1-Methyl-2-pyrrolidinone (CAS 872-50-4) — formula C5H9NO, molecular weight 99.07 g/mol.
| CAS Number | 872-50-4 |
|---|---|
| Molecular Formula | C5H9NO |
| Molecular Weight | 99.07 g/mol |
| Melting Point | -9 °F (NTP, 1992) |
| Boiling Point | 396 °F at 760 mmHg (NTP, 1992) |
| LogP | -0.5 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
1-Methyl-2-pyrrolidinone is a chemical compound with CAS registry number 872-50-4 and molecular formula C5H9NO (molecular weight 99.07 g/mol).
CAS number: 872-50-4
Its molecular formula C5H9NO comprises 5 C, 9 H, 1 N, 1 O atoms.
Also known as: 1-Methyl-2-pyrrolidinone · 甲基吡咯烷酮 · Pharmasolve · N-methyl pyrrolidone
The CAS registry number of 1-Methyl-2-pyrrolidinone is 872-50-4.
Molecular formula C5H9NO, molecular weight 99.07 g/mol.
It is also registered under: 1-Methyl-2-pyrrolidinone, 甲基吡咯烷酮, Pharmasolve, N-methyl pyrrolidone.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 1-Methyl-2-pyrrolidinone (CAS 872-50-4), compiled from public chemistry databases.
| CAS Registry Number | 872-50-4 |
|---|---|
| PubChem CID | 13387 |
| Molecular formula | C5H9NO |
| Molecular weight | 99.07 g/mol |
| IUPAC name | 1-methylpyrrolidin-2-one |
| InChIKey | SECXISVLQFMRJM-UHFFFAOYSA-N |
| UNII (FDA) | JR9CE63FPM |
| ChEBI ID | CHEBI:7307 |
| Molecular Weight | 99.13 |
|---|---|
| XLogP3 | -0.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 99.068413911 |
| Monoisotopic Mass | 99.068413911 |
| Topological Polar Surface Area | 20.3 |
| Heavy Atom Count | 7 |
| Boiling Point | 396 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 202 °C at 760 mm Hg |
| Boiling Point | 202 °C |
| Boiling Point | 396 °F |
| Boiling Point | 202 °C @760 [mm Hg] |
| Melting Point | -9 °F (NTP, 1992) |
| Melting Point | -25 °C |
| Melting Point | -24.4 °C |
| Melting Point | -9 °F |
| Melting Point | -23.09 °C |
1-METHYL-2-PYRROLIDINONE; 872-50-4; N-Methyl-2-pyrrolidone; N-Methylpyrrolidone; N-Methyl-2-pyrrolidinone; Methylpyrrolidone; 1-Methyl-2-pyrrolidone; 1-Methylpyrrolidone; Methyl pyrrolidone; N-Methylpyrrolidinone; 1-Methylpyrrolidinone; n-methyl-pyrrolidone; 1-Methyl-5-pyrrolidinone; 2-Pyrrolidinone, 1-methyl-; 1-Methylazacyclopentan-2-one; N-Methyl-gamma-butyrolactam
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Surfactant |
|---|---|
| GHS notification summary | 0.1% (1 / 2679) |
| GHS notification summary | 0.1% (1 / 2679) |
|---|---|
| Reported hazard statements | H315, H319, H335, H360 (94.2%), H227, H336, H373, H361 |
H315: Causes skin irritation [Warning Skin corrosion/irritation]
H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
N-methyl pyrrolidone is identified by CAS 872-50-4, molecular formula C5H9NO and molecular weight 99.07 g/mol. UNII JR9CE63FPM; ChEBI 7307; InChIKey SECXISVLQFMRJM-UHFFFAOYSA-N. Boiling Point: 396 °F at 760 mmHg (NTP, 1992); Boiling Point: 202 °C at 760 mm Hg; Boiling Point: 202 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 甲基吡咯烷酮