Registration Dossier
Registration Dossier
Data platform availability banner - registered substances factsheets
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 217-370-6 | CAS number: 1825-62-3
- 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:
- supporting study
- Study period:
- 22-Mar-2005 to 22-Apr-2005
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- BAYERISCHES LANDESAMT FUR ARBEITSSCHUTZ, ARBEITSMEDIZIN UND SICHERHEITSTECHNIK
- Type of method:
- flask method
- Water solubility:
- 0.995 g/L
- Temp.:
- 20 °C
- Conclusions:
- Interpretation of results: moderately soluble (100-1000 mg/L)
A water solubility of 0.995 g/l at 24°C was determined in a reliable study conducted according to an appropriate test protocol, and in compliance with GLP.
Reference
Results
Method 1: EC test guideline A.6 / 1.6.2 Preliminary test
total amount of test substance [g] |
total amount of distilled water [g] |
stirring time [h] |
clear solution (yes/no) |
approximate solubility [g/l] |
2.0112 |
100 |
24 |
no |
< 20 |
1.7602 |
100 |
24 |
no |
< 18 |
1.5152 |
100 |
24 |
no |
< 15 |
1.2515 |
100 |
24 |
no |
< 12 |
1.0157 |
100 |
24 |
no |
< 10 |
0.7515 |
100 |
24 |
no |
< 8 |
0.5046 |
100 |
24 |
no |
< 6 |
0.2569 |
100 |
24 |
no |
< 3 |
0.1089 |
100 |
24 |
no |
1 |
Water solubility is approximately 1 – 3 g/l
Method 2:EC test guideline A.6 / 1.4.2. Flask method
Results: |
Preincubation time [h] |
Time at test temperature until measurement [h] |
Concentration [g/l]1) |
pH-value |
Vessel 1 |
24 |
24 |
1.000 |
7.0 |
Vessel 2 |
48 |
24 |
0.985 |
6.9 |
Vessel 3 |
72 |
24 |
1.000 |
7.0 |
1)mean values from 2 measurements; 1 w% = 0.1 g/l
Mean value of all three measurements: 0.995 g/l
Standard deviation: 0.009 g/l
Water solubility: 0.995 g/l
Annex
Results from1H NMR
sample ID |
sample name |
amount of the sample [g] |
amount of the internal standard [g] |
Integral of Silanol M3 |
Integral of the internal standard |
Silanol M3 [w%] |
378136 |
BW 1/24h1) |
1.1116 |
0.0474 |
0 |
100.0000 |
0 |
378137 |
Probe 1.1/24h |
0.9787 |
0.0489 |
11.1166 |
100.0000 |
0.095 |
378138 |
Probe 1.2/24h |
0.9932 |
0.0508 |
11.4323 |
100.0000 |
0.100 |
378139 |
BW 2/48h1) |
1.0440 |
0.0521 |
0 |
100.0000 |
0 |
378140 |
Probe 2.1/48h |
1.0274 |
0.0533 |
11.2032 |
100.0000 |
0.099 |
378141 |
Probe 2.2/48h |
1.0963 |
0.0492 |
12.7292 |
100.0000 |
0.098 |
378142 |
BW 3/72h1) |
1.0836 |
0.0486 |
0 |
100.0000 |
0 |
378143 |
Probe 3.1/72h |
1.1318 |
0.0497 |
12.9594 |
100.0000 |
0.097 |
378144 |
Probe 3.2/72h |
0.9806 |
0.0562 |
10.5220 |
100.0000 |
0.103 |
1) BW means blank
Description of key information
Trimethylsilanol: 995 mg/l at 20°C (flask method, OECD 105)
Key value for chemical safety assessment
- Water solubility:
- 995 mg/L
- at the temperature of:
- 20 °C
Additional information
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.