Name | Cyclopentane |
Synonyms | Cyclopentan CYCLOPENTANE Cyclopentane PENTAMETHYLENE CYCLOPENTANE, FOR UV-SPECTROSCOPY CYCLOPENTANE REFERENCE SUBSTANCE FOR GAS CYCLOPENTANE, TECHNICALCYCLOPENTANE, TECHNICALCYCLOPENTANE, TECHNICAL |
CAS | 287-92-3 |
EINECS | 206-016-6 |
InChI | InChI=1/C5H10/c1-2-4-5-3-1/h1-5H2 |
Molecular Formula | C5H10 |
Molar Mass | 70.13 |
Density | 0.751 g/mL at 25 °C (lit.) |
Melting Point | -94 °C (lit.) |
Boling Point | 50 °C (lit.) |
Flash Point | −35°F |
Water Solubility | Miscible with ethanol, ether and acetone. Slightly miscible with water. |
Solubility | 0.156g/l insoluble |
Vapor Presure | 18.93 psi ( 55 °C) |
Vapor Density | ~2 (vs air) |
Appearance | Powder |
Color | White |
Odor | Like gasoline; mild, sweet. |
Exposure Limit | TLV-TWA 600 ppm (~1720 mg/m3)(ACGIH). |
Maximum wavelength(λmax) | ['λ: 198 nm Amax: 1.0', , 'λ: 210 nm Amax: 0.50', , 'λ: 220 nm Amax: 0.10', , 'λ: 240 |
Merck | 14,2741 |
BRN | 1900195 |
Storage Condition | Store below +30°C. |
Stability | Stable. Highly flammable. Note low flash point and wide explosion limits. Incompatible with strong oxidizing agents. Floats on water, water is of limited value in putting out fires involving it |
Explosive Limit | 1.5-8.7%(V) |
Refractive Index | n20/D 1.405(lit.) |
Physical and Chemical Properties | Colorless liquid, melting point -93.9 °c, boiling point 49.26 °c, relative density 0.7460(20/4 °c), refractive index 1.4068, flash point -37 °c. With alcohol, ether and other organic solvents miscible, insoluble in water. |
Use | Used to replace Freon widely used in refrigerators, freezer insulation materials and other hard PU Foam foaming agent |
Hazard Symbols | F - Flammable |
Risk Codes | R11 - Highly Flammable R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S29 - Do not empty into drains. S33 - Take precautionary measures against static discharges. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 1146 3/PG 2 |
WGK Germany | 1 |
RTECS | GY2390000 |
TSCA | Yes |
HS Code | 2902 19 00 |
Hazard Class | 3 |
Packing Group | II |
Toxicity | LC (2 hr in air) in mice: 110 mg/l (Lazarew) |