2-acetylpyrazine is a pyrazine that is substituted by an acetyl group at position 2.
Definition
US FDA substance register · UNII GR391IBU5C · registered name 2-ACETYLPYRAZINE · single chemical substance
2-acetylpyrazine is a pyrazine that is substituted by an acetyl group at position 2. It has been identified as one of the volatile flavor constituents in popcorn, bread crust, vinegar, and potato snacks. It has a role as a flavouring agent. It is a member of pyrazines and an aromatic ketone.
Source: PubChem
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
Names & identifiers
- CAS No.chemical registry number
- 22047-25-2
- EC No.EU chemical inventory number
- 244-753-5
- DTXSIDUS EPA chemical ID
- DTXSID5047085
- DTXCIDUS EPA compound ID
- DTXCID3027085
- IUPAC
- 1-(Pyrazin-2-yl)ethan-1-one
- Molecular formula
- C6H6N2O
- Molecular weight
- 122.127 g/mol
Measured properties
- Appearance
- Solid · colourless to pale yellow crystals with a nutty, popcorn, breadcrust odour
- Boiling point
- 188 °C
- Melting point
- 75 - 77 °C
- Solubility
- slightly soluble in water, soluble in organic solvents · moderately soluble (in ethanol)
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 14 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.
- Fragrance12
- Flavouring and nutrient2
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
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 1 studies
- SkinSens1
Skin Sensitization · QSAR Predicted
Source: US EPA CompTox dashboard
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- NIST Chemistry WebBook
- PubChem 2
- 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 · English · Japanese · Chinese