Product Identification

Product Name

4-CBC

Synonyms

4-Chlorobutanoic acid chloride
4-Chlorobutyric acid chloride
4-Chlorobutyroyl chloride
4-Chlorobutyryl chloride

CAS

4635-59-0

Formula

C4H6Cl2O

Molecular Weight

141

EINECS

225-059-1

RTECS

EM1406000

RTECS Class

Other

Beilstein/Gmelin

773860

Beilstein Reference

4-02-00-00826

EC Class

toxic, corrosive

Physical and Chemical Properties

Appearance

Light-gold liquid. With a stench.

Solubility in water

Slightly soluble

Melting Point

-49 - -47

Boiling Point

173

Vapor Pressure

30 (20 C)

Density

1.2679 g/cm3 (10 C)

Refractive Index

1.4690 (20 C)

First Aid Measures

Ingestion

Do NOT induce vomiting and seek IMMEDIATE MEDICAL ADVICE.

Inhalation

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

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. Do not store in direct sunlight. 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

Harmful if swallowed. Causes gastrointestinal tract burns. Ingestion of large amounts may cause nausea and vomiting, rigidity or convulsions. Continued exposure can produce coma, dehydration, and internal organ

Inhalation

May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Causes chemical burns to the respiratory tract. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema. Toxic if inhaled.

Skin

Causes skin burns.

Eyes

Causes severe eye burns. Lachrymator.

EC Risk Phrase

R 23 22 35

EC Safety Phrase

S 26 28 36/37/39 45

UN (DOT)

2922

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

85

Autoignition

440

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Combustible Liquid. Extinguishing media: Do NOT use water directly on fire. Use foam, dry chemical, or carbon dioxide.

Upper exp. limit

11.7

Lower exp. limit

5.5

Accidental Release Measures

Small spills/leaks

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

Stability and Reactivity

Disposal Code

11

Stability

No data.

Incompatibilities

Water, oxidizing agents, strong bases, alcohols, amines.

Decomposition

Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide.

Transport Information

UN Number

2922

HS Code

2915 90 80