Definition
US FDA substance register · UNII 940E10M08M · registered name TUNGSTEN TRIOXIDE · single chemical substance
Cosmetic roles
Reduces body odourDEODORANTScrubs physicallyABRASIVE
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 酸化タングステン: 本品は、次の化学式で表される無機化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
TUNGSTEN OXIDEINCITungsten oxide (WO3)Synonym酸化タングステンJapanese labelling name
- CAS No.chemical registry number
- 1314-35-8
- DTXSIDUS EPA chemical ID
- DTXSID7032262
- DTXCIDUS EPA compound ID
- DTXCID5012262
- IUPAC
- Tris(oxido)tungsten
- Molecular formula
- O3W
- Molecular weight
- 231.84 g/mol
Measured properties
- Melting/freezing point
- 1472 ℃
- Initial boiling point and range
- 1837 ℃(1 Bar)
- Vapour density
- 7.21~7.3 g/㎤
- Relative density
- 7.2
- Molecular weight
- 231.85
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: KOSHA safety data sheets (Korea)
Irritation and sensitisation studies
4 skin studies and 2 eye studies are on record.
Classed as low2
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 6 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to - Classification not possible
Skin Irritation · Screening - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation) - Classification not possible
Skin Sensitization · Screening - Classification not possible
Eye Irritation · Screening - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to
Source: US EPA CompTox dashboard
Related literature
- Exploring the Antiviral Potential of Tungsten Oxide Nanoparticles Against Herpes Simplex Virus Type 1: A Promising Alternative to Acyclovir · 2026
- Crystallization-Tuned Polymeric Phase-Change Fibers with High Encapsulation Efficiency and Stability for Smart Thermal Managements. · 2026
- Effective detection of acetone gas molecules using PLD deposited tungsten oxide microwires for biomedical applications · 2025
- Effective detection of acetone gas molecules using PLD deposited tungsten oxide microwires for biomedical applications · 2025
- Kinetic Study of Sodium Dodecylsulfate Degradation by Solar Heterogeneous Photocatalysis Based on Tungsten Oxide · 2024
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- 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)
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese