Hexane
- n-Hexane
Hexane | |
| |
| Formula | CH3(CH2)4CH3 |
| Structure | |
| Description | Clear, colorless, fairly volatile liquid with a faint gasoline-like odor. |
| Uses | Determination of refractive index of minerals, filling for thermometers, solvent, laboratory reagent. |
| Registry Numbers and Inventories. | |
| CAS | 110-54-3 |
| EC (EINECS/ELINCS) | 203-777-6 |
| EC Index Number | 601-037-00-0 |
| EC Class | Highly flammable; Toxic for reproduction Category 3; Harmful; Irritant; Vapours may cause drowsiness and dizziness; Dangerous for the Environment |
| EC Risk Phrase | R 11 38 48/20 51/53 62 65 67 |
| EC Safety Phrase | S 9 16 29 33 36/37 61 62 |
| RTECS | MN9275000 |
| RTECS class | Tumorigen; Mutagen; Reproductive Effector; Human Data; Primary Irritant |
| UN (DOT) | 1208 |
| Merck | 13,4712 |
| Beilstein/Gmelin | 1730733 |
| Beilstein Reference | 4-01-00-00338 |
| Swiss Giftliste 1 | G-1685 |
| Canada DSL/NDSL | DSL |
| US TSCA | Listed |
| Austrailia AICS | Listed |
| New Zealand | Listed |
| Japan ENCS (MITI) | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | C6H14 |
| Formula mass | 86.18 |
| Melting point, °C | -94.3 |
| Boiling point, °C | 69 |
| Vapor pressure, mmHg | 150 (25 C) |
| Vapor density (air=1) | 3.0 |
| Saturation Concentration | 16.3% at 20 C |
| Evaporization number | 9 (butyl acetate=1) |
| Critical temperature | 234 |
| Critical pressure | 29.7 |
| Density | 0.65488 g/cm3 (25 C) |
| Solubility in water | 2 mg/L (20 C) |
| Viscosity | 0.372 cp (20 C) |
| Surface tension | 18.4 g/s2 (20 C) |
| Refractive index | 1.375 (20 C) |
| Dipole moment | 0 D |
| Dielectric constant | 1.8 (20 C) |
| Partition coefficient, pKow | 3.94 |
| Heat of fusion | 13.0 kJ/mol |
| Heat of vaporization | 32.6 kJ/mol |
| Heat of combustion | -4198 kJ/mol |
| Hazards and Protection. | |
| Storage | Keep away from heat and flame. Keep away from sources of ignition. Store in a tightly closed container. Keep from contact with oxidizing materials. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area. |
| WHMIS | B2 D2B |
| Handling | Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Ground and bond containers when transferring material. Avoid contact with eyes, skin, and clothing. Do not breathe dust, vapor, mist, or gas. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Take precautionary measures against static discharges. Avoid contact with heat, sparks and flame. Do not ingest or inhale. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. |
| Protection | Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. |
| Respirators | A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. |
| Small spills/leaks | Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Scoop up with a nonsparking tool, then place into a suitable container for disposal. Remove all sources of ignition. Provide ventilation. A vapor suppressing foam may be used to reduce vapors. |
| Disposal code | 1 |
| Stability | Stable under normal temperatures and pressures. |
| Incompatibilities | Strong acids, strong reducing agents, dinitrogen tetraoxide, magnesium perchlorate, fluorine, oxygen, peroxides, dichromates, caustics, halogens, liquid chlorine, Attacks some forms of plastics, rubbers, and coatings.. |
| Decomposition | Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
| Fire. | ||||
| Flash Point,°C | -23 | |||
| Autoignition, °C | 224 | |||
| Upper exp. limit, % | 7.7 | |||
| Lower exp. limit, % | 1.2 | |||
| Fire fighting | Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Use water spray to keep fire-exposed containers cool. Extremely flammable liquid. Water may be ineffective. Extinguishing media: For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. Water may be ineffective. Water may spread fire. If water is the only media available, use in flooding amounts. For large fires, use water spray, fog or alcohol resistant foam. | |||
| Fire potential | Flammable liquid and vapor. | |||
| Hazards | Material is lighter than water and a fire may be spread by the use of water. Will be easily ignited by heat, sparks or flame. Containers may explode if exposed to fire. | |||
| Combustion products | During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. | |||
| NFPA | Health | 1 | ||
| Flammability | 3 | |||
| Reactivity | 0 | |||
| Health. | |
| Exposure limit(s) | TLV (as TWA): 50 ppm; 176 mg/m3 (ACGIH 1992-1993). MAK: 50 ppm; 180 mg/m3; (1992). OSHA PEL: TWA 500 ppm (1800 mg/m3) NIOSH REL: TWA 50 ppm (180 mg/m3) NIOSH IDLH: 1100 ppm LEL |
| Poison_Class | 4 |
| Exposure effects | Prolonged or repeated skin contact may cause defatting and dermatitis. Prolonged or repeated exposure may cause adverse reproductive effects. May cause fetal effects. Chronic exposure may cause visual disturbances. Laboratory experiments have resulted in mutagenic effects. Repeated exposure may cause nervous system abnormalities with muscle weakness and damage, motor incoordination, and sensation disturbances. Chronic exposure produces peripheral neuropathy. |
| Ingestion | May produce abdominal pain, nausea. Aspiration into lungs can produce severe lung damage and is a medical emergency. Other symptoms expected to parallel inhalation. |
| Inhalation | Inhalation of vapors irritates the respiratory tract. Overexposure may cause lightheadedness, nausea, headache, and blurred vision. Greater exposure may cause muscle weakness, numbness of the extremities, unconsciousness and death. |
| Skin | Causes irritation with burning pain, itching, and redness. May cause blistering of the skin. Absorbed through the skin. |
| Eyes | Causes mild eye irritation. Causes redness and pain. May cause blurred vision, tearing, and conjunctivitis. |
First aid |
|
| Ingestion | If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Possible aspiration hazard. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. |
| Inhalation | Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask. |
| Skin | Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. |
| Eyes | Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Transport. | ||
| UN number | 1208 | |
| Response guide | 128 | |
| Hazard class | 3 | |
| Packing Group | II | |
| USCG CHRIS Code | HXA | |
| USCG Compatatibility Group | 31 Paraffins | |
| HS Code | 2901 10 90 | |
| Std. Transport # | 4908183 | |
| IMO Chemical Code | 17 | |
| IMO Pollution Category | C | |
| IMO Hazard code | P | |