Methylcyclohexane
Methylcyclohexane
CAS: 108-87-2
Molecular Formula: C7H14
Methylcyclohexane - Names and Identifiers
| Name | Methylcyclohexane |
| Synonyms | heptanaphthene Cyclohxylmethane Metylocykloheksan methyl-cyclohexan Methylcyclohexane methylecyclohexane Cyclohexane,methyl- Methylcyclohexane-d14 METHYLCYCLOHEXANE,REAGENT METHYLCYCLOHEXANE,OMNISOLV |
| CAS | 108-87-2 |
| EINECS | 203-624-3 |
| InChI | InChI=1/C7H14/c1-7-5-3-2-4-6-7/h7H,2-6H2,1H3 |
Methylcyclohexane - Physico-chemical Properties
| Molecular Formula | C7H14 |
| Molar Mass | 98.19 |
| Density | 0.77 g/mL at 25 °C (lit.) |
| Melting Point | -126 °C (lit.) |
| Boling Point | 101 °C (lit.) |
| Flash Point | 25°F |
| Water Solubility | 0.1 g/L (20 ºC) |
| Solubility | Miscible with acetone, benzene, ether, carbon tetrachloride, ethanol, insoluble in water. |
| Vapor Presure | 37 mm Hg ( 20 °C) |
| Vapor Density | 3.4 (vs air) |
| Appearance | Liquid |
| Color | Colorless |
| Exposure Limit | NIOSH REL: TWA 400 ppm (1,600 mg/m3), IDLH 1,200 ppm; OSHA PEL:TWA 500 ppm (2,000 mg/m3); ACGIH TLV: TWA 400 ppm (adopted). |
| Maximum wavelength(λmax) | ['λ: 207 nm Amax: 1.00', , 'λ: 221 nm Amax: 0.40', , 'λ: 232 nm Amax: 0.15', , 'λ: 26 |
| Merck | 14,6047 |
| BRN | 505972 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Very flammable. Incompatible with strong oxidizing agents. |
| Explosive Limit | 1.1-6.7%(V) |
| Refractive Index | n20/D 1.422(lit.) |
| Physical and Chemical Properties | Density 0.77 melting point -126.3°C boiling point 101°C refractive index 1.421-1.423 flash point -3°C water-soluble 0.1g/L (20°C) |
| Use | Is an important organic solvent and extraction agent, widely used in rubber, paint, grease and other industries, also used in organic synthesis |
Methylcyclohexane - Risk and Safety
| Risk Codes | R11 - Highly Flammable R38 - Irritating to the skin R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R65 - Harmful: May cause lung damage if swallowed R67 - Vapors may cause drowsiness and dizziness |
| Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S33 - Take precautionary measures against static discharges. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 2296 3/PG 2 |
| WGK Germany | 2 |
| RTECS | GV6125000 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | Yes |
| HS Code | 2902 19 00 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | Acute oral LD50 for mice 2,250 mg/kg (quoted, RTECS, 1985). |
Methylcyclohexane - Reference Information
Open Data Verified Data
| olfactory Threshold | 0.15ppm |
| Henry's Law Constant | 0.0678 at 25.0 °C (Ramachandran et al., 1996) |
| LogP | 3.88 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| environmentally friendly solvent | methyl cyclohexane, also known as cyclohexyl methane, is a colorless organic solvent and solvent, can partially replace benzene and ketones. It has a fragrant smell, low toxicity, and skin contact will cause redness, dryness and other phenomena. It is soluble in ethanol, ether, benzene, acetone, etc., insoluble in water, can be widely used in coatings, rubber, Varnish solvent (some solvent also use methyl cyclohexane), it can be used as a fat extraction agent and the like. Methyl cyclohexane can also be used in organic synthesis, as a solvent and analytical reagent. In addition, methylcyclohexane can also be used as a standard for calibration thermometers. Methyl cyclohexane has good stability, the storage needs to be sealed independent storage, the most easy to store in winter under low temperature conditions. |
| application field | methyl cyclohexane is an environmentally friendly coating, mainly used in solvents for ink, rubber, paint and varnish, oil extraction solvent, chromatographic analysis of standard substances, can also be used in organic synthesis, etc.; Do solvent and Analytical reagents. |
| Use | used as solvent for rubber, paint, varnish, oil extraction solvent, etc.; The product can also be used in organic synthesis; used as a standard for calibration thermometers. used as solvent and analytical reagent is an important organic solvent and extractant, widely used in rubber, paint, grease and other industries, also used in organic synthesis used as solvent, standard substances for chromatographic analysis, as well as standards for calibration thermometers, are also used in organic synthesis |
| production method | toluene was hydrogenated at 150 ° C. Under a pressure of about 11MPa for 5h, and relatively pure methylcyclohexane was added. When refining, it can be washed sequentially with concentrated sulfuric acid, water, 5% sodium hydroxide solution and water, dried with dehydrating agent, and finally distilled. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50:> 3200 mg/kg; Oral-mouse LD50:2250 mg/m3/24 h |
| stimulation data | Skin-rabbits were mild at 500 μl/24 h; eye-rabbit 100 μl/24 h mild |
| explosive hazard characteristics | explosive when mixed with air |
| 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, CO2, foam, 1211 extinguishing agent |
| Occupational Standard | TWA 1600 mg/m3; Tel 2000 mg/kg |
| spontaneous combustion temperature | 545 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-and health-threatening concentrations | 1,200 ppm [10% LEL] |
Last Update：2024-09-20 09:26:32
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