CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Cyclopentene appears as a colorless liquid. Less dense than water and insoluble in water. Flash point below 0 °F. Vapors heavier than air. Inhalation of high concentrations may be narcotic. Used to make rubber and plastics. |
|---|---|
| Boiling Point | 112 °F at 760 mmHg (USCG, 1999) |
| Melting Point | -211 °F (USCG, 1999) |
| Flash Point | -30 °F (USCG, 1999) |
| Density | 0.774 (USCG, 1999) - Less dense than water; will float |
| Vapor Pressure | 380.0 [mmHg] |
| Kovats Retention Index | 543 552 552 557 553 560 561 550 557 557 559 560 561 562 554 554 565 558 564 560 548 556 543 554.6 557 581 555 544 554 540 548 545 550 558 555 555 |
| Chemical Classes | Other Classes -> Aliphatics, Unsaturated |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H225:Flammable liquids H304:Aspiration hazard H315:Skin corrosion/irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. P331:Do NOT induce vomiting. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
COMPUTED DESCRIPTORS
| Molecular Weight | 68.12 g/mol |
|---|---|
| XLogP3 | 1.9 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 68.062600255 g/mol |
| Monoisotopic Mass | 68.062600255 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 38 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Cyclopentene appears as a colorless liquid. Less dense than water and insoluble in water. Flash point below 0 °F. Vapors heavier than air. Inhalation of high concentrations may be narcotic. Used to make rubber and plastics.