Thorium Dioxide can cause cancer according to California Labor Code.
Definition
Thorium Dioxide can cause cancer according to California Labor Code.
Source: PubChem
US FDA substance register · UNII 9XA7X17UQC · registered name THORIUM DIOXIDE · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 酸化トリウム: 本品は、次の化学式で表される無機の酸化物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 1314-20-1
- EC No.EU chemical inventory number
- 215-225-1
- DTXSIDUS EPA chemical ID
- DTXSID0051657
- DTXCIDUS EPA compound ID
- DTXCID101386339
- IUPAC
- Thorium(4+) dioxide
- Molecular formula
- O2Th
- Molecular weight
- 264.036 g/mol
Measured properties
- Appearance
- Thorium oxide, [radioactive material, low specific activity] is a white powder. Density 9.7 g / cm3. Not soluble in water. Used in high-temperature ceramics, gas mantles, nuclear fuel, flame spraying, crucibles, non-silicia optical glass, catalysis, filaments in incandescent lamps, cathodes in electron tubes and arc-melting electrodes. · White powder, [CAMEO]
- Boiling point
- 4400 °C
- Melting point
- 3390 °C
- Solubility
- Insoluble in water, alkalies, slightly soluble in acid · Soluble in hot sulfuric acid, insoluble in water
- Density
- 10.0 · X-ray density: 10.001 g/cu m at 25 °C
- Colour
- white
- Melting/freezing point
- 3390 ℃
- Initial boiling point and range
- 4400 ℃
- Vapour density
- 9.11
- Relative density
- 10.0
- Molecular weight
- 264.04
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 2 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Softener and conditioner1
- Binder1
Source: US EPA CompTox dashboard
Related literature
- Chronic Alpha-Irradiation of the Nervous System from Thorium Dioxide · 2004
- Chronic alpha-irradiation of the nervous system from thorium dioxide. · 2004
- [Angiosarcoma (hemangiosarcoma) cordis]. · 2003
- Cutaneous Thorotrast granulomas and chronic lymphocytic leukemia following Thorotrast angiography. · 1985
- [Delayed rejection of skin transplants following injection of thorium dioxide in mice]. · 1969
Linked databases 17
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- US National Toxicology Program reports
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese