Piracetam is an organonitrogen compound and an organooxygen compound.
Definition
Piracetam is an organonitrogen compound and an organooxygen compound. It is functionally related to an alpha-amino acid.
Source: PubChem
US FDA substance register · UNII ZH516LNZ10 · registered name Piracetam · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 7491-74-9
- EC No.EU chemical inventory number
- 231-312-7
- DTXSIDUS EPA chemical ID
- DTXSID5044491
- DTXCIDUS EPA compound ID
- DTXCID3024491
- IUPAC
- 2-(2-Oxopyrrolidin-1-yl)acetamide
- Molecular formula
- C6H10N2O2
- Molecular weight
- 142.158 g/mol
Measured properties
- Melting/freezing point
- 151.5~152.5 ℃
- Initial boiling point and range
- 350.82 ℃
- Vapour pressure
- 1.08E-5 ㎜Hg (25℃)
- Water solubility
- 83000 ㎎/ℓ (25℃)
- n-Octanol/water partition coefficient (Kow)
- -1.54
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)
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.
- Softener and conditioner1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 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 2 studies
- SkinIrr2
Skin Irritation · QSAR Predicted - SkinSens1
Skin Sensitization · QSAR Predicted
Source: US EPA CompTox dashboard
Related literature
- Effects of Choline-Rich Fermented Crescentia cujete on Blood Parameters, Superoxide Dismutase, and Cerebral Interleukin-6 in Rats after Induced Ischemic Stroke · 2025
- Possible piracetam-induced Raynaud's phenomenon in a male patient · 2020
- The "ART" of Facial Filler Injections: Avoid, Recognize and Treat Hyaluronic Acid-induced Complications. · 2020
- Saraswatarishta reverses neuronal injury in brain tissues of scopolamine-induced rat model · 2019
- Effect of piracetam and nimodipine on full‐thickness skin burns in rabbits · 2016
Linked databases 15
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem
- 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