Definition
US FDA substance register · UNII 897WUN6G6T · registered name SILVER OXIDE · single chemical substance
Cosmetic roles
Inhibits microbial growthANTIMICROBIAL
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 酸化銀: 本品は、銀（＊）の酸化物であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
SILVER OXIDEINCI실버옥사이드Korean label name (MFDS standard)Silver oxide (Ag2O)Synonym酸化銀Japanese labelling name
- CAS No.chemical registry number
- 155645-89-9
- CAS No.chemical registry number
- 20667-12-3
- EC No.EU chemical inventory number
- 215-098-2
- EC No.EU chemical inventory number
- 243-957-1
- DTXSIDUS EPA chemical ID
- DTXSID40893897
- DTXCIDUS EPA compound ID
- DTXCID601845451
- IUPAC
- Disilver(1+) oxide
- Molecular formula
- Ag2O
- Molecular weight
- 231.735 g/mol
What products actually use it for
What the 4 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.
- Surface modifier2
- Catalyst1
- Biocide1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
Classed as low3
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 3 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to EPA OPPTS 870.2600 (Skin Sensitisation) - Corrosive or Irritation Persists for > 21 days
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to
Source: US EPA CompTox dashboard
Related literature
- Computational insights into silver oxide nanoparticles on flow and Cattaneo-Christov heat flux through a Koo and Kleinstreuer model: A heat transfer application · 2025
- Harnessing the power of Neobacillus niacini AUMC-B524 for silver oxide nanoparticle synthesis: optimization, characterization, and bioactivity exploration · 2024
- Antioxidant, anti-inflammatory, and wound healing effects of topical silver-doped zinc oxide and silver oxide nanocomposites. · 2022
- Silver oxide nanoparticles synthesized by green method from Artocarpus Hetrophyllus for antibacterial and antimicrobial applications · 2020
- Novel electrochemical sensor for mononitrotoluenes using silver oxide quantum dots · 2019
Linked databases 16
- Australian Industrial Chemicals Inventory (AICIS)
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- MFDS (Korea) cosmetic ingredient register 2
- 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