(R)-(+)-4-Hydroxy-2-pyrrolidinone
Also known as: (R)-4-Hydroxy-2-pyrrolidinone, (R)-4-Hydroxy-2-pyrrolidone, (4R)-4-Hydroxypyrrolidin-2-one, (4R)-4-hydroxy-2-pyrrolidinone, (R)-4-Hydroxypyrrolidin-2-one, (R)-beta-Hydroxy-gamma-butyrolactam, 2-Pyrrolidinone, 4-hydroxy-, (4R)-
(R)-(+)-4-Hydroxy-2-pyrrolidinone (CAS 22677-21-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H7NO2 and a molecular weight of 101.104 g/mol. Key properties include a melting point of 156-160ºC, a boiling point of 363.6±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 173.7±25.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22677-21-0
- Jingsj CID
- J-37254-3
- Molecular Formula
- C4H7NO2
- Molecular Weight
- 101.104 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156-160ºC |
|---|---|
| Boiling Point | 363.6±35.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 173.7±25.9 °C |
| Exact Mass | 101.047676 |
| PSA | 49.33000 |
| LogP | -2.55 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.513 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of (R)-(+)-4-Hydroxy-2-pyrrolidinone?
The CAS number of (R)-(+)-4-Hydroxy-2-pyrrolidinone is 22677-21-0.
What are the molecular formula and molecular weight of (R)-(+)-4-Hydroxy-2-pyrrolidinone?
(R)-(+)-4-Hydroxy-2-pyrrolidinone has molecular formula C4H7NO2 and molecular weight 101.104 g/mol.
Is (R)-(+)-4-Hydroxy-2-pyrrolidinone hazardous?
(R)-(+)-4-Hydroxy-2-pyrrolidinone has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of (R)-(+)-4-Hydroxy-2-pyrrolidinone?
For (R)-(+)-4-Hydroxy-2-pyrrolidinone, Upstream Products: Ethyl 4-chloro-3-hydroxybutanoate; Downstream Products: (R)-4-Amino-3-hydroxybutanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(R)-(+)-4-Hydroxy-2-pyrrolidinone (CAS 22677-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37254-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.