Product Details
maleic-anhydride.html">material/cyclohexane-0.html">Cyclohexane is produced via petroleum distillation or benzene hydrogenation, accounting for 0.5–1.0% of crude oil. It is a colorless liquid alkane widely used as a solvent and in adipic acid synthesis for nylon manufacturing. Cyclohexane is also formed by reforming long-chain hydrocarbons in petroleum fractions. Structurally, it features a puckered six-membered ring with C–C bond angles of 109.9° (tetrahedral angle). The molecule rapidly interconverts between two equivalent chair conformations via a higher-energy boat form. It is typically depicted as a hexagon.
Parameters
| Property | Value |
| Melting point | 4-7 °C (lit.) |
| Boiling point | 80.7 °C (lit.) |
| density | 0.779 g/mL at 25 °C (lit.) |
| vapor density | 2.9 (vs air) |
| vapor pressure | 168.8 mm Hg (37.7 °C) |
| refractive index | n20/D 1.426(lit.) |
| Fp | -1 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | ethanol: miscible(lit.) |
| form | Liquid |
| color | colorless |
| Odor | resembling benzene; mild, sweet, resembling chloroform. |
| Relative polarity | 0.006 |
| Odor Threshold | 2.5ppm |
| explosive limit | 1.2-8.3%(V) |
| Water Solubility | PRACTICALLY INSOLUBLE |
| FreezingPoint | 6.554℃ |
| λmax | λ: 210 nm Amax: ≤1.00; λ: 220 nm Amax: ≤0.50; λ: 230 nm Amax: ≤0.20; λ: 235 nm Amax: ≤0.10; λ: 240 nm Amax: ≤0.08; λ: 250 nm Amax: ≤0.03; λ: 255 nm Amax: ≤0.01 |
| Merck | 14,2723 |
| BRN | 1900225 |
| Henry's Law Constant | 1.03, 1.26, 1.40, 1.77, and 2.23 at 10, 15, 20, 25, and 30 °C; 0.54, 0.69, 0.82, 1.43, and 1.79 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C |
| Exposure limits | TLV-TWA 300 ppm (～1050 mg/m3); IDLH 10,000 ppm |
| Dielectric constant | 2.0（20℃） |
| Stability: | Volatile |
| Cosmetics Ingredients Functions | SOLVENT |
| InChIKey | XDTMQSROBMDMFD-UHFFFAOYSA-N |
| LogP | 3.44 at 20℃ |
| Surface tension | 25.06mN/m at 293.15K |
| CAS DataBase Reference | 110-82-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Cyclohexane(110-82-7) |
| EPA Substance Registry System | Cyclohexane (110-82-7) |
Safety Information
| Item | Details |
| Hazard Codes | F,Xn,N |
| Risk Statements | 11-38-50/53-65-67-20 |
| Safety Statements | 9-16-25-33-60-61-62 |
| RIDADR | UN 1145 3/PG 2 |
| OEB | A |
| OEL | TWA: 300 ppm (1050 mg/m3) |
| WGK Germany | 2 |
| RTECS | GU6300000 |
| F | 3-10 |
| Autoignition Temperature | 500 °F |
| TSCA | Yes |
| HS Code | 2902 11 00 |
| HazardClass | 3 |
| PackingGroup | II |
| Hazardous Substances Data | 110-82-7(Hazardous Substances Data) |
| Toxicity | LC in mice: ~60-70 mg/l air |
| IDLA | 1,300 ppm [10% LEL] |
Product Application of Cyclohexane CAS#110-82-7
Solvent for lacquers and resins; paint and varnish remover; extraction of essential oils. Used in analytical chemistry for molecular weight determination (cryoscopic constant 20.3). Applied in manufacturing adipic acid, benzene, cyclohexyl chloride, nitrocyclohexane, cyclohexanol, and cyclohexanone. Used in solid camp stove fuel and fungicidal formulations (mild fungicidal activity). Used for industrial recrystallization of steroids.
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Inventory: 2–3 working days; New production: 7–10 working days
