Product Identification

Product Name

Propionyl bromide

Synonyms

Propionic acid bromide
Propionyl bromide

CAS

598-22-1

Formula

C3H5BrO

Molecular Weight

136.97999999999999

EINECS

209-924-0

Physical and Chemical Properties

Appearance

Colorless liquid with a pungent odor.

Solubility in water

Decomposes

Melting Point

-40

Boiling Point

103

Vapor Pressure

20 torr (25 C)

Density

1.521 g/cm3 (16 C)

Partition Coefficient

1.15

Heat Of Vaporization

34.2 kJ/mol

First Aid Measures

Ingestion

DO NOT INDUCE VOMITING. If swallowed, wash mouth thoroughly with plenty of water and give water to drink. Get medical attention immediately.

Inhalation

In case of inhalation, remove person to fresh air. Keep him quiet and warm. Apply artificial respiration if necessary and get medical attention immediately.

Skin

Remove contaminated clothing. Wash skin thoroughly with mild soap and plenty of water for at least 15 minutes. Wash clothing before re-use.

Eyes

Holding the eyelids apart, flush eyes promptly with copious flowing water for at least 20 minutes. Get medical attention immediately.

Handling and Storage

Storage

Store in a dry, cool, well-ventilated area.

Hazards Identification

Inhalation

Corrosive to mucous membranes and upper respiratory tract. Symptoms of overexposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.

Skin

Direct contact may result in serious skin burns. BURNS MAY POSSIBLY APPEAR ONLY SEVERAL HOURS AFTER EXPOSURE!

Eyes

Direct contact may result in serious corneal burns.

Ingestion

May cause severe burns to the mucous membranes of the mouth, esophagus and stomach.

EC Risk Phrase

R: 14 22 34

EC Safety Phrase

S: 9 26 30 36/37/39 43

UN (DOT)

2920

Exposure Controls/Personal Protection

Personal Protection

PVC gloves. Chemical safety goggles or face shield with safety glasses.

Respirators

Respirator with cartridge providing protection against acid gas-organic vapor or self-contained breathing apparatus. For short term exposure to low concentrations, an approved combination acid gas-organic vapor gas mask is suitable.

Exposure Effects

In the long term there will be severe third degree burns, severe breathing difficulties and severe inflammation of the mucous membranes. In extreme cases it could lead to death.

Fire Fighting Measures

Flash Point

52

Fire Fighting

Extinguish with dry powder or carbon dioxide. DO NOT USE WATER. Fire fighters should wear full protective clothing and self-contained breathing apparatus (SCBA) in positive pressure mode.

Accidental Release Measures

Small spills/leaks

Cover with dry lime or soda ash, pick up, keep in closed container and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability

Stable under normal conditions.

Incompatibilities

Violent reaction with water, bases, alcohols and alkalies. Avoid contact with metals, strong oxidizers.

Decomposition

When heated to decomposition, may release poisonous and corrosive fumes of Carbon Monoxide, Carbon Dioxide and Hydrogen Bromide.

Transport Information

UN Number

2920

Hazard Class

8

Packing Group

II