Substance profile
N-vinyl-2-pyrrolidone
N-vinyl-2-pyrrolidone is a clear to light straw colored liquid.
01 · Identification
What N-vinyl-2-pyrrolidone is
N-vinyl-2-pyrrolidone is a clear to light straw colored liquid. Its molecular formula is C6H9NO and its molecular weight is 111.14 g/mol. It boils at 90 °C, melts at 13 °C, is soluble in water.
Under the GHS it carries the signal word Danger.
Other names for N-vinyl-2-pyrrolidone
- 1-vinyl-2-pyrrolidone
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H351 | Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H332 | Harmful if inhaled. |
| H312 | Harmful in contact with skin. |
| H302 | Harmful if swallowed. |
| H335 | May cause respiratory irritation. |
| H373 | May cause damage to organs <or state all organs affected, if known> through prolonged or repeated exposure <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H318 | Causes serious eye damage. |
Precautionary statements: P201, P260, P270, P271, P280, P301, P302, P304, P305, P308, P310, P312, P313, P314, P330, P338, P352
03 · Physical and chemical properties
N-vinyl-2-pyrrolidone properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 90 °C (194 °F) | OSHA | |
| 96 °C (204.8 °F) | at 14 mmHg (reduced pressure) | HSDB | |
| 91.5 °C (196.7 °F) | range, midpoint shown, at 9.7508 mmHg (reduced pressure) | ICSC | |
| Melting point | 13 °C (55.4 °F) | ICSC | |
| 13.89 °C (57 °F) | OSHA | ||
| Density | 1.04 g/cm³ | ICSC | |
| 1 g/cm³ | OSHA | ||
| 1.04 g/cm³ | at 24 °C | HSDB | |
| Solubility | Soluble in water and many organic solvents | HSDB | |
| Solubility in water: very good | ICSC | ||
| In water, 5.2X10+4 mg/L @ 25 °C | at 25 °C, Estimated | HSDB | |
| Vapor pressure | 0.09 mmHg | OSHA | |
| 0.09 mmHg | at 20 °C | ICSC | |
| 1.1e-11 mmHg | at 25 °C | HSDB | |
| Flash point | 100.5 °C (212.9 °F) | HSDB | |
| 95 °C (203 °F) | HSDB | ||
| 93 °C (199.4 °F) | ICSC | ||
| Autoignition temperature | 240 °C (464 °F) | HSDB | |
| 364 °C (687.2 °F) | ICSC | ||
| Lower explosive limit (LEL) | 1.4 % by volume | ICSC | |
| Explosion limits in air: 1.4-10.0 Vol. % | HSDB | ||
| Upper explosive limit (UEL) | 10 % by volume | ICSC | |
| Vapor density | 3.83 (air = 1) | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling N-vinyl-2-pyrrolidone
Incompatible materials
Heat develops during polymerization when mixed with acids.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check N-vinyl-2-pyrrolidone in the storage compatibility matrix →