Product Identification

Product Name

2,3,4,5-Tetrafluorobenzoyl chloride

Synonyms

2,3,4,5-Tetrafluorobenzoic acid chloride

CAS

94695-48-4

Formula

C7HClF4O

Molecular Weight

212.53

Beilstein/Gmelin

5266860

Physical and Chemical Properties

Appearance

Colorless liquid with a characteristic odor.

Solubility in water

Insoluble

Boiling Point

53 - 54

Density

1.58 g/cm3

Refractive Index

1.4772 (21.5 C)

First Aid Measures

Ingestion

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage

Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Corrosives area.

Handling

Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.

Hazards Identification

Ingestion

Causes gastrointestinal tract burns. The toxicological properties of this substance have not been fully investigated.

Inhalation

Causes respiratory tract irritation. May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Causes chemical burns to the respiratory tract. The toxicological properties of this substance have not been fully investigated. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.

Skin

Causes skin burns.

Eyes

Causes severe eye irritation. Causes eye burns. Causes redness and pain. Lachrymator.

EC Risk Phrase

R 34

EC Safety Phrase

S 26 36/37/39 45

UN (DOT)

3265

Exposure Controls/Personal Protection

Personal Protection

Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Flash Point

90

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. Combustible Liquid. Extinguishing media: Use foam, dry chemical, or carbon dioxide.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Stability

Stable under normal shipping and handling conditions.

Incompatibilities

Strong oxidizing agents, strong bases, alcohols, amines, ammonia.

Decomposition

Hydrogen chloride, carbon monoxide, carbon dioxide, hydrogen fluoride.

Transport Information

UN Number

3265