2,4'-difluorobenzophenone

Guidance on Safe Use

First-aid measures

If inhaled: If experiencing any discomfort, remove to fresh air and obtain medical attention if discomfort does not disappear immediately.

If in eyes: Immediately flush eyes with large amounts of water or eyewash solution, occasionally opening eyelids, until no evidence of chemical remains. Remove contact lenses after a few minutes and flush again. Get medical attention immediately.

If on skin: Immediately remove contaminated clothing and footwear and wash with water and soap. Get medical attention if irritation develops.

If swallowed: Inducing vomiting is not recommended. Let the exposed person rinse mouth and drink a few glasses of water or

milk. If vomiting occurs, rinse mouth and drink fluids again. Get medical attention immediately.

Note to physician: There is no specific antidote against this substance. After decontamination, treatment is symptomatic and supportive as indicated. Gastric lavage and administration of activated charcoal can be considered.

Fire-fighting measures

Extinguishing media: Dry chemical, carbon dioxide, water spray or foam. Avoid heavy hose streams.

Procedures: If required, keep fire-exposed containers cool with water spray. Fight fire from maximum possible distance. In case of large fire, firemen should wear self-contained breathing apparatus and protective clothing.

Hazardous products in a fire: The essential breakdown products are hydrogen fluoride, carbon monoxide, carbon dioxide and various fluorinated organic compounds.

Accidental release measures

Personal precautions, protective equipment and emergency procedures: It is recommended to have a predetermined plan for the handling of spills. Empty, closable vessels for the collection of spills should be available.

In case of large spill (involving 10 tons of the product or more):

1. Use personal protection equipment.

2. Call emergency telephone no.

3. Alert authorities.

Observe all safety precautions when cleaning up spills. Use personal protection equipment. Depending on the magnitude of the spill this may mean wearing respirator, face mask or eye protection, chemical resistant clothing, gloves and boots.

Environmental precautions: Contain the spill to prevent any further contamination of surface, soil or water. Wash waters must be prevented from entering surface water. Uncontrolled discharge into water courses must be alerted to the appropriate regulatory body.

Methods and materials for containment and cleaning up: It is recommended to consider possibilities to prevent damaging effects of spills, such as bunding or capping. See GHS (Annex 4, Section 6).

Minor spills on the floor or other impervious surface should be absorbed onto an absorptive material such as hydrated lime, universal binder, Fuller’s earth or other absorbent clays. Collect the contaminated absorbent in suitable containers. Rinse area with water and industrial detergent. Absorb wash liquid onto absorbent and transfer to suitable containers.

Spills which soak into the ground should be dug up and transferred to suitable containers.

Spills in water should be contained as much as possible by isolation of the contaminated water. The contaminated water must be collected and removed for treatment or disposal.

 

Handling and storage

The substance is a transported isolated intermediate and should be handled as such.

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:

3082

Shipping information

Proper shipping name and description:

Environmentally hazardous substance, liquid, n.o.s. (2,4'-Difluorobenzophenone)

SpecialProvisions

Inland waterway transport (UN RTDG/ADN(R))

UN number:

3082

Shipping information

Proper shipping name and description:

Environmentally hazardous substance, liquid, n.o.s. (2,4'-Difluorobenzophenone)

Remarks

Marine transport (UN RTDG/IMDG)

UN number:

3082

Shipping information

Proper shipping name and description:

Environmentally hazardous substance, liquid, n.o.s. (2,4'-Difluorobenzophenone)

Marine pollutant

Remarks

Air transport (UN RTDG/ICAO/IATA)

UN number:

3082

Shipping information

Proper shipping name and description:

Environmentally hazardous substance, liquid, n.o.s. (2,4'-Difluorobenzophenone)

Remarks

SpecialProvisions

Exposure controls / personal protection

Chemical is an intermediate under strictly controlled conditions and as such not ment to present any chance for exposure, but instead ment to be consumed in a chemical reaction. However the following can be considered when the possibily for exposure arises, for example at accidents, spills, but also when maintaing and inspecting equipment.

Respiratory protection: Provide local exhaust ventilation system.

Protective gloves: Wear chemical resistant gloves such as barrier laminate, butyl rubber, nitrile rubber or viton.

Eye protection: Wear safety glasses. It is recommended to have an emergency eye wash fountain immediately available in the work area, if the possibility of eye contact exists.

Other protection: Wear appropriate chemical resistant clothing.

Work/hygienic practices: Avoid inhalation of vapour or mist. Avoid contact with skin, eyes or clothing. Avoid repeated or prolonged contact.

Always wash hands with water and soap after handling.

Environmental protection: Avoid release to the environment.

Stability and reactivity

The substance is stable at ambient temperature.

Hazardous products in a fire: The essential breakdown products are hydrogen fluoride, carbon monoxide, carbon dioxide and various fluorinated organic compounds.

Disposal considerations

Dispose of in accordance with all applicable regulations.