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EC number: 812-244-2 | CAS number: 957209-18-6
- 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
Surface tension
Administrative data
- Endpoint:
- surface tension
- Data waiving:
- other justification
- Justification for data waiving:
- the study does not need to be conducted because water solubility is below 1 mg/L at 20°C
Cross-reference
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2013-01-04 to 2013-02-01
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7840 (Water Solubility)
- GLP compliance:
- yes
- Type of method:
- flask method
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Name of substance as used in the study: L-21343
- Source and lot/batch No.of test material: 161255-76
- Purity: 99.87% sum of (2) isomers
- Expiration date of the lot/batch:9/24/2014 - Key result
- Water solubility:
- 0.407 µg/L
- Conc. based on:
- test mat.
- Incubation duration:
- >= 3 - <= 13 d
- Temp.:
- 22.6 °C
- Remarks on result:
- other: pH not reported
- Details on results:
- Average measured NOVEC 7700 water solubility in individual vials ranged from 0.210 ng/mL to 0.958 ng/mL. The intra-day average solubility concentration ranged from 0.233 ng/mL to 0.568 ng/mL. The overall average (N=9) was 0.407 ng/mL (RSD = 28%).
- Conclusions:
- Under the conditions of the study, the average measured water solubility of NOVEC 7700 is 0.407 µg/L (RSD = 28%).
- Executive summary:
The water solubility of NOVEC 7700 was determined according to the U.S. EPA guidance document OPPTS 830.7840 “Water Solubility: Column Elution Method; Shake Flask Method”.
Triplicate samples were prepared by injecting 100 µl of NONEV 7700 into the test vials pre-filled with Milli Q reagent water to zero-headspace. The vials were incubated at approximately 30°C with shaking at 100 rpm for total of nine time points: The initial 5 time points (3, 4, 5, 6 and 10 days), and additional second 4 time points (6, 8, 10 and 13 days). Time intervals for the second sample preparation were selected to overlap the previous time points. At the end of each time point, the vials were centrifuged at a setting of 1500 rpm for 60 minutes, then allowed to equilibrate for at least 24 hour. Triplicate aliquot of 5 mL of the aqueous solution were removed from the test vial and transferred to a separate vial containing 5 mL of MilliQ water, and analyzed using purge and trap gas chromatography/mass spectrometry (GC/MS).The intra-day average solubility concentration ranged from 0.233 ng/mL to 0.568 ng/mL. The overall average (N=9) was 0.407 ng/mL (RSD = 28%).
This is a guideline study conducted under GLP. Therefore, it is considered reliable without restriction and a key study.
Table 1. Summary of NOVEC 7700 water solubility results (ng/mL)
Time point |
Incubation time interval |
Average vial 1 conc. (1) (ng/mL) |
Average vial 2 conc. (1) (ng/mL) |
Average vial 3 conc. (1) (ng/mL) |
Average intra-day conc. (ng/mL) |
intra-day %RSD |
N |
1 |
3 days |
0.333 |
0.310 |
0.360 |
0.334 |
7.1 |
9 |
2 |
4 days |
0.388 |
4.81(2) |
0.294 |
0.341(3) |
16 |
6 (2) |
3 |
5 days |
0.281 |
0.384 |
0.345 |
0.337 |
14 |
9 |
4 |
6 days |
0.417 |
0.468 |
0.821 |
0.568 |
34 |
9 |
5 |
10 days |
0.857 |
0.302 |
0.348 |
0.502 |
55 |
9 |
6 |
6 days |
0.249 |
0.407 |
0.388 |
0.348 |
22 |
9 |
7 |
8 days |
0.353 |
0.453 |
0.545 |
0.450 |
19 |
9 |
8 |
10 days |
0.210 |
0.222 |
0.267 |
0.233 |
12 |
9 |
9 |
13 days |
0.958 |
0.279 |
0.414 |
0.550 (3) |
63 |
9 |
Inter-day Average |
|
|
|
0.407 (4) |
28 |
9 |
(1) Average of triplicate measurements
(2) Statistical outliers, data excluded from the intra-day average and RSD%;
(3) Laboratory matrix spike recovery < 70%;
(4) Inter-day average calculated using the nine intra-day averages.
Data source
Materials and methods
Results and discussion
Applicant's summary and conclusion
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