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EC number: 212-769-1 | CAS number: 868-14-4
- 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

Toxicity to soil microorganisms
Administrative data
- Endpoint:
- toxicity to soil microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- no data
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- publication
- Title:
- Biodegradation: The reason for the inefficiency of small organic acids in chelantassisted phytoextraction
- Author:
- Evangelou M.W. H., Ebel M., Hommes G., and Schaeffer A.
- Year:
- 2 008
- Bibliographic source:
- Water Air Soil Pollute
Materials and methods
- Principles of method if other than guideline:
- The experiment is designed to investigate NLMWOAs (citric acid, oxalic acid and tartaric acid) consumption by isolated microorganisms on minimal medium agar plates, however, the results indicate such substances imposed no hazardous effect on the isolated soil bacteria and fungi.
Test material
- Reference substance name:
- (+)-tartaric acid
- EC Number:
- 201-766-0
- EC Name:
- (+)-tartaric acid
- Cas Number:
- 87-69-4
- Molecular formula:
- C4H6O6
- IUPAC Name:
- (2R,3R)-2,3-dihydroxybutanedioic acid
- Details on test material:
- the original source is not specified, however, a reasonable deduction is that it should be at a high purity as the study is proposed to “investigate the reason for the inefficiency of three NLMWOAs (citric acid, oxalic acid and tartaric acid) in enhancing phytoextraction”, which needs the usage of substances as pure as possible to exclude interference from impurities.
Constituent 1
Test substrate
- Vehicle:
- no
Test organisms
- Test organisms (inoculum):
- other: Bacteria (Burkholderia sp., Ralstonia sp.); Fungi (Saccharomyces sp.; Cordyceps sp.; Basidiomyces sp.; Paecilomyces sp.; Paecilomyces sp.) individually.
Test conditions
- Test temperature:
- The flasks were separated in three different groups at incubation temperatures of 18°C, 28°C and 37°C
- Moisture:
- The soil samples were adjusted to a 50% maximum water holding capacity
- Details on test conditions:
- pH: 5.5;
temperature: at 18°C, 28°C and 37°C;
time: 3 weeks - Nominal and measured concentrations:
- air dried agricultural soil: 1g
Results and discussion
- Details on results:
- Tartaric acid (2g/L) can be degraded by the isolated microorganisms, which indicate that tartaric acid is not toxic to such isolated bacteria and fungi.
Applicant's summary and conclusion
- Conclusions:
- It is indicated that tartaric acid is not toxic to such isolated bacteria and fungi.
- Executive summary:
The experiment is designed to investigate NLMWOAs (citric acid, oxalic acid and tartaric acid) consumption by isolated microorganisms. Relevant results implied that tartaric acid (2g/L) can be degraded by the isolated microorganisms, which indicates that tartaric acid is not toxic to such isolated bacteria and fungi.
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