Trifluoro(tetrahydrofuran)boron

Guidance on Safe Use

First-aid measures

Description of first aid measures: Immediately remove contaminated clothing. If danger of loss of consciousness, place patient in recovery position and transport accordingly. Apply artificial respiration if necessary. First aid personnel should pay attention to their own safety.

If inhaled: Immediately inhale corticosteroid dose aerosol. Keep patient calm, remove to fresh air, seek medical attention.

On skin contact: Immediately wash thoroughly with plenty of water, apply sterile dressings, consult a skin specialist.

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 attention.

Most important symptoms and effects, both acute and delayed

- Symptoms: lung oedema, severe pain, skin corrosion, coughing, irritation to the lungs, Further symptoms are possible

- Hazards: Danger of irritation to the lungs. Risk of pulmonary edema. These risks can occur also at lower concentrations.

Indication of any immediate medical attention and special treatment needed

- Treatment: Treat according to symptoms (decontamination, vital functions), no known specific antidote, administer corticosteroid dose aerosol to prevent pulmonary odema.

Fire-fighting measures

Extinguishing media

- Suitable extinguishing media: foam, dry lime, cement, Water in copious quantities, Dry sand

Special hazards arising from the substance or mixture

At temperatures of > 150 °C can be emitted: boron trifluoride, tetrahydrofuran; the substances/groups of substances mentioned can be released in case of fire.

Advice for fire-fighters

- Special protective equipment: Wear a self-contained breathing apparatus.

- Further information: Containers/tanks should be cooled with water spray. Avoid direct contact with water. Contaminated extinguishing water must be disposed of in accordance with official regulations.

Accidental release measures

Personal precautions, protective equipment and emergency procedures: Breathing protection required. Ensure adequate ventilation.

Environmental precautions: Do not discharge into drains/surface waters/groundwater. Due to the pH-value of the product, neutralization is generally required before discharging sewage into treatment plants.

Methods and material for containment and cleaning up

- For small amounts: Dilute with water. Neutralize with lime. Dispose of absorbed material in accordance with regulations.

- For large amounts: Dike spillage. Place into suitable container for disposal. Dispose of absorbed material in accordance with regulations.

Handling and storage

Precautions for safe handling: Keep container tightly sealed.

Protection against fire and explosion: Vapours may form explosive mixture with air. Prevent electrostatic charge - sources of ignition should

be kept well clear - fire extinguishers should be kept handy.

Conditions for safe storage, including any incompatibilities

- Suitable materials for containers: Stainless steel 1.4541, Stainless steel 1.4571, High density polyethylene (HDPE)

- Further information on storage conditions: Keep container tightly closed in a cool, well-ventilated place.

Protect from temperatures above: 50 °C; the packed product must be protected against exceeding the indicated temperature.

Transport information

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Marine transport (UN RTDG/IMDG)

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Exposure controls / personal protection

1. Technical protection measures:

2. Organisational protection measures: Avoid contact with the skin, eyes and clothing. Take off immediately all contaminated clothing.

3. Hand protection: Chemical resistant protective gloves (EN 374)

- Suitable materials short-term contact and/or splashes (recommended: At least protective index 2, corresponding > 30 minutes of permeation time according to EN 374) Polyethylene-Laminate (PE laminate) - ca. 0.1 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. Manufacturer's directions for use should be observed because of great diversity of types.

4. Feet protection: See body protection measures

5. 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).

6. Eye protection: Tightly fitting safety goggles (cage goggles) (e.g. EN 166) and face shield.

7. Respiratory protection: Suitable respiratory protection for lower concentrations or short-term effect: Gas filter for gases/vapours of inorganic compounds (e.g. EN 14387 Type B) Suitable respiratory protection for higher concentrations or long-term effect: Self-contained breathing apparatus.