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Cyclohexane CAS#110-82-7
CAS Number: 110-82-7
Chemical Formula:C6H12
Synonyms:
CYCLOHEXANE-205;
NAPHTHENE;
HEXAHYDROBENZENE
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: Transparent Liquid
Cyclohexane CAS#110-82-7
Cyclohexane is obtained by the distillation of petroleum or by hydrogenation of benzene. It constitutes 0.5–1.0% of petroleum. A colorless liquid alkane that is commonly used as a solvent and in the production of hexanedioic acid (adipic acid) for the manufacture of nylon. Cyclohexane, itself, is manufactured by the reformation of longer chain hydrocarbons present in crude-oil fractions. It is also interesting from a structural point of view, existing as a ‘puckered’ six-membered ring, having all bonds between carbon atoms at 109.9° (the tetrahedral angle). The molecule undergoes rapid interconversion between two ‘chair-like’ CONFORMATIONS, which are energetically equivalent, passing through a ‘boat-like’ structure of higher energy. It is commonly represented by a hexagon.
| Cyclohexane Chemical Properties |
| 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 | n |
| 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, respectively (EPICS, Ashworth et al., 1988) 0.54, 0.69, 0.82, 1.43, and 1.79 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C, respectively (Dewulf et al.,1999) |
| Exposure limits | TLV-TWA 300 ppm (～1050 mg/m3) (ACGIH, OSHA, and NIOSH); IDLH 10,000 ppm (NIOSH). |
| 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 |
| 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 (Lazarew) |
| IDLA | 1,300 ppm [10% LEL] |
Product Application of Cyclohexane CAS#110-82-7
Solvent for lacquers and resins. Paint and varnish remover. In the extraction of essential oils. In analytical chemistry for mol wt determinations (cryoscopic constant 20.3). In the manufacture of adipic acid, benzene, cyclohexyl chloride, nitrocyclohexane, cyclohexanol and cyclohexanone. In the manufacture of solid fuel for camp stoves. In fungicidal formulations (possesses slight fungicidal action). In the industrial recrystallization of steroids.
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