2-Mercaptopyridine N-oxide sodium salt is a dihydropyridine.
Definition
US FDA substance register · UNII 6L3991491R · registered name PYRITHIONE SODIUM · single chemical substance
2-Mercaptopyridine N-oxide sodium salt is a dihydropyridine.
Source: PubChem
Cosmetic roles
Stops microbes growing in the productPRESERVATIVE
Safety & regulatory references
- Banned
- Argentina · ASEAN · Brazil · Canada · China · European Union · South Korea · Taiwan
Source: Health Canada Cosmetic Ingredient Hotlist · MFDS (Korea) cosmetic regulatory information
Health Canada Cosmetic Ingredient Hotlist · prohibited in cosmetics
Restriction II/369
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
SODIUM PYRITHIONEINCI소듐피리티온Korean label name (MFDS standard)
- CAS No.chemical registry number
- 15922-78-8
- EC No.EU chemical inventory number
- 240-062-8
- DTXSIDUS EPA chemical ID
- DTXSID6034920
- DTXCIDUS EPA compound ID
- DTXCID4014920
- IUPAC
- Sodium 2-sulfanylidenepyridin-1(2H)-olate
- Molecular formula
- C5H4NNaOS
- Molecular weight
- 149.14 g/mol
Measured properties
- Appearance
- CBI · Technical product is off-white solid, Formulated as liquid soluble concentrates, [Reference #1] 3811-73-2: Hygroscopic crystalline powder with a stench, [Alfa Aesar MSDS]
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 6 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.
- Biocide5
- Preservative1
Source: US EPA CompTox dashboard