Registration Dossier

Guidance on Safe Use

Guidance on Safe Use

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Administrative data

First-aid measures

Product-Specific hazards:
Extremely flammable liquefied gas
An asphyxiant at high concentrations – oxygen depletion can be fatal.
Contact with the liquid may result in frostbite.

General advice :
Take care to self-protect by avoiding becoming contaminated – use air supplied breathing apparatus where high concentrations are possible.
Move contaminated patient(s) out of the dangerous area.
Seek medical assistance - show the material safety data sheet or label if possible.

Inhalation :
Move to fresh air.
Do not leave the victim unattended.
Exposure to high concentrations may cause asphyxiation and the victim may be unaware.
Keep patient warm and at rest.
Seek immediate medical attention.
If breathing is difficult, give oxygen if possible, or assisted ventilation.
If unconscious place in recovery position.
In the event of cardiac arrest, (no pulse), apply cardiopulmonary resuscitation.

Skin contact :
Liquid contact may cause frostbite.
Do not remove clothing that adheres due to freezing.
Immediately flush affected area with plenty of water – continue for at least 15 minutes.
If there are signs of frostbite, (blanching or redness of skin or burning or tingling sensation), seek medical attention.

Eye contact :
Remove any contact lenses.
Flush eyes with water thoroughly and continuously for at least 15 minutes.
Keep eye wide open while rinsing.
If there are signs of irritation or other symptoms seek medical attention.
If eye irritation, pain, swelling, lachrimation or photophobia persists, the patient should be seen in a specialist health care facility.

Ingestion :
Is not considered a likely route of exposure – frostbite to the lips and mouth may occur if in contact with the liquid.


Advice to Physician :
A simple asphyxiant gas at normal temperatures and pressures – there is no specific antidote.
In the event of contact with the liquid treat for frostbite.

Fire-fighting measures

Where possible stop the flow of gas.
If the flow cannot be stopped allow the fire to burn out, whilst cooling containers and surroundings with a water spray.

Suitable extinguishing media :
LARGE FIRE: Use water spray, water fog or foam. DO NOT use direct water jet.
SMALL FIRE: Dry powder or carbon dioxide (CO2) extinguisher, dry sand or fire fighting foam.

Unsuitable Extinguishing Media :
Do NOT use water jet.
Simultaneous use of foam and water on the same surface is to be avoided as water destroys the foam.

Combustion Products :
Carbon monoxide, carbon dioxide and unburned hydrocarbons (smoke).

Specific hazards during fire fighting :
Vapour is denser than air – flashback may be possible over considerable distances.
Cylinders or other containment vessels may explode under fire conditions - use water spray to cool unopened containers.
Do not allow run-off from fire fighting to enter drains or water courses – may cause explosion hazard in drains and may reignite.

Further information :
Special protective equipment for fire-fighters :
Wear an approved positive pressure self-contained breathing apparatus in addition to standard fire fighting gear.

Accidental release measures

Personal precautions :
Wear personal protective equipment, including self contained breathing apparatus, unless the atmosphere is proved to be safe.
Avoid breathing vapours.
Ensure adequate ventilation and absence of sources of ignition.
Beware of accumulation of vapours in low areas or contained areas, where explosive concentrations may occur.


Environmental precautions :

Land spillage :
Prevent further leakage or spillage if safe to do so.
Prevent spillage from entering drains or any place where accumulation may occur.

Spillages in water or at sea :
Prevent further leakage or spillage if safe to do so.
If the spillage contaminates rivers, lakes or drains inform respective authorities.

Methods for clean up :
Contain spillage – ventilate area and allow to evaporate.


Further accidental release measures :
Spillages of liquid product will create a fire hazard and form an explosive atmosphere.
Ensure all equipment is non sparking or electrically bonded.
Avoid direct contact with released material.
Stay upwind.
Keep non-involved personnel away from the area of spillage.
Ensure adequate ventilation, especially in confined areas.

Handling and storage

Advice on safe handling :
Smoking, eating and drinking should be prohibited.
Use only in well ventilated areas.
Avoid all sources of ignition, oxidising agents, chlorine and hydrogen chloride or hydrogen fluoride..
Take precautionary measures against static discharges, use proper bonding and/or grounding procedures.
Avoid contact with heat and ignition sources and oxidizing agents.
Use only in a closed system.
Use piping and equipment designed to withstand the pressures to be encountered.
Use a check valve or other protective device to prevent reverse flow.
Cleaning, inspection and maintenance of the internal structure of storage tanks must be done
only by properly equipped and qualified personnel as defined by national, local or company
regulations.
Handle empty containers with care; vapour residue may be flammable.
Do not pressurise, cut, weld, braze, solder, drill, or grind on containers.
Dispose of rinse water in accordance with local and national regulations.
The vapour is heavier than air, beware of accumulation in pits and confined spaces.
Ensure that all relevant regulations regarding explosive atmospheres, and handling and storage
facilities of flammable products are followed.


Storage :
To stored only in supplied cylinders or approved vessels.
No smoking.
Store in a designated cool and well-ventilated place.
Cylinders should be secured vertical - and only transported in a secure position in a well ventilated vehicle or hand truck.
Cylinders which have been are opened must be carefully resealed and kept upright.
Vapour space above stored liquid may be flammable/explosive unless blanketed with inert gas.
Storage installations should be designed with adequate bunds so as to prevent ground and water pollution in case of leaks or spills.

Transport information

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Marine transport (IMDG)

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Exposure controls / personal protection

Stability and reactivity

Disposal considerations