Ethyl chloride

  • Chloroethane
  • Monochloroethane
  • Aethylis
  • Chelen
  • Muriatic ether
Formula C2H5Cl
Structure
Description Colorless gas at normal temperature and pressure. Pungent, ether-like odor.
Uses Chemical intermediate.

Registry Numbers and Inventories.
CAS 75-00-3
EC (EINECS/ELINCS) 200-830-5
EC Index Number 602-009-00-0
EC Class Extremely flammable; Carcinogenic Category 3; Dangerous for the Environment
EC Risk Phrase R 12 40 52/53
EC Safety Phrase S 9 16 33 36/37 61
RTECS KH7525000
RTECS class Tumorigen; Drug; Mutagen; Reproductive Effector
UN (DOT) 1037
Merck 12,3829
Beilstein/Gmelin 1730751
Beilstein Reference 4-01-00-00124
RCRA K018
Swiss Giftliste 1 G-1171
Canada DSL/NDSL DSL
US TSCA Listed
Austrailia AICS Listed
New Zealand Listed
Japan ENCS (MITI) Listed
Korea ECL Listed

Odor Threshold Odor threshold 10-12 mg/m3 (recognition in air)
Properties.
Formula C2H5Cl
Formula mass 64.52
Melting point, °C -142
Boiling point, °C 12.3
Sublimation point, °C 519
Vapor pressure, mmHg 475 (0 C)
Vapor density (air=1) 2.22
Critical temperature 187
Critical pressure 52
Density 0.946 g/cm3 (0 C)
Solubility in water 6 g/L (20 C)
Viscosity 0.279 cp at 10C
Surface tension 19.5 g/s2 at 20 C
Refractive index 1.3676 (20C)
Dipole moment 1.74 D
Dielectric constant 1.01 (15 C)
Partition coefficient, pKow 1.43
Heat of fusion 4.5 kJ/mol
Heat of vaporization 25.3 kJ/mol
Heat of combustion -1428 kJ/mol

Hazards and Protection.
Storage Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator/flammables.
WHMIS A B1 D2A
Handling Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Ground and bond containers when transferring material. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. 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. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. A vapor suppressing foam may be used to reduce vapors.
Stability Stable under normal temperatures and pressures. Forms explosive mixtures with air (flash point -58F/-50C).
Incompatibilities Oxidizing agents, sodium, potassium, calcium, aluminum, zinc, magnesium.
Decomposition Hydrogen chloride, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, phosgene gas.

Fire.
Flash Point,°C -50
Autoignition, °C 519
Upper exp. limit, % 15.4
Lower exp. limit, % 3.6
Fire fighting Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Extremely flammable liquid. Containers may explode in the heat of a fire. Will be easily ignited by heat, sparks or flame. Extinguishing media: For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. For large fires, use water spray, fog, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. Water may be ineffective. Use agent most appropriate to extinguish fire. Do NOT use straight streams of water.
Fire potential Very flammable, combustion imminent.
Hazards Flashback along vapor trail may occur.
Combustion products Toxic and irritating gases are generated in fires.
NFPA Health 2
  Flammability 4  
  Reactivity 0  

Health.
Exposure limit(s) OSHA PEL: TWA 1000 ppm (2600 mg/m3) NIOSH REL: Handle with caution in the workplace. See Appendix C (Chloroethanes) NIOSH IDLH: 3800 ppm LEL
Carcinogin G-A3, CP65
Poison_Class 2
Exposure effects Possible risk of irreversible effects.
   Ingestion May cause irritation of the digestive tract.
   Inhalation May cause respiratory tract irritation. Vapors may cause dizziness or suffocation. Inhalation of vapors causes irritation of the mucous membranes.
   Skin May cause skin irritation.
   Eyes May cause eye irritation.

First aid		  
   Ingestion Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   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. Wash clothing before reuse.
   Eyes Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number 1037
Response guide 115
Hazard class 2.1
USCG CHRIS Code ECL  
USCG Compatatibility Group 36 Halogenated hydrocarbons
HS Code 2903 11 00  
Std. Transport # 4905712  
IMO Gas Code B