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Diss Factsheets
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EC number: 205-087-0 | CAS number: 133-06-2
- 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
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2 June 1987 to 15 July 1987
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Principles of method if other than guideline:
- Captan was dissolved in acetone which was evaporated under reduced pressure. Water was addded and allowed to saturate with captan. The saturated water was subsequently analysed by HPLC with UV detection after 2, 5, 7 and 23 hours.
- GLP compliance:
- no
- Type of method:
- flask method
- Specific details on test material used for the study:
- Appearance: white solid crystals
Purity: 98.9%
Batch no.: S-13(518)
Supplied by Makhteshim Chemical Works LTD. on 14 May 1987 - Key result
- Water solubility:
- ca. 3.77 mg/L
- Conc. based on:
- act. ingr.
- Incubation duration:
- 5 h
- Temp.:
- 25 °C
- pH:
- ca. 6.47
- Remarks on result:
- other: Maximum solubility after 5 hours, std. deviation 0.07 mg/mL
- Key result
- Water solubility:
- ca. 2.67 mg/L
- Conc. based on:
- act. ingr.
- Incubation duration:
- 24 h
- Temp.:
- 15 °C
- pH:
- ca. 6.47
- Remarks on result:
- other: Solubility after 24 hours, std. deviation 0.24 mg/mL
- Water solubility:
- ca. 3.28 mg/L
- Conc. based on:
- act. ingr.
- Incubation duration:
- 23 h
- Temp.:
- 25 °C
- pH:
- 6.47
- Remarks on result:
- other: Solubility after 23 hours
- Conclusions:
- Interpretation of results: Slightly soluble (0.1-100 mg/L). Captan was found to be slightly soluble with 3.77 mg/mL at 25 °C and a equilibrium time of 5 hours.
- Executive summary:
Captan is slightly soluble and is well known to be unstable in water (refer to hydrolysis studies).
In case of cleaning processes effects on water emissions are expected to be low. Effective cleaning can only be done by use of organic solvents.
Reference
Table 1: Experimental data of captan water solubility at 15°C:
sampling time [hr] | results run 1 [mg/L] | results run 2 [mg/L] | results run 3 [mg/L] |
24 | 2.48 | 2.59 | 2.94 |
Table 2: Experimental data of captan water solubility at 25°C
sampling time [hr] | results run 1 [mg/L] | results run 2 [mg/L] | results run 3 [mg/L] |
2 | 3.29 | not tested | 2.70 |
5 | 3.81 | 3.69 | 3.81 |
7 | 3.32 | 3.31 | 3.47 |
23 | 3.26 | 3.03 | 3.54 |
Description of key information
Solubility of captan was determined to be in maximum 3.77 mg/L at 25°C by HPLC detection. Captan is well known to be unstable in water with half-life times of 2.7 h.
Key value for chemical safety assessment
- Water solubility:
- 3.77 mg/L
- at the temperature of:
- 25 °C
Additional information
Water solubility of captan which was determined by flask method is about 3.77 mg/L at 25°C. Solubility is therefore assessed to be very low resulting in low emissions in aqueous process steps. Additionally the half-life time of 4.9 hours indicates low stability either.
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