Also known as: 2-Pyrrolidinone, 1-octyl-, N-(N-Octyl)-2-pyrrolidinone, N-Octyl-2-pyrrolidinone, NOctylbutyrolactam, N-n-Octyl-2-pyrrolidone (+4 more)
CAS 2687-94-7
1-Octyl-2-pyrrolidone (CAS 2687-94-7) is a chemical substance with GHS signal word Danger; key hazard signal: H314; H411. Key regulatory status: REACH registered, 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from ECHA CLP, EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
1-Octyl-2-pyrrolidone is classified GHS Danger (H314, H411) in the chemicals database but is restricted in EU cosmetics.
CAS, identifiers, formula, and alternate names for the matched substance record.
EU harmonized hazard classification, hazard statements, pictograms, and signal word.
| Hazard Class | H-Statements | Pictograms | Signal |
|---|---|---|---|
| Skin Corr. 1B; Aquatic Chronic 2 | H314; H411 | GHS05; GHS09 | Danger |
Industrial and product-use categories associated with this substance.
Inventory, screening, and regulatory list matches from public chemical databases.
| List | Keyword | Source |
|---|---|---|
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
| SCIL (9/2019) | USEPA | Safer Chemical Ingredients List |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =17.45 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| =18.52 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| N8YJ26SB8V | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| N8YJ26SB8V | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| N8YJ26SB8V | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| N8YJ26SB8V | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| =2050 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| - | unitless | Model Score | - | - | NTP_ICE_endocrine |
Showing 8 of 8 studies
Registration status from the ECHA REACH registered substances database.
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | N-(n-octyl)-2-pyrrolidinone | 403-700-8 | ECHA overview → |
Australian industrial chemicals inventory status and applicable conditions.
Same-CAS cosmetic ingredient record for cross-vertical context.
Same-CAS pharmaceutical records from drug and bioactivity sources.
1-Octyl-2-pyrrolidone (CAS 2687-94-7) is classified under EU CLP Annex VI as Skin Corr. 1B; Aquatic Chronic 2 with signal word Danger. Hazard statements: H314; H411. Source: EU CLP Annex VI (ECHA).
1-Octyl-2-pyrrolidone has 8 NOAEL studies in the database. The lowest reported value is 17.45 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
1-Octyl-2-pyrrolidone appears on 2 regulatory/inventory lists including inert_ingredient; non_food_use; Pesticides, SCIL (9/2019). Source: EPA CPDat.
Yes, 1-Octyl-2-pyrrolidone is also indexed as a cosmetic ingredient under the name Caprylyl Pyrrolidone. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Safety data is sourced from ECHA CLP Annex VI, EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.
1-Octyl-2-pyrrolidone is classified GHS Danger (H314, H411) in the chemicals database but is restricted in EU cosmetics.
1-Octyl-2-pyrrolidone also appears in cosmetics, pharmaceutical databases.