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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

First-aid measures

* Description of first aid measures
- General Advice: Immediate medical attention is not required. Show this safety data sheet to the doctor in attendance.
- Skin Contact: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Contaminated clothing cannot be washed clean and should not be re-used for any purpose. Immediately call a POISON CENTER or doctor/physician. Aluminum alkyl and solutions of aluminum alkyl react with air and with body moisture.Immediate flushing with large volumes of water will kill residual alkyl, carry away the heat of reaction, and cool burned tissue. Such burns will be predominately thermal and should be treated medically as such. Immediate application of cold water has been found to reduce
the severity of burns. For treatment of injury or shock, the services of a physician are required.
- Eye contact: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician.
- Inhalation: IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. If not breathing, give artificial respiration, preferably mouth to mouth. Avoid direct contact with skin. Use barrier to give mouth-to-mouth resuscitation. If breathing is difficult, give oxygen. Seek immediate medical attention/advice.
- Ingestion: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Never give anything by mouth to
an unconscious person. Seek immediate medical attention/advice
- Protection of First-aiders: Use personal protective equipment as required. Avoid direct contact with skin. Use barrier to give mouth-to-mouth resuscitation.
* Most important symptoms and effects, both acute and delayed
Symptoms Causes severe skin burns and eye damage. Inhalation of vapours from metal alkyl and solutions of metal alkyl fires or decomposition may cause immediate irritation of the respiratory tract. Excessive or prolonged inhalation of vapours may cause "metal fume fever". Symptoms are throat irritation, headache, fever, chills, nausea, constricting sensation of the lungs.
* Indication of any immediate medical attention and special treatment needed
- Immediate Medical Assistance Required: Yes

Fire-fighting measures

* Extinguishing media
- Suitable Extinguishing Media The following general procedures are recommended for fires involving metal alkyls: No standard methods have been developed for extinguishing large-scale metal alkyl fires. Small fires may be extinguished using dry powder, provided that a large excess of dry powder is used. Water should be used only on small amounts of metalalkyls. Use water spray or fog to cool exposed equipment and containers. Water fog application will not extinguish the fire; however, water fog will accelerate the oxidation of the aluminum alkyl and is an effective media for controlling the temperature of the immediate surrounding area. The only sure way to extinguish the fire is to shut off the fuel (Alkyl) source. The following procedure is recommended for handling metal alkyls when there are fires in the vicinity :If a container is threatened by fire from an external source (not from the chemical itself), extinguish the external fire by conventional means, or move the container, whichever can be done quicker and with less danger. If this cannot be done, keep container cool by
spraying water on it. Water reacts violently with metal alkyls but has been found to be an effective fire control treatment if one is thoroughly familiar with the violent reaction and personnel are properly protected from explosion.
- Unsuitable Extinguishing Media: Do not use direct application of concentrated water streams; application of water fog (mist) is quite acceptable. Water based foams, chemical foams, and halogenated extinguishers should NOT be used.
* Special hazards arising from the substance or mixture
- Exposure Hazards: hydrochloric acid, Oxides of carbon and aluminium containing dust.
* Advice for firefighters
- Protective equipment and precautions for firefighters: All fire-fighting personnel must wear aluminized safety suits.

Accidental release measures

* Personal precautions, protective equipment and emergency procedures:
- Personal Precautions: Ventilate the area. Spills of metal alkyl solutions may or may not spontaneously ignite depending upon conditions surrounding the spill.
- For emergency responders: Use personal protection recommended in personal protection section.
* Environmental precautions
- Environmental Precautions: Use solid absorbent or earth dike to contain spilled substance. Evacuation distance : in case of small spill or leak from receptacle, container or tank, isolate the source of the spill/leak at a radius of 9 meters. Evacuation distance : in case of large or multiple spills/leaks from receptacle, container or tank, first isolate the sources of the spill(s)/leak(s) at a radius of 18 meters, then evacuate downwind 0.16 km width and 0.32 km length. The following general procedures are recommended for spills or leaks involving portable containers of metal alkyls: a) Water may be used (only if one is thoroughly familiar with the violent reaction and if personnel are properly protected from possible explosion) to decompose metal alkyls from small leaks and to keep adjacent tanks or equipment cool. b) If leaking liquid from a container is burning, move flammables away or move the container to a safe place, if possible. Avoid increasing the leak. Keep water, materials wet with water, and liquid fire extinguishers away. Small leak fires can be controlled with dry materials or with water, if one is thoroughly familiar with the violent reaction and if personnel are properly protected from possible explosion. If possible, use sandbags to contain and
isolate the burning liquid. The use of a remote control vaporisation system can be considered, particularly in the case of a limited leak which cannot be stopped. The water spray permits the agent to be burnt as soon as it appears, the heat from the reaction with the water and air to be absorbed, the combustion chamber and the adjacent equipment to be cooled off, the radiating heat to be decreased, and the gases emitted to be absorbed. For further information, please contact Albemarle Europe SPRL. c) If gases leaking from the vapour space of a container are burning, proceed also as in item b). In this instance, the fire will very likely extinguish itself as the container vapour space pressure declines to atmospheric. d) If liquid is leaking from a container but is not burning, ventilate the area or move the container out in the open, otherwise, proceed as in item b).
* Methods and material for containment and cleaning up
- Methods for Containment: Prevent further leakage or spillage if safe to do so.
- Methods for Clean-up: Requires special procedures : Remove all sources of ignition as there is potential for a solvent vapor cloud. Water fog may be used to hasten the oxidation of the aluminum alkyl; otherwise, the area should be kept clear of all personnel until alkyl has been completely oxidized. Once the alkyls are oxidized the cleanup should follow the procedures associated with a solvent cleanup.

Handling and storage

* Precautions for safe handling
- Handling: Do not allow aluminum alkyls, or solutions containing aluminum alkyls, to come into contact with any part of the body. Local exhaust is needed at source of vapours. All transfer lines must be free of water and oxygen. All vessels must be dry and oxygen-free. Transfer lines should be blanked at both ends when not in use. Vessels must be top-unloading with remote, manual pressure relief.
- General Hygiene Considerations: Handle in accordance with good industrial hygiene and safety practice.
* Conditions for safe storage, including any incompatibilities
- Storage: Alkyl containers should be kept in a well-ventilated area. Efforts must be made to keep water from accumulating in the recessed dome during storage and while the container is connected to the process. Keep containers tightly closed in a dry, cool and well-ventilated place. Mechanical ventilation is recommended. Protect from water.

Transport information

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Marine transport (UN RTDG/IMDG)

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Exposure controls / personal protection

- Skin Protection: Use full aluminized safety suit when transferring material (large scale) and whenever contact may occur.
- Eye/face Protection: Chemical goggles and the aluminized hood of a safety suit. Goggles and face shield for small scale laboratory operation.
- Hand protection: Gloves used in plant transfers or operations should be aluminized leather, preformed neoprene, aluminized vinyl or other fire-resistant, nonreactive material. Use loose-fitting rubber or leather gloves.
- Respiratory Protection: Approved dust, fume and organic respirator when working in irritating fumes from decomposition. Approved supplied-air respirator, in case of emergency.

Stability and reactivity

* Reactivity
- Reactivity Hazard: Reacts violently with water. Spontaneously flammable in air.
* Chemical stability
- Stability: Stable under recommended storage conditions. Handle under inert gas, protect from moisture. Reacts violently with water.
* Possibility of hazardous reactions
- Possibility of Hazardous Reactions: Reacts violently with water. Pyrophoric in air.
* Conditions to avoid
- Conditions to Avoid: Avoid high temperature, exposure to air, and contact with water.
* Incompatible materials
- Incompatible Materials: Water. Avoid acid, alcohol, oxidizing agents, and halogenated compounds.
* Hazardous decomposition products
- Hazardous decomposition products: Flammable vapours and aluminium containing dust on exposure to water and moist air.

Disposal considerations

- Waste disposal methods: Absorb and incinerate. Dispose in a safe manner in accordance with local/national regulations.