1,2-Dichloroethylene
- Acetylene dichloride
- Dioform
- 1,2-Dichloroethene
1,2-Dichloroethylene | |
| |
| Formula | ClCH=CHCl |
| Structure | |
| Description | Mobile liquid. Ethereal, slightly acrid. |
| Uses | Used as a solvent for waxes, resins, and acetylcellulose. It is also used in the extraction of rubber, as a refrigerant, in the manufacture of pharmaceuticals and artificial pearls and in the extraction of oils and fats from fish and meat. 1,2-Dichloroethylene. |
| Registry Numbers and Inventories. | |
| CAS | 540-59-0 |
| EC (EINECS/ELINCS) | 208-750-2 |
| EC Index Number | 602-026-00-3 |
| EC Class | Highly flammable; Harmful; Dangerous for the Environment |
| RTECS | KV9360000 |
| RTECS class | Mutagen; Primary Irritant |
| UN (DOT) | 1150 |
| Merck | 12,93 |
| Beilstein/Gmelin | 1719345 |
| Beilstein Reference | 2-01-00-00158 |
| RCRA | U079 |
| Swiss Giftliste 1 | G-1522 |
| Canada DSL/NDSL | NDSL |
| US TSCA | Listed |
| Austrailia AICS | Listed |
| New Zealand | Listed |
| Japan ENCS (MITI) | Listed |
| Properties. | |
| Formula | C2H2Cl2 |
| Formula mass | 96.94 |
| Boiling point, °C | 48 |
| Vapor pressure, mmHg | 333 (25 C) |
| Vapor density (air=1) | 3.34 |
| Density | 1.252 g/cm3 |
| Solubility in water | Insoluble |
| Surface tension | 24 g/s2 |
| Partition coefficient, pKow | 1.75 |
| Heat of vaporization | 27.9 kJ/mol |
| Heat of combustion | -1041 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. Flammables-area. |
| Handling | Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. |
| 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 | 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 | Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition. Use a spark-proof tool. |
| Stability | Stable under normal temperatures and pressures. |
| Incompatibilities | Oxidizing agents, bases. |
| Decomposition | Hydrogen chloride, carbon monoxide, carbon dioxide. |
| Fire. | ||||
| Flash Point,°C | 6 | |||
| Autoignition, °C | 460 | |||
| Upper exp. limit, % | 12.8 | |||
| Lower exp. limit, % | 9.7 | |||
| Fire fighting | Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. Extinguishing media: Use water spray to cool fire-exposed containers. In case of fire, use water fog, dry chemical, carbon dioxide, or regular foam. | |||
| Fire potential | Flammable, dangerous fire hazard. | |||
| Hazards | Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back. | |||
| Combustion products | Phosgene and hydrogen chloride fumes may form in fires. | |||
| NFPA | Health | 1 | ||
| Flammability | 3 | |||
| Reactivity | 2 | |||
| Health. | |
| Exposure limit(s) | TLV (as TWA): 200 ppm; 793 mg/m3 (ACGIH 1997). OSHA PEL: TWA 200 ppm (790 mg/m3) NIOSH REL: TWA 200 ppm (790 mg/m3) NIOSH IDLH: 1000 ppm |
| Poison_Class | 3 |
| Exposure effects | May affect the central nervous system at high levels, resulting in narcosis. |
| Ingestion | May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed. |
| Inhalation | May cause respiratory tract irritation. May cause narcotic effects in high concentration. |
| Skin | May cause skin irritation. |
| Eyes | May cause eye irritation. |
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. 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 | Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. |
| Eyes | Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Transport. | ||
| UN number | 1150 | |
| Response guide | 130 | |
| Hazard class | 3 | |
| Packing Group | II | |
| USCG CHRIS Code | DEL | |
| USCG Compatatibility Group | 36 Halogenated hydrocarbons | |
| Std. Transport # | 4963373 | |