Octane
- n-Octane
Octane | |
| |
| Formula | CH3(CH2)6CH3 |
| Structure | |
| Description | Colorless liquid, gasoline-like odor. |
| Uses | Chemical agent in petroleum industry, offers highly desirable blending values to achieve certain preferred antiknock & combustion qualities for high compression engine fuels. |
| Registry Numbers and Inventories. | |
| CAS | 111-65-9 |
| EC (EINECS/ELINCS) | 203-892-1 |
| EC Index Number | 601-009-00-8 |
| EC Class | Highly flammable; Harmful; Irritant; Vapours may cause drowsiness and dizziness; Dangerous for the Environment |
| EC Risk Phrase | R 11 38 50/53 65 67 |
| EC Safety Phrase | S 9 16 29 33 60 61 62 |
| RTECS | RG8400000 |
| RTECS class | Other |
| UN (DOT) | 1262 |
| Merck | 12,6847 |
| Beilstein/Gmelin | 1696875 |
| Beilstein Reference | 4-01-00-00412 |
| Swiss Giftliste 1 | G-2665 |
| Canada DSL/NDSL | DSL |
| US TSCA | Listed |
| Austrailia AICS | Listed |
| New Zealand | Listed |
| Japan ENCS (MITI) | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | C8H18 |
| Formula mass | 114.23 |
| Melting point, °C | -57 |
| Boiling point, °C | 126 |
| Vapor pressure, mmHg | 14 (25 C) |
| Vapor density (air=1) | 3.9 |
| Saturation Concentration | 1.44% (14,400 ppm) @ 25 C |
| Evaporization number | 1.4 (butyl acetate=1) |
| Critical temperature | 296 |
| Critical pressure | 24.8 |
| Density | 0.703 g/cm3 (20 C) |
| Solubility in water | Insoluble |
| Viscosity | 0.706 cp @ 0C |
| Surface tension | 21.80 g/s2 (in at 20 C) |
| Refractive index | 1.39764 (20 C) |
| Dielectric constant | 1.9 (20 C) |
| Partition coefficient, pKow | 5.18 |
| Heat of fusion | 20.75 kJ/mol |
| Heat of vaporization | 41.48 kJ/mol |
| Heat of combustion | -5474 kJ/mol |
| Hazards and Protection. | |
| Storage | Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
| WHMIS | B2 |
| Handling | Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Do not get in eyes, on skin, or on clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. 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 impervious gloves. Clothing: Wear appropriate protective clothing to prevent skin exposure. |
| Respirators | Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. |
| Small spills/leaks | Remove all sources of ignition. Absorb spill using an absorbent, non-combustible material such as earth, sand, or vermiculite. Provide ventilation. |
| Disposal code | 1 |
| Stability | Stable under normal temperatures and pressures. Forms explosive mixtures with air. |
| Incompatibilities | Oxidizing agents, coatings, plastics, rubber. |
| Decomposition | Carbon monoxide, carbon dioxide. |
| Fire. | ||||
| Flash Point,°C | 13 | |||
| Autoignition, °C | 210 | |||
| Upper exp. limit, % | 6.5 | |||
| Lower exp. limit, % | 0.8 | |||
| Fire fighting | Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Can release vapors that form explosive mixtures at temperatures above the flashpoint. Use water spray to keep fire-exposed containers cool. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. May accumulate static electrical charges, and may cause ignition of its own vapors. Extinguishing media: Use foam, dry chemical, or carbon dioxide. Water may be ineffective. Water may spread fire. | |||
| Fire potential | Dangerous, when exposed to heat, flame. | |||
| Hazards | Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back. | |||
| Combustion products | Toxic gases and vapors (such as carbon monoxide) may be released in a fire involving octane. | |||
| NFPA | Health | 1 | ||
| Flammability | 3 | |||
| Reactivity | 0 | |||
| Health. | |
| Exposure limit(s) | OSHA PEL: TWA 500 ppm (2350 mg/m3) NIOSH REL: TWA 75 ppm (350 mg/m3) C 385 ppm (1800 mg/m3) 15-minute NIOSH IDLH: 1000 ppm LEL |
| Poison_Class | 5 |
| Exposure effects | Prolonged or repeated skin contact may cause defatting and dermatitis. |
| Ingestion | Aspiration hazard. Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May cause central nervous system depression, characterized by excitement, followed by headache, dizziness, drowsiness, and nausea. Advanced stages may cause collapse, unconsciousness, coma and possible death due to respiratory failure. Aspiration of material into the lungs may cause chemical pneumonitis, which may be fatal. |
| Inhalation | Causes respiratory tract irritation. Irritation may lead to chemical pneumonitis and pulmonary edema. May cause narcotic effects in high concentration. Exposure produces central nervous system depression. |
| Skin | Causes skin irritation. May be absorbed through the skin in harmful amounts. Prolonged and/or repeated contact may cause defatting of the skin and dermatitis. |
| Eyes | Causes eye irritation. |
First aid |
|
| Ingestion | Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Possible aspiration hazard. Get medical aid immediately. |
| Inhalation | Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. |
| Skin | Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. 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 | 1262 | |
| Response guide | 128 | |
| Hazard class | 3 | |
| Packing Group | II | |
| USCG CHRIS Code | OAN | |
| USCG Compatatibility Group | 31 Paraffins | |
| HS Code | 2901 10 90 | |
| IMO Chemical Code | 17 | |
| IMO Pollution Category | C | |
| IMO Hazard code | P | |