test material was considered to be not toxic via the dermal exposure route under the conditions of the test.
- Executive summary:
The acute dermal toxicity of the test material was investigated in rats. The test was conducted according to OECD TG402 and EU Method B. 3. 2000 mg/kg bw of the test substance was applied semiocclusive to the shaved skin of rats. After 24 h the animals were unwrapped and observations were made for a period of 14 days. No mortalities, signs of systemic toxicity, signs of dermal irritation, treatment-related body weight changes or pathological abnormalities were reported. The acute dermal median lethal dose (LD50) of the test material, in the Sprague-Dawley CD strain rat was found to be greater than 2000 mg/kg bodyweight.
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