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Diss Factsheets
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EC number: 309-358-5 | CAS number: 100209-50-5
- 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: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study in compliance with guidelines
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.1100 (Acute Oral Toxicity)
- Deviations:
- no
- GLP compliance:
- yes
- Test type:
- acute toxic class method
- Limit test:
- yes
Test material
- Reference substance name:
- Wheat, ext., hydrolyzed
- EC Number:
- 309-358-5
- EC Name:
- Wheat, ext., hydrolyzed
- Cas Number:
- 100209-50-5
- Molecular formula:
- UVCB substance, not applicable.
- IUPAC Name:
- (2R,3S,4S,5R)-2,5-bis(hydroxymethyl)oxolane-2,3,4-triol; (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-{[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}oxane-3,4,5-triol; (3R,4S,5S,6R)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol; 2-hydroxypropanoic acid; acetic acid
- Details on test material:
- Identification: Wheat Solubles, Hydrolyzed
Description: Light brown-yellow powder with lumps
Batch: Cargill WSH Batch A
Purity: treated as 100% pure
Stability under storage conditions: Stable
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Wistar
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- Species: Rat, Wistar strain Crl:WI (Han) (outbred, SPF-Quality).
Source: Charles River Deutschland, Sulzfeld, Germany.
Number of animals: 6 Females (nulliparous and non-pregnant). Each dose group consisted of 3 animals.
Age and body weight: Young adult animals (approx. 12 weeks old) were selected. Body weight variation did not exceed +/- 20% of the sex mean.
Identification: Earmark.
Health inspection: A health inspection was performed prior to commencement of treatment, to ensure that the animals were in a good state of health.
Conditions: Animals were housed in a controlled environment, in which optimal conditions were considered to be approximately 15 air changes per hour, a temperature of 21.0 ± 3.0ºC (actual range: 19.7 – 21.6ºC), a relative humidity of 30-70% (actual range: 43 - 79%) and 12 hours artificial fluorescent light and 12 hours darkness per day.
Accommodation: Group housing of 3 animals per cage in labeled Macrolon cages (MIV type; height 18 cm.) containing sterilized sawdust as bedding material (Litalabo, S.P.P.S., Argenteuil, France) and paper as cage-enrichment (Enviro-dri, Wm. Lillico & Son (Wonham Mill Ltd), Surrey, United Kingdom).
Acclimatization period was at least 5 days before start of treatment under laboratory conditions.
Diet: Free access to pelleted rodent diet (SM R/M-Z from SSNIFF® Spezialdiäten GmbH, Soest, Germany).
Water: Free access to tap water.
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- water
- Details on oral exposure:
- Method: Oral gavage, using plastic feeding tubes.
Fasting: Animals were deprived of food overnight prior to dosing and until 3-4 hours after administration of the test substance. Water was available ad libitum.
Frequency: Single dosage, on Day 1. - Doses:
- 2000 mg/kg (10 mL/kg) body weight.
- No. of animals per sex per dose:
- Number of animals: 6 Females (nulliparous and non-pregnant). Each dose group consisted of 3 animals.
- Control animals:
- no
- Details on study design:
- The toxicity of the test substance was assessed by stepwise treatment of groups of 3 females. The first group was treated at a dose level of 2000 mg/kg. The absence or presence of mortality of animals dosed at one step determined the next step, based on the test procedure defined in the guidelines. The onset, duration and severity of the signs of toxicity were taken into account for determination of the time interval between the dose groups.
- Statistics:
- No statistical analysis was performed
Results and discussion
- Preliminary study:
- see below
Effect levels
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- No mortality occurred.
- Clinical signs:
- other: Hunched posture was noted in all animals on Day 1 only. Further, piloerection was noted in one female on Day 1 and alopecia was noted in two females from Day 10 onwards.
- Gross pathology:
- No abnormalities were found at macroscopic post mortem examination of the animals.
- Other findings:
- none
Any other information on results incl. tables
The oral LD50value of Wheat Solubles, Hydrolyzed in Wistar rats was established to exceed 2000 mg/kg body weight.
According to the OECD 423 test guideline, the LD50 cut-off value was considered to exceed 5000 mg/kg body weight.
Applicant's summary and conclusion
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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