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EC number: 205-741-5 | CAS number: 149-45-1
- 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: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 14 - 29 May 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Version / remarks:
- Adopted: 17th December 2001
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Slovenska Narodna Akreditacna Sluzba (SNAS), Bratislava, Slovenska republika
- Test type:
- acute toxic class method
- Limit test:
- yes
Test material
- Reference substance name:
- Disodium 4,5-dihydroxybenzene-1,3-disulphonate
- EC Number:
- 205-741-5
- EC Name:
- Disodium 4,5-dihydroxybenzene-1,3-disulphonate
- Cas Number:
- 149-45-1
- Molecular formula:
- C6H6O8S2.2Na
- IUPAC Name:
- disodium 4,5-dihydroxybenzene-1,3-disulphonate
1
Test animals
- Species:
- rat
- Strain:
- Wistar
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Slovak Academy of Sciences Dobrá Voda, Slovak Republic
- Females nulliparous and non-pregnant: yes
- Age at study initiation: 9 - 10 weeks
- Weight at study initiation: 185 - 197 g
- Fasting period before study: overnight
- Housing: 3 animals per cage in plastic cages suspended on stainless steel racks
- Diet: Ssniff, ad libitum
- Water: tap water, ad libitum (3-4 h after administration)
- Acclimation period: 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 22.61 ± 0.57
- Humidity (%): 54.39 ± 2.72
- Photoperiod (hrs dark / hrs light): 12/12
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- water
- Details on oral exposure:
- VEHICLE
- Justification for choice of vehicle: a standard vehicle according to OECD TG 423
- Lot/batch no.: 0219M17, Imuna Pharm a.s., Slovakia
- Doses:
- 2000 mg/kg bw
- No. of animals per sex per dose:
- Step 1: 3
Step 2: 3 - Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Animals were observed individually immediately after administration of the test item and 0.5, 1, 2, and 4 h later. Each animal was inspected daily for the next 14 days. Individual weights of animals were measured immediately prior to administration of the test item and weekly thereafter.
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight
Results and discussion
Effect levels
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- No mortalities were observed.
- Clinical signs:
- other: No clinical signs of toxicity were observed up to the end of the 14-day observation period.
- Gross pathology:
- Animals sacrificed at the end of the post-treatment observation period showed no evidence of test-substance related grossly visible organ lesions.
Applicant's summary and conclusion
- Interpretation of results:
- other: CLP/EU GHS criteria are not met, no classification required according to Regulation (EC) No 1272/2008.
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