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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:

Remove contaminated clothing.

If inhaled:

Keep patient calm, remove to fresh air.

On skin contact:

Wash thoroughly with soap and water.

On contact with eyes:

Wash affected eyes for at least 15 minutes under running water with eyelids held open.

On ingestion:

Rinse mouth and then drink 200-300 ml of water.

Treatment: Symptomatic treatment (decontamination, vital functions).

Fire-fighting measures

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.

Advice for fire-fighters:

Special protective equipment:

Wear a self-contained breathing apparatus.

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 water.

Methods and material for containment and cleaning up:

For small amounts: Sweep/shovel up. Dispose of absorbed material in accordance with regulations.

For large amounts: Sweep/shovel up.

Clean contaminated floors and objects thoroughly with water and detergents, observing environmental regulations. Correctly dispose of recovered product immediately.

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.

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.

The temperatures which must be avoided are to be considered. Protect against heat. Protect from direct sunlight. Protect contents from the effects of light.

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. It is recommended that all conductive parts of the machinery are grounded.

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.

All storage containers should be equipped with 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: < 35 °C

Storage duration: 12 Months

The stated storage temperature should be noted.

Storage temperature: 60 °C

Storage duration: < 0.2 Months

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.

Transport information

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Marine transport (UN RTDG/IMDG)

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Exposure controls / personal protection

Exposure controls:

Personal protective equipment

Respiratory protection:

Suitable respiratory protection for lower concentrations or short-term effect: Gas filter for gases/vapours of organic compounds

(boiling point >65 °C, e. g. EN 14387 Type A)

Hand protection:

nitrile rubber (NBR) - 0.4 mm coating thickness

Supplementary note: The specifications are based on tests, literature data and information of glove manufacturers or are derived from similar

substances by analogy. Due to many conditions (e.g. temperature) it must be considered, that the practical usage of a chemical-protective glove

in practice may be much shorter than the permeation time determined through testing.

Eye protection:

Safety glasses with side-shields (frame goggles) (e.g. EN 166)

Body protection:

Body protection must be chosen depending on activity and possible exposure, e.g. apron, protecting boots, chemical-protection suit

(according to EN 14605 in case of splashes or EN ISO 13982 in case of dust).

General safety and hygiene measures:

Avoid contact with skin. Avoid inhalation of vapour. Wearing of closed work clothing is required additionally to the stated personal protection equipment.

Handle in accordance with good industrial hygiene and safety practice.

Stability and reactivity


No hazardous reactions if stored and handled as prescribed/indicated.

Corrosion to metals:

Corrosive effects to metal are not anticipated.

Formation of flammable gases:       

Remarks: Forms no flammable gases in the presence of water.

Chemical stability:

The product is stable if stored and handled as prescribed/indicated.

Possibility of hazardous reactions:

Explosion and fire hazard exists under confined conditions. Ignitable air mixtures can form when the product is heated above the flash point

and/or when sprayed or atomized. Formation of explosive gas/air mixtures.

Risk of spontaneous polymerization when heated or in the presence of UV radiation. Polymerization coupled with heat formation.

Risk of spontaneous polymerization by oxygen depletion of the liquid phase.

Radical formation can cause exothermic polymerization. Reacts with peroxides and other radical components. Risk of spontaneous polymerization

in the presence of starters for radical chain reactions (e.g. peroxides). Reacts with nitric acid. Risk of spontaneous polymerization in the

presence of oxidizing agents.

Hazardous reactions in presence of mentioned substances to avoid.

The product is stabilized against spontaneous polymerization prior to despatch. The product is stable if stored and handled as prescribed/indicated.

Conditions to avoid:

Avoid oxygen content above the product of less than 5 %. Avoid UV-light and other radiation with high energy. Avoid direct sunlight. Avoid prolonged

storage. Avoid inhibitor loss. Avoid excessive temperatures.

Incompatible materials:

Substances to avoid:

radical formers, free radical initiators, peroxides, mercaptans, nitro-compounds, perborates, azides, ether, ketones, aldehydes, amines, nitrates, nitrites,

oxidizing agents, reducing agents, strong bases, acid anhydrides, acid chlorides, concentrated mineral acids, metal salts

Inert gas

Hazardous decomposition products:

No hazardous decomposition products if stored and handled as prescribed/indicated.

Disposal considerations

Must be sent to a suitable incineration plant, observing local regulations.

Contaminated packaging:

Uncleaned empties should be disposed of in the same manner as the contents.