SAFETY DATA SHEET ETHYLENE, COMPRESSED 1.2 RELEVANT IDENTIFIED USES OF THE SUBSTANCE OR MIXTURE AND USES ADVISED AGAINST :

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1 PAGE NO. 1 of 18 1 PRODUCT AND COMPANY IDENTIFICATION 1.1 PRODUCT IDENTIFIER : PRODUCT NAME Ethylene SYNONYMS Ethene; Ethene (ethylene); impure; ethylene, pure CAS NUMBER CHEMICAL FORMULA C2H4 1.2 RELEVANT IDENTIFIED USES OF THE SUBSTANCE OR MIXTURE AND USES ADVISED AGAINST : RELEVANT IDENTIFIED USES Synthetic/Analytical chemistry USES ADVISED AGAINST 1.3 DETAILS OF THE SUPPLIER : COMPANY IDENTIFICATION Sharjah Oxygen Company 1.4 EMERGENCY TELEPHONE NUMBER : EMERGENCY PHONE NUMBER(S) HAZARD(S) IDENTIFICATION 2.1 CLASSIFICATION OF SUBSTANCE OR MIXTURE : FLAMMABLE GASES - Category 1 GASES UNDER PRESSURE - Liquefied gas SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) (Narcotic effects) - Category 3

2 PAGE NO. 2 of LABEL ELEMENTS : LABELING PICTOGRAMS SIGNAL WORD Danger HAZARD STATEMENT PRECAUTIONARY STATEMENT 2.3 OTHER HAZARDS : Extremely flammable gas. May form explosive mixtures with air. Contains gas under pressure; may explode if heated. May cause frostbite. May displace oxygen and cause rapid suffocation. May cause drowsiness and dizziness. Read and follow all Safety Data Sheets (SDS S) before use. Read label before use. Keep out of reach of children. If medical advice is needed, have product container or label at hand. Close valve after each use and when empty. Use equipment rated for cylinder pressure. Do not open valve until connected to equipment prepared for use. Use a back flow preventative device in the piping. Use only equipment of compatible materials of construction. Always keep container in upright position. Approach suspected leak area with caution. Liquid can cause burns similar to frostbite 3 COMPOSITION/INFORMATION ON INGREDIENTS 3.1 SUBSTANCES : CHEMICAL IDENTITY OF THE SUBSTANCE Substance

3 PAGE NO. 3 of COMMON NAME(S)/ SYNONYM(S) Ethene; Ethene (ethylene); impure; ethylene, pure CAS NO IMPURITIES AND STABILIZING ADDITIVES WHICH ARE THEMSELVES CLASSIFIED AND WHICH CONTRIBUTE TO THE CLASSIFICATION OF THE SUBSTANCE There are no additional ingredients present which, within the current knowledge of the supplier and in the concentrations applicable, are classified as hazardous to health or the environment and hence require reporting in this section. 3.2 MIXTURES : Ethylene: 100% 4 FIRST AID MEASURES 4.1 DESCRIPTION OF FIRST AID MEASURES : INHALATION SKIN CONTACT Remove victim to fresh air and keep at rest in a position comfortable for breathing. If it is suspected that fumes are still present, the rescuer should wear an appropriate mask or self-contained breathing apparatus. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or oxygen by trained personnel. It may be dangerous to the person providing aid to give mouth-tomouth resuscitation. Get medical attention. If necessary, call a poison center or physician. If unconscious, place in recovery position and get medical attention immediately. Maintain an open airway. Loosen tight clothing such as a collar, tie, belt or waistband. Flush contaminated skin with plenty of water. Remove contaminated clothing and shoes. To avoid the risk of static discharges and gas ignition, soak

4 PAGE NO. 4 of EYE CONTACT INGESTION contaminated clothing thoroughly with water before removing it. Get medical attention if symptoms occur. In case of contact with liquid, warm frozen tissues slowly with lukewarm water and get medical attention. Do not rub affected area. Wash clothing before reuse. Clean shoes thoroughly before reuse. Immediately flush eyes with plenty of water, occasionally lifting the upper and lower eyelids. Check for and remove any contact lenses. Continue to rinse for at least 10 minutes. Get medical attention if irritation occurs. Remove victim to fresh air and keep at rest in a position comfortable for breathing. Get medical attention. If necessary, call a poison center or physician. Ingestion of liquid can cause burns similar to frostbite. If frostbite occurs, get medical attention. Never give anything by mouth to an unconscious person. If unconscious, place in recovery position and get medical attention immediately. Maintain an open airway. Loosen tight clothing such as a collar, tie, belt or waistband. As this product rapidly becomes a gas when released, refer to the inhalation section. 4.2 MOST IMPORTANT SYMPTOMS AND EFFECTS BOTH ACUTE AND DELAYED : ACUTE SYMPTOMS AND EFFECTS Eye contact: Liquid can cause burns similar to frostbite. Inhalation: Can cause central nervous system (CNS) depression. May cause drowsiness and dizziness. Skin contact: Dermal contact with rapidly evaporating liquid could result in freezing of the tissues or frostbite. Frostbite: Try to warm up the frozen tissues and seek medical attention. Ingestion: Can cause central nervous system (CNS) depression. Ingestion of liquid can cause burns similar to frostbite.

5 PAGE NO. 5 of DELAYED SYMPTOMS AND EFFECTS In high concentrations may cause asphyxiation. Symptoms may include loss of mobility/consciousness. Victim may not be aware of asphyxiation. In low concentrations may cause narcotic effects. Symptoms may include dizziness, headache, nausea and loss of co-ordination. 4.3 INDICATION OF ANY IMMEDIATE MEDICAL ATTENTION AND SPECIAL TREATMENT NEEDED : Treat symptomatically. Contact poison treatment specialist immediately if large quantities have been ingested or inhaled. 5 FIRE FIGHTING MEASURES 5.1 EXTINGUISHING MEDIA : SUITABLE EXTINGUISHING MEDIA UNSUITABLE EXTINGUISHING MEDIA Use an extinguishing agent suitable for the surrounding fire. None known. 5.2 SPECIFIC HAZARDS ARISING FROM THE CHEMICAL : DURING FIRE Contains gas under pressure. Extremely flammable gas. In a fire or if heated, a pressure increase will occur and the container may burst, with the risk of a subsequent explosion DURING EXPLOSION DURING REACTIVITY 5.3 ADVICE FOR FIRE FIGHTERS : FIRE FIGHTING INSTRUCTIONS Promptly isolate the scene by removing all persons from the vicinity of the incident if there is a fire. No action shall be taken involving any personal risk or without suitable training. Contact supplier

6 PAGE NO. 6 of PROTECTION DURING FIRE FIGHTING SPECIAL PROTECTIVE EQUIPMENT FOR FIRE FIGHTERS immediately for specialist advice. Move containers from fire area if this can be done without risk. Use water spray to keep fireexposed containers cool. If involved in fire, shut off flow immediately if it can be done without risk. If this is impossible, withdraw from area and allow fire to burn. Fight fire from protected location or maximum possible distance. Eliminate all ignition sources if safe to do so. Fire-fighters should wear appropriate protective equipment and self-contained breathing apparatus (SCBA) with a full facepiece operated in positive pressure mode. For incidents involving large quantities, thermally insulated undergarments and thick textile or leather gloves should be worn. 6 ACCIDENTAL RELEASE MEASURES 6.1 PERSONAL PRECAUTIONS, PROTECTIVE EQUIPMENT AND EMERGENCY PROCEDURES : GENERAL MEASURES PROTECTIVE EQUIPMENT FOR NON-EMERGENCY PERSONNEL PROTECTIVE EQUIPMENT FOR EMERGENCY RESPONDERS Accidental releases pose a serious fire or explosion hazard. No action shall be taken involving any personal risk or without suitable training. Evacuate surrounding areas. Keep unnecessary and unprotected personnel from entering. Do not touch or walk through spilled material. Shut off all ignition sources. No flares, smoking or flames in hazard area. Avoid breathing gas. Provide adequate ventilation. Wear appropriate respirator when ventilation is inadequate. Put on appropriate personal protective equipment. If specialized clothing is required to deal with the spillage, take note of any information in Section 8 on suitable and unsuitable

7 PAGE NO. 7 of 18 materials. See also the information in "For non- emergency personnel". 6.2 ENVIRONMENTAL PRECAUTIONS : Ensure emergency procedures to deal with accidental gas releases are in place to avoid contamination of the environment. Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains and sewers. Inform the relevant authorities if the product has caused environmental pollution (sewers, waterways, soil or air). 6.3 METHODS AND MATERIAL FOR CONTAINMENT AND CLEANING UP : Immediately contact emergency personnel. Stop leak if without risk. Use spark-proof tools and explosion-proof equipment. Note: see Section 1 for emergency contact information and Section 13 for waste disposal. 6.4 REFERENCE TO OTHER SECTION : 7 HANDLING AND STORAGE 7.1 PRECAUTION FOR SAFE HANDLING : Ensure equipment is adequately earthed. Suck back of water into the container must be prevented. Purge air from system before introducing gas. Do not allow backfeed into the container. Use only properly specified equipment which is suitable for this product, its supply pressure and temperature. Contact your gas supplier if in doubt. Keep away from ignition sources (including static discharges). Refer to supplier's handling instructions. 7.2 CONDITION FOR SAFE STORAGE, INCLUDING ANY INCOMPATIBILITIES : SAFE STORAGE REQUIREMENTS Store in accordance with local regulations. Store in a segregated and approved area. Store locked up. Eliminate all ignition sources. Keep container tightly closed and sealed until ready for use. Keep container tightly closed and sealed until ready for use. Cylinders should be stored upright, with valve protection cap in place, and firmly secured to prevent falling or being knocked over. Cylinder temperatures should not exceed 52 C (125 F).

8 PAGE NO. 8 of KEEP AWAY FROM SUITABLE PACKAGING MATERIAL NON-SUITABLE PACKAGING MATERIAL Store away from direct sunlight in a dry, cool and well-ventilated area, away from incompatible materials. 8 EXPOSURE CONTROLS/PERSONAL PROTECTION 8.1 CONTROL PARAMETERS : OCCUPATIONAL EXPOSURE : Occupational exposure limits Ingredient name Exposure limits ethylene ACGIH TLV (United States, 3/2012). TWA: 200 ppm 8 hours. 8.2 EXPOSURE CONTROLS : APPROPRIATE ENGINEERING CONTROLS Use only with adequate ventilation. Use process enclosures, local exhaust ventilation or other engineering controls to keep worker exposure to airborne contaminants below any recommended or statutory limits. The engineering controls also need to keep gas, vapor or dust concentrations below any lower explosive limits. Use explosion-proof ventilation equipment INDIVIDUAL PROTECTION MEASURES, SUCH AS PERSONAL PROTECTIVE EQUIPMENT :

9 PAGE NO. 9 of RESPIRATORY PROTECTION HAND PROTECTION EYE PROTECTION SKIN PROTECTION Use a properly fitted, air-purifying or air-fed respirator complying with an approved standard if a risk assessment indicates this is necessary. Respirator selection must be based on known or anticipated exposure levels, the hazards of the product and the safe working limits of the selected respirator. Chemical-resistant, impervious gloves complying with an approved standard should be worn at all times when handling chemical products if a risk assessment indicates this is necessary. If contact with the liquid is possible, insulated gloves suitable for low temperatures should be worn. Considering the parameters specified by the glove manufacturer, check during use that the gloves are still retaining their protective properties. It should be noted that the time to breakthrough for any glove material may be different for different glove manufacturers. In the case of mixtures, consisting of several substances, the protection time of the gloves cannot be accurately estimated. Safety eyewear complying with an approved standard should be used when a risk assessment indicates this is necessary to avoid exposure to liquid splashes, mists, gases or dusts. If contact is possible, the following protection should be worn, unless the assessment indicates a higher degree of protection: safety glasses with side- shields. Personal protective equipment for the body should be selected based on the task being performed and the risks involved and should be approved by a specialist before handling this product. When there is a risk of ignition from static electricity, wear anti- static protective clothing. For the greatest protection from static discharges, clothing should include anti-static overalls, boots and gloves.

10 PAGE NO. 10 of ENVIRONMENTAL EXPOSURE CONTROLS 9 PHYSICAL AND CHEMICAL PROPERTIES Emissions from ventilation or work process equipment should be checked to ensure they comply with the requirements of environmental protection legislation. In some cases, fume scrubbers, filters or engineering modifications to the process equipment will be necessary to reduce emissions to acceptable levels. 9.1 INFORMATION ON BASIC PHYSICAL AND CHEMICAL PROPERTIES : PHYSICAL STATE Gas APPEARANCE MOLECULAR MASS g/mole COLOR Colorless ODOR Characteristic ODOR THRESHOLD PH Not available RELATIVE EVAPORATION RATE MELTING POINT C ( F) FREEZING POINT C ( F) BOILING POINT C ( F) Odour threshold is subjective and inadequate to warn of overexposure FLASH POINT Closed cup: C ( F) CRITICAL TEMPERATURE 9.95 C (49.9 F) AUTO-IGNITION TEMPERATURE DECOMPOSITION TEMPERATURE 450 C (842 F) Not available.

11 PAGE NO. 11 of FLAMMABILITY (SOLID/GAS) VAPOR PRESSURE CRITICAL PRESSURE RELATIVE VAPOR DENSITY RELATIVE DENSITY Not applicable SPECIFIC GRAVITY/DENSITY RELATIVE GAS DENSITY SOLUBILITY Not available. Extremely flammable in the presence of the following materials or conditions: oxidizing 70 F (21.1 C) = Above critical temperature VISCOSITY, KINEMATIC VISCOSITY, DYNAMIC EXPLOSIVE PROPERTIES Not applicable OXIDIZING PROPERTIES None EXPLOSIVE LIMITS 9.2 OTHER INFORMATION : GAS GROUP Gas/vapour heavier than air. May accumulate in confined spaces, particularly at or below ground level ADDITIONAL INFORMATION 10 STABILITY AND REACTIVITY 10.1 REACTIVITY No specific test data related to reactivity available for this product or its ingredients CHEMICAL STABILITY The product is stable.

12 PAGE NO. 12 of POSSIBILITY OF HAZARDOUS REACTION 10.4 CONDITIONS TO AVOID Under normal conditions of storage and use, hazardous reactions will not occur. Avoid all possible sources of ignition (spark or flame). Do not pressurize, cut, weld, braze, solder, drill, grind or expose containers to heat or sources of ignition INCOMPATIBLE MATERIALS Oxidizers 10.6 HAZARDOUS DECOMPOSITION PRODUCTS Under normal conditions of storage and use, hazardous decomposition products should not be produced. 11 TOXICOLOGICAL INFORMATION 11.1 INFORMATION ON TOXICOLOGICAL EFFECTS : ACUTE TOXICITY No known toxicological effects from this product CORROSION/ IRRITATION No known effects from this product RESPIRATORY/SKIN SENSITIZATION SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) No known effects from this product. In low concentrations may cause narcotic effects. Symptoms may include dizziness, headache, nausea and loss of co-ordination MUTAGENICITY No known effects from this product CARCINOGENICITY No known effects from this product REPRODUCTIVE TOXICITY No known effects from this product CHRONIC EFFECTS FROM SHORT TERM AND LONG TERM EXPOSURE Not available 12 ECOLOGICAL INFORMATION 12.1 TOXICITY No known ecological damage caused by this product PERSISTENCE AND DEGRADABILITY Not available.

13 PAGE NO. 13 of BIO ACCUMULATIVE POTENTIAL Product/ ingredient name LogPow BCF ethylene low Potential 12.4 MOBILITY IN SOIL Not available OTHER ADVERSE EFFECTS : No known significant effects or critical hazards GLOBAL WARMING POTENTIAL (GWP) OZONE DEPLETING POTENTIAL (ODP) 13 DISPOSAL CONSIDERATIONS 13.1 WASTE TREATMENT METHODS : PROVISION RELATING TO WASTE DISPOSAL METHODS The generation of waste should be avoided or minimized wherever possible. Disposal of this product, solutions and any by-products should at all times comply with the requirements of environmental protection and waste disposal legislation and any regional local authority requirements. Dispose of surplus and non-recyclable products via a licensed waste disposal contractor. Waste should not be disposed of untreated to the sewer unless fully compliant with the requirements of all authorities with jurisdiction. Waste packaging should be recycled. Incineration or landfill should only be considered when recycling is not feasible. This material and its container must be disposed of in a safe way. Empty containers or liners may retain some product residues. Do not puncture or incinerate container.

14 PAGE NO. 14 of PACKAGING/ CONTAINER 14 TRANSPORT INFORMATION 14.1 ROAD (ADR) : UN NUMBER UN UN PROPER SHIPPING NAME ETHYLENE TRANSPORT HAZARD CLASS (ES) : HAZARD IDENTIFICATION NUMBER CLASS CLASSIFICATION CODE 2F PACKING GROUP : PACKING GROUP Not applicable LABELS ENVIRONMENTAL HAZARDS : 2.1 : Flammable gases None ENVIRONMENTAL HAZARDOUS SUBTANCE MARK SPECIAL PRECAUTIONS FOR USER : Transport within user s premises: always transport in closed containers that are upright and secure. Ensure that persons transporting the product know what to do in the event of an accident or spillage

15 PAGE NO. 15 of SPECIAL PROVISIONS LIMITED QUANTITIES Product classified as per the following sections of the Transportation of Dangerous Goods Regulations: (Class 2). Explosive Limit and Limited Quantity Index ERAP Index 3000 Passenger Carrying Ship Index Forbidden 14.2 INLAND WATERWAYS (ADN) : Passenger Forbidden Carrying Road or Rail Index UN NUMBER UN PROPER SHIPPING NAME TRANSPORT HAZARD CLASS (ES) : HAZARD IDENTIFICATION NUMBER CLASS CLASSIFICATION CODE PACKING GROUP : PACKING GROUP LABELS ENVIRONMENTAL HAZARDS : ENVIRONMENTAL HAZARDOUS SUBTANCE MARK

16 PAGE NO. 16 of SPECIAL PRECAUTIONS FOR USER : SPECIAL PROVISIONS LIMITED QUANTITIES 14.3 SEA (IMDG/IMSBC) : UN NUMBER UN UN PROPER SHIPPING NAME ETHYLENE TRANSPORT HAZARD CLASS (ES) : HAZARD IDENTIFICATION NUMBER CLASS CLASSIFICATION CODE PACKING GROUP : PACKING GROUP Not applicable LABELS ENVIRONMENTAL HAZARDS : None MARINE POLLUTANT ENVIRONMENTALLY HAZARDOUS SUBSTANCE MARK

17 PAGE NO. 17 of SPECIAL PRECAUTIONS FOR USER : Transport within user s premises: always transport in closed containers that are upright and secure. Ensure that persons transporting the product know what to do in the event of an accident or spillage SPECIAL P200 PROVISIONS LIMITED QUANTITIES TRANSPORT IN BULK ACCORDING TO ANNEX II OF MARPOL 73/78 AND THE IBC CODE : ANNEX II OF MARBOL 73/ AIR (ICAO-TI/IATA-DGR) : Not applicable UN NUMBER UN UN PROPER SHIPPING NAME Ethylene TRANSPORT HAZARD CLASS (ES) : CLASS PACKING GROUP : PACKING GROUP Not applicable LABELS ENVIRONMENTAL HAZARDS : None ENVIRONMENTAL HAZARDOUS SUBTANCE MARK SPECIAL PRECAUTIONS FOR USER : Transport within user s premises: always transport in closed containers that are upright and secure. Ensure that persons transporting the product know what to do in the event of an accident or spillage

18 PAGE NO. 18 of SPECIAL PROVISIONS PASSENGER AND CARGO TRANSPORT, LIMITED QUANTITIES, MAXIMUM NET QUANTITY PER PACKAGING Passenger and Cargo AircraftQuantity limitation: 0 Forbidden Cargo Aircraft Only Quantity limitation: 150 kg 15 REGULATORY INFORMATION Restrictions on use: None. Seveso directive 96/82/EC: Listed SAFETY, HEALTH AND ENVIRONMENTAL REGULATIONS/LEGISLATION SPECIFIC FOR THE SUBSTANCE OR MIXTURE National regulations National legislation: Ensure all national/local regulations are observed Water hazard class (WGK): - Kenn-Nr.: CHEMICAL SAFETY ASSESSMENT A CSA has been carried out. 16 OTHER INFORMATION : Ensure all national/local regulations are observed. Ensure operators understand the flammability hazard. The hazard of asphyxiation is often overlooked and must be stressed during operator training. Before using this product in any new process or experiment, a thorough material compatibility and safety study should be carried out.