Definition
Copper Usnate is the copper salt of Usnic Acid - C18H16O7 • Cu
Cosmetic roles
Inhibits microbial growthANTIMICROBIAL
Safety & regulatory references
- Banned
- South Korea
Source: MFDS (Korea) cosmetic regulatory information
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ウスニン酸銅: 本品は、ウスニン酸（＊）の銅塩である。
Source: JCIA labelling names (Japan)
Names & identifiers
COPPER USNATEINCI카퍼우스네이트Korean label name (MFDS standard)ウスニン酸銅Japanese labelling name
- CAS No.chemical registry number
- 94246-73-8
- EC No.EU chemical inventory number
- 304-146-9
- DTXSIDUS EPA chemical ID
- DTXSID60915929
- DTXCIDUS EPA compound ID
- DTXCID901436132
- IUPAC
- Copper(2+) 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-1-oxo-1,9b-dihydrodibenzo[b,d]furan-3-olate 4,8-diacetyl-1,7-dihydroxy-2,9a-dimethyl-9-oxo-9,9a-dihydrodibenzo[b,d]furan-3-olate (1/1/1)
- Molecular formula
- C36H30CuO14
- Molecular weight
- 750.168 g/mol
What products actually use it for
What the 1 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.
- Biocide1
Source: US EPA CompTox dashboard