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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Guidance on Safe Use

Guidance on Safe Use

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Administrative data

First-aid measures

Description of first aid measures

First aid personnel should pay attention to their own safety. If the patient is likely to become unconscious, place and transport in stable sideways position

(recovery position). Immediately remove contaminated clothing.

If inhaled:

Keep patient calm, remove to fresh air, seek medical attention.

On skin contact:

Flush with copious amounts of water for at least 15 minutes. If irritation develops, seek medical attention.

On contact with eyes:

Immediately wash affected eyes for at least 15 minutes under running water with eyelids held open,

consult an eye specialist.

On ingestion:

Immediately rinse mouth and then drink plenty of water, do not induce vomiting, seek medical


Indication of any immediate medical attention and special treatment needed

Treatment: Treat according to symptoms (decontamination, vital functions), no known specific


Fire-fighting measures

Extinguishing media

Suitable extinguishing media:

carbon dioxide, dry powder, water spray, foam

Unsuitable extinguishing media for safety reasons: water jet

Special hazards arising from the substance or mixture:

Self-polymerization if overheated in a container. Cool endangered containers with water-spray.

Advice for fire-fighters:

Special protective equipment:

Wear a self-contained breathing apparatus.

Further information:

In case of a fire in the vicinity a restabilization system should be used if the temperature in the storage container reaches 45°C. Evacuate area of all unnecessary personnel. In case of a fire in the vicinity evacuate all personnel in a greater area if the temperature in the storage container reaches 60°C.

Accidental release measures

Personal precautions, protective equipment and emergency procedures

Take appropriate protective measures.

Avoid contact with the skin, eyes and clothing. Ensure adequate ventilation. Use personal protective

clothing. Breathing protection required.

Environmental precautions

Do not discharge into drains/surface waters/groundwater. Contain contaminated water/firefighting


Methods and material for containment and cleaning up

For small amounts: Allow to solidify and sweep/shovel up.

For large amounts: Allow to solidify and sweep/shovel up.

Clean contaminated floors and objects thoroughly with water and detergents, observing environmental regulations. Dispose of absorbed material in

accordance with regulations.

Handling and storage

Precautions for safe handling

Handle in accordance with good industrial hygiene and safety practice. The substance/ product may be handled only by appropriately trained personnel.

Facility parts must be checked for polymer residues and cleaned on regular basis in order to avoid hazardous reactions.

Ensure thorough ventilation of stores and work areas. Encapsulation or exhaust ventilation required. When filling, transferring, or emptying of containers,

adequate local exhaust ventilation is necessary. Vent waste air to atmosphere only through suitable separators. Check the condition of seals and

connector screw threads. Do not open warm or swollen product containers. Remove persons to safety and alert fire brigade.

Ensure adequate inhibitor and dissolved oxygen level.

Because of the possible separation from the stabilizer the product should never be partially melted and taken. Ensure that there is no crystallized product in

the container before use. Obtain Information from supplier/ manufacturer before dissolving totally or partially crystallized product. The ambient temperature

of the container may not exceed the stated temperature limit when melting the product or keeping it at moderate temperature.

Protection against fire and explosion:

Substance/product can form explosive mixture with air. Ground all transfer equipment properly to prevent electrostatic discharge. Containers should be

grounded against electrostatic charge. It is recommended that all conductive parts of the machinery are grounded. Avoid all sources of ignition: heat, sparks, open flame. If exposed to fire, keep containers cool by spraying with water. Emergency cooling must be provided for the eventuality of a fire in the vicinity.

Avoid influence of heat. Heated containers should be cooled to prevent polymerization.

Conditions for safe storage, including any incompatibilities:

Further information on storage conditions: Prior to storage ensure that the transfer equipment used and the intended storage containers do not contain other

substances/products. Before transfer to stock the identity of the product must be proved to be without doubt. The entrance to storage rooms is to be

granted only to appropriately trained personnel.

The stabilizer is only effective in the presence of oxygen. Maintain contact with atmosphere containing 5 - 21% oxygen. Never use tanks with inert-gas

installation for storage.

Risk of polymerization. Protect against heat. Protect from direct sunlight. Protect contents from the effects of light. Avoid UV-light and other radiation with

high energy. Protect against contamination. Maintain contact with atmosphere containing 5 - 21% oxygen. All storage containers should at least be equipped with two high temperature alert devices. Even if the product is stored and handled as prescribed/indicated it should be used up within the indicated duration

of storage.

Storage stability:

Storage temperature: < 40 °C

Storage duration: 12 Months

The stated storage temperature should be noted.

Avoid prolonged storage.

Ensure adequate inhibitor and dissolved oxygen level.

Do not store with less than 10 % headspace above liquid.

Storage stability is based upon ambient temperatures and conditions described.

The product is stabilized, the shelf life should be noted.

Transport information

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Marine transport (UN RTDG/IMDG)

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Exposure controls / personal protection

Stability and reactivity

Disposal considerations