CHEMICAL SUBSTANCE DATASHEET
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CHEMICAL SUBSTANCE IDENTIFICATION |
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Chemical name |
Scandium hydroxide |
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Synonyms |
Scandium trihydroxide |
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IUPAC name |
scandium(3+);trihydroxide [1] |
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CAS No |
17674-34-9 |
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REACH registration number |
on EC list ( REACH pre-registration) |
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EC No |
241-658-0 |
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Molecular formula |
H3O3Sc |
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Substance group/chemical family |
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Appearance Physical state Odour Form Colour |
powder [4]
white [4] |
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USES AND HANDLING ISSUES |
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Relevant identified uses |
Scandium Hydroxide is applied in optical coating, catalyst, electronic ceramics and laser industry. [4] |
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Handling considerations |
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PHYSICO-CHEMICAL PROPERTIES |
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Molecular weight |
95.977 g/mol [1] |
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Bulk density/Specific gravity |
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pH |
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Particle size |
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EC |
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Melting point |
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Boiling point |
100 °C at 760 mmHg [3] |
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Flash point |
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Flammability |
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Vapour density |
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Vapour pressure |
24.5 mmHg at 25°C [3] |
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Solubility in water |
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Solubility in organic solvents |
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Solubility in inorganic solvents |
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Hydrolysis |
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Ionicity in water |
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Surface tension |
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Dispersion properties |
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Specific surface |
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Stability and reactivity |
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Chemical stability |
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Reactivity hazards |
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Corrosivity |
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Polimerization |
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Incompatibility with various substances |
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Special remarks on reactivity |
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Physical, chemical and biological coefficient |
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Koc |
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Kow |
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pKa |
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log Kp |
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Henry-constant |
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ENVIRONMENTAL FATE AND BEHAVIOUR |
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Artificial pollution sources |
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General terrestrial fate |
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General aquatic fate |
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General atmospheric fate |
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General persistence and degradability |
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Abiotic degradation and metabolites |
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Biodegradation and metabolites |
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Bioconcentration |
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Volatilization |
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Photolysis |
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Hydrolysis |
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Soil adsorption and mobility |
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ENVIRONMENTAL CONCENTRATIONS |
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Measured data |
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ECOTOXICOLOGICAL INFORMATION |
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General adverse effects on ecosystem |
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Acute toxicity (LC50, EC50) |
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Aquatic systems |
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Terrestrial systems |
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Chronic toxicity (NOEC, LOEC) |
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Aquatic systems |
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Terrestrial systems |
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HUMAN HEALTH EFFECTS and PROTECTION |
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Routes of human exposures |
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General effects |
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Endocrine disruption |
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Mutagenicity |
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Carcinogenicity |
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Reprotoxicity |
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Teratogenicity |
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Skin, eye and respiratory irritations |
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Metabolism: absorption, distribution & excretion |
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Exposure limits |
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Drinking water MAC |
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Other information |
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Animal toxicity data |
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Acute toxicity (LD50) |
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Chronic toxicity (NOEL, LOEL) |
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ENVIRONMENTAL STANDARDS AND REGULATIONS |
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EINECS regulation |
̵ |
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OSHA regulations etc. |
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OTHER INFORMATION, SPECIAL REMARKS |
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Classification and proposed labelling with regard to toxicological data |
According to the majority of notifications provided by companies to ECHA in CLP notifications no hazards have been classified. [2] |
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CREATED, LAST UPDATE |
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Created |
2018. 10. 30. |
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Last update |
2018. 10. 31. |
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REFERENCES |
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[1] Pubchem https://pubchem.ncbi.nlm.nih.gov/compound/Scandium_hydroxide#section=3D-Status, Accessed 2018.10.30 [2]ECHA, Substance information, Scandium trihydroxide, https://echa.europa.eu/substance-information/-/substanceinfo/100.037.855, Accessed 2018.10.30 [3]LookChem, Scandium hydroxide https://www.lookchem.com/Scandium-hydroxide/, Accessed 2018.10.30 [4] Prochem, Scandium hydroxide. http://www.prichem.com/product/scandium-hydroxide.htm, Accessed 2018.10.30 |
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