1, 2-Dichloroethane , CAS # 107-06-2
Standard Operating Procedure
This is an SOP template and is not complete until: 1) lab specific information is entered into the box below 2) lab specific protocol/procedure is added to the protocol/procedure section and
3) SOP has been signed and dated by the PI and relevant lab personnel.
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Laboratory Safety Manual and Chemical Hygiene Plan .
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Purpose
1,2-dichloroethane (also called ethylene dichloride) is a select carcinogen. It is commonly used for the production of vinyl chloride monomer and also as a synthesis building block. It can also be used as a degreaser and/or a paint remover.
Physical & Chemical Properties/Definition of Chemical Group
CAS#: 107-06-2
Class: Toxic, corrosive, highly flammable, carcinogen
Molecular Formula: C
2
H
4
Cl
2
Form (physical state): liquid
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1, 2-Dichloroethane , CAS # 107-06-2
Color: clear, colorless
Boiling point: 83 ºC
Potential Hazards/Toxicity
Ingestion: Accidental ingestion of the material may be harmful; animal experiments indicate that ingestion of less than 150 grams may be fatal or may produce serious damage to the health of the individual. Ingestion of 1,2-dichloroethane may cause nausea, vomiting, dizziness, incoherence, cyanosis, and in extreme cases, extensive hemorrhage colitis and multiple perivascular hemorrhages of the brain leading to death. Cases of fatal poisoning due to ingestion have been cited in the literature
[NIOSHTIC].
Eye exposure: May produce eye irritation in some persons and produce eye damage 24 hours or more after instillation. Severe inflammation may be expected with pain. 1,2-dichloroethane is capable of causing conjunctival and corneal clouding from repeated exposures.
Skin contact: The material may cause mild but significant inflammation of the skin either following direct contact or after a delay of some time. Repeated exposure can cause contact dermatitis which is characterized by redness, swelling and blistering. Skin contact with the material may damage the health of the individual; systemic effects may result following absorption. Entry into the blood-stream, though, for example, cuts, abrasions or lesions, may produce systemic injury with harmful effects.
Inhalation: The material can cause respiratory irritation in some persons. The body's response to such irritation can cause further lung damage. Vapors may cause drowsiness and dizziness and may be accompanied by narcosis, reduced alertness, loss of reflexes, lack of coordination and vertigo. Acute intoxication by halogenated aliphatic hydrocarbons appears to take place over two stages: signs of a reversible narcosis are evident in the first stage and in the second stage signs of injury to organs may become evident, a single organ alone is (almost) never involved. Depression of the central nervous system is the most outstanding effect of most halogenated aliphatic hydrocarbons. Inebriation and excitation, passing into narcosis, is a typical reaction.
Chronic health effects: Long-term exposure to respiratory irritants may result in disease of the airways involving difficult breathing and related systemic problems. There is ample evidence that this material can be regarded as being able to cause cancer in humans based on experiments and other information.
Limited evidence suggests that repeated or long-term occupational exposure may produce cumulative health effects involving organs or biochemical systems.
Personal Protective Equipment (PPE)
Respirator Protection
Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government
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1, 2-Dichloroethane , CAS # 107-06-2 standards such as NIOSH (US) or CEN (EU). Do not use a respirator instead of engineering controls unless such engineering controls are unavailable.
Respirators should be used only under any of the following circumstances:
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As a last line of defense (i.e., after engineering and administrative controls have been exhausted).
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When Permissible Exposure Limit (PEL) has exceeded or when there is a possibility that PEL will be exceeded.
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Regulations require the use of a respirator.
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An employer requires the use of a respirator.
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There is potential for harmful exposure due to an atmospheric contaminant (in the absence of
PEL)
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As PPE in the event of a chemical spill clean-up process
Lab personnel intending to use/wear a respirator mask must be trained and fit-tested by EH&S. This is a regulatory requirement.
Hand Protection
Handle with nitrile gloves.
NOTE: Consult with your preferred glove manufacturer to ensure that the gloves you plan on using are compatible with 1,2-Dichloroethane.
Refer to glove selection chart from the links below: http://www.ansellpro.com/download/Ansell_8thEditionChemicalResistanceGuide.pdf
OR http://www.allsafetyproducts.biz/page/74172
OR http://www.showabestglove.com/site/default.aspx
OR http://www.mapaglove.com/
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Wear chemical splash goggles and a face shield to protect from splash hazards and chemical vapors.
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Fire/flame resistant lab coat, preferably made from antistatic material.
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Full-length pants
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Closed-toe rubber or leather shoes
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1, 2-Dichloroethane , CAS # 107-06-2
Avoid contact with skin, eyes, and clothing. Wash hands before breaks and immediately after handling the product.
Engineering Controls
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. A fume hood should be used whenever possible.
First Aid Procedures
If inhaled
Move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Take victim immediately to hospital. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Special Handling and Storage Requirements
Precautions for safe handling
Avoid contact with skin and eyes. Avoid inhalation of vapor or mist. Use explosion-proof equipment.
Keep away from sources of ignition - No smoking. Take measures to prevent the build-up of electrostatic charge.
Conditions for safe storage
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Store away from heat sources and in a flame proof area.
Chemical Spill
Spill
– Assess the extent of danger. Help contaminated or injured persons. Evacuate the spill area.
Avoid breathing vapors. If possible, confine the spill to a small area using a spill kit or absorbent material. Keep others from entering contaminated area (e.g., use caution tape, barriers, etc.).
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1, 2-Dichloroethane , CAS # 107-06-2
Small (<1 L)
– If you have training, you may assist in the clean-up effort. Use appropriate personal protective equipment and clean-up material for chemical spilled. Double bag spill waste in clear plastic bags, label and take to the next chemical waste pick-up.
Large (>1 L)
– Contact EH&S for assistance at (480) 965-1823 for non-emergencies. For emergency situations Dial 911.
Chemical Spill on Body or Clothes
– Remove clothing and rinse body thoroughly in emergency shower for at least 15 minutes. Seek medical attention. Notify supervisor and EH&S immediately.
Chemical Splash Into Eyes
– Immediately rinse eyeball and inner surface of eyelid with water from the emergency eyewash station for 15 minutes by forcibly holding the eye open. Seek medical attention. Notify supervisor and EH&S immediately.
Medical Emergency Dial 911
Life Threatening emergency, After Hours, Weekends and Holidays – Dial 911 or go to the nearest emergency room.) Note: All Serious injuries must be reported to EH&S within 8 hours.
Non-Life Threatening Emergency – Go to the Occupational Health Facility (OHF). After hours go to the nearest emergency room. Note: All serious injuries must be reported to EH&S within 8 hours.
Needle stick/puncture exposure (as applicable to chemical handling procedure) – Wash the affected area with antiseptic soap and warm water for 15 minutes. For mucous membrane exposure, flush the affected area for 15 minutes using an eyewash station. Page the needle stick nurse \ and then enter your extension. After hours go to the nearest emergency room. Note: All needle stick/puncture exposures must be reported to EH&S within 8 hours.
Decontamination/Waste Disposal Procedure
Contaminated instruments and benches should be decontaminated with soap and water. All waste and contaminated disposables should be disposed of as hazardous waste according to the guidelines below
General hazardous waste disposal guidelines:
Label waste
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Attach a completed ASU Hazardous Waste tag to all waste containers as soon as the first drop of waste is added to the container.
Store waste
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Store hazardous waste in closed containers, in secondary containment and in a designated storage location.
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Double-bag dry waste using sealable transparent bags.
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Waste must be under the control of the person generating and disposing of it.
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1, 2-Dichloroethane , CAS # 107-06-2
Dispose of waste
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Dispose of regularly generated chemical waste within 90 days.
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Use EHS Assistant online hazardous waste pick-up request system.
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Contact ASU EH&S at (480) 965-1823 with questions.
Protocol / Procedure
Laboratory-specific procedures
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IMPORTANT NOTE: Any deviation from this SOP requires advance PI approval.
Documentation of Training
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Prior to conducting any work with this material, Principal Investigator or designee must provide to his/her laboratory personnel specific to the hazards involved in working with this substance, work area decontamination, and emergency procedures.
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The Principal Investigator must provide his/her laboratory personnel with a copy of this SOP and a copy of the MSDS provided by the manufacturer.
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The Principal Investigator must ensure that his/her laboratory personnel have attended appropriate/required laboratory safety training or refresher training within the last one year.
I have read and understand the content of this SOP.
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