Methylcyclopentane
Methylcyclopentane
CAS: 96-37-7
Molecular Formula: C6H12
Methylcyclopentane - Names and Identifiers
| Name | Methylcyclopentane |
| Synonyms | UN2298 HSDB 876 NSC 24836 CCRIS 6058 BRN 1900214 Methylcyclopentane Methyl cyclopentane Methylpentamethylene 3-Methylcyclopentane 1-Methylcyclopentane Cyclopentane, methyl- METHYLCYCLOPENTANE, STANDARD FOR GC 4-05-00-00084 (Beilstein Handbook Reference) Methylcyclopentane [UN2298] [Flammable liquid] |
| CAS | 96-37-7 |
| EINECS | 202-503-2 |
| InChI | InChI=1/C6H12/c1-3-5-6-4-2/h4H,1,3,5-6H2,2H3 |
Methylcyclopentane - Physico-chemical Properties
| Molecular Formula | C6H12 |
| Molar Mass | 84.16 |
| Density | 0.749g/mLat 25°C(lit.) |
| Melting Point | -142.4 °C |
| Boling Point | 72°C(lit.) |
| Flash Point | −11°F |
| Water Solubility | 41.8mg/L(25 ºC) |
| Solubility | In methanol, g/L: 380 at 5 °C, 415 at 10 °C, 500 at 15 °C, 595 at 20 °C, 740 at 25 °C, 1,100 at 30°C. Miscible at higher temperatures (Kiser et al., 1961). |
| Vapor Presure | 232.8 mm Hg ( 37.7 °C) |
| Appearance | Adhering Crystals |
| Color | White |
| Odor | Like gasoline. |
| BRN | 1900214 |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 8.35% |
| Refractive Index | n20/D 1.409(lit.) |
| Physical and Chemical Properties | Colorless transparent liquid. Melting point is -142.5 ℃, boiling point is 71.82 ℃, relative density is 0.7486(20/4 ℃), refractive index is 1.4097, flash point is -23 ℃. Easily soluble in ether, miscible with alcohol and benzene, insoluble in water. |
| Use | Used as standard substance for chromatographic analysis |
Methylcyclopentane - Risk and Safety
| Risk Codes | R11 - Highly Flammable R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R65 - Harmful: May cause lung damage if swallowed |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S33 - Take precautionary measures against static discharges. S36 - Wear suitable protective clothing. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 2298 3/PG 2 |
| WGK Germany | 3 |
| RTECS | GY4640000 |
| TSCA | Yes |
| HS Code | 2902 19 00 |
| Hazard Class | 3 |
| Packing Group | II |
Methylcyclopentane - Reference Information
| olfactory Threshold | 1.7ppm |
| Henry's Law Constant | 0.362 atm?m3/mol at 25 °C (Hine and Mookerjee, 1975) |
| LogP | 3.37 at 20℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | This product can dissolve resin, wax, asphalt, rubber and drying oil, and is used as an organic solvent. This product is also a reference substance for gas chromatography. The product is a Class I flammable liquid. used as standard substance for chromatographic analysis |
| production method | Methylcyclopentane is mainly present in industrial hexane, and the content is about 5%. However, because its boiling point is close to the boiling point of n-hexane (68.74 ℃), it is difficult to completely separate it by General distillation method. Therefore, the azeotropic distillation method with methanol is adopted, methylcyclopentane with a purity of more than 99% can be obtained. |
| category | flammable liquid |
| toxicity grade | low toxicity |
| Acute toxicity | inhalation-rat LCL0: 95000 mg/m3 |
| flammability hazard characteristics | in case of open flame, high temperature, flammable oxidant; Combustion stimulus smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from oxidants and acids |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| spontaneous combustion temperature | 624 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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