Gases under pressure: Compressed gas

Flammable gases, Category 1A, Flammable gas

H220 Extremely flammable gas

H280 Contains gas under pressure; may explode if heated

P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely.

P381 Eliminate all ignition sources if safe to do so.

P410+P403 Protect from sunlight. Store in a well-ventilated place.

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely.

P381 In case of leakage, eliminate all ignition sources.

P410+P403 Protect from sunlight. Store in a well-ventilated place.

P403 Store in a well-ventilated place.

none

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Fresh air, rest. Artificial respiration may be needed. Refer for medical attention.

ON FROSTBITE: rinse with plenty of water, do NOT remove clothes. Refer for medical attention .

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.

Moderate concentration in air causes dizziness, drowsiness, and unconsciousness. Contact with liquefied propylene will cause ``freezing burn.'' (USCG, 1999)

If splashes of liquid propylene cause freezing of the skin, never rinse the affected area with hot or tepid water. If liquid propylene contacts the eyes flush eyes with water for 15 minutes.

Do not extinguish fire unless flow can be stopped. If possible use foam, carbon dioxide, or dry chemical to extinguish fire. If none of these compounds are available use water in flooding quantities as a fog, being sure to cool all affected containers. Apply water from as far a distance as possible, and do not use solid streams of water since they may be ineffective. Keep material out of water sources and sewers and build dikes as necessary to contain flow. Wear self contained breathing apparatus, boots, protective gloves and goggles and be sure to wash away any material which may have contacted the body with copious amounts of water or soap and water. Do not handle damaged packages without protective equipment. If fire becomes uncontrollable or a container is exposed to direct flame, evacuate for a radius of 2500 feet. If material leaking (and is not on fire), downwind evacuation must be considered.

Behavior in Fire: Containers may explode. Vapor is heavier than air and may travel considerable distance to a source of ignition and flash back. (USCG, 1999)

Shut off supply; if not possible and no risk to surroundings, let the fire burn itself out. In other cases extinguish with powder, carbon dioxide. In case of fire: keep cylinder cool by spraying with water. NO direct contact with water. Combat fire from a sheltered position.

Evacuate danger area! Consult an expert! Ventilation. Remove all ignition sources. NEVER direct water jet on liquid. Personal protection: chemical protection suit including self-contained breathing apparatus.

Evacuate danger area! Consult an expert! Ventilation. Remove all ignition sources. NEVER direct water jet on liquid. Personal protection: chemical protection suit including self-contained breathing apparatus.

Spills in Water: Contain contaminated water if possible by using natural barriers or oil spill control booms to limit spreading. A universal gelling agent may be applied to solidify trapped mass and to increase effectiveness of the booms. If solubilized, application of activated carbon at 10% spill amount over region occupied by 10 mg/L or greater concentrations is recommended. Spills on Land: Contain if possible by forming mechanical and/or chemical barriers to prevent spreading. Apply universal gelling agent to immobilize spill or use fly ash or cement powder to absorb the liquid. Leaking containers should be removed to an isolated well-ventilated area and if possible, the contents transferred to other suitable containers. Safety goggles, impervious clothing and positive pressure self-contained breathing apparatus should be worn. Plastic or neoprene-coated canvas gloves should be worn when liquid propylene is handled.

NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. Prevent build-up of electrostatic charges (e.g., by grounding) if in liquid state. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Fireproof. Cool.Protect cylinder against physical damage and from excessive temperature rise by storing away from sources of heat. No part of a cylinder should be subjected to a temperature above 52 deg C. Store cylinders in an upright position and firmly secured. Segregate full and empty cylinders. Isolate from oxygen and other oxidizers. Avoid exposure to areas where salt or other corrosive chemicals are present. Ground and bond all lines and equipment used with propylene. Do not use near sparking motors or other non explosion proof equipment.

TLV: 500 ppm as TWA; A4 (not classifiable as a human carcinogen)

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Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.

Wear safety goggles or face shield.

Cold-insulating gloves.

Use ventilation.

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Reacts violently with oxidants. This generates fire and explosion hazard.

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DANGEROUS FIRE RISK.The gas is heavier than air and may travel along the ground; distant ignition possible. The gas is heavier than air and may accumulate in lowered spaces causing a deficiency of oxygen. As a result of flow, agitation, etc., electrostatic charges can be generated.During an experiment to produce lactic acid by oxidizing PROPYLENE with nitrogen peroxide, a violent explosion occurred. These mixtures (olefins and nitrogen peroxide) form extremely unstable nitrosates or nitrosites (Comp. Rend. 116:756 1893). Contact of very cold liquid propylene with water may result in vigorous or violent boiling of the product and extremely rapid vaporization due to the large temperature differences involved. If the water is hot, there is the possibility that a liquid "superheat" explosion may occur. Pressures may build to dangerous levels if liquid propylene contacts water in a closed container.

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Propylene reacts vigorously with oxidizing materials and with nitrogen dioxide (NO2), dinitrogen tetraoxide (N2O4), and dinitrogen oxide (N2O). Furthermore, liquid propylene will explode on contact with water at 42-75 deg C.

Combustion products of propylene ... include carbon dioxide and carbon monoxide.

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Evaluation: There is inadequate evidence in humans for the carcinogenicity of propylene. There is inadequate evidence in experimental animals for the carcinogenicity of propylene. Overall evaluation: Propylene is not classifiable as to its carcinogenicity to humans (Group 3).

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Rapid evaporation of the liquid may cause frostbite. The substance may cause effects on the central nervous system. Exposure could cause lowering of consciousness. See Notes.

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On loss of containment this substance can cause suffocation by lowering the oxygen content of the air in confined areas.

In water bodies, propylene is readily degraded by microorganisms and is therefore not expected to bioaccumulate or bioconcentrate in organisms and food chains.

An estimated BCF of 5 was calculated for propylene(SRC), using a log Kow of 1.77(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF suggests the potential for bioconcentration in aquatic organisms is low(SRC).

The Koc of propylene is estimated as 220(SRC), using a log Kow of 1.77(1) and a regression-derived equation(2). According to a classification scheme(3), this estimated Koc value suggests that propylene is expected to have moderate mobility in soil.

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The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

ADR/RID: UN1077 (For reference only, please check.)

IMDG: UN1077 (For reference only, please check.)

IATA: UN1077 (For reference only, please check.)

ADR/RID: PROPYLENE (For reference only, please check.)

IMDG: PROPYLENE (For reference only, please check.)

IATA: PROPYLENE (For reference only, please check.)

ADR/RID: 2.1 (For reference only, please check.)

IMDG: 2.1 (For reference only, please check.)

IATA: 2.1 (For reference only, please check.)

ADR/RID: (For reference only, please check.)

IMDG: (For reference only, please check.)

IATA: (For reference only, please check.)

ADR/RID: No

IMDG: No

IATA: No

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High concentrations in the air cause a deficiency of oxygen with the risk of unconsciousness or death.Check oxygen content before entering area.Turn leaking cylinder with the leak up to prevent escape of gas in liquid state.