Product Identification

Product Name

alpha-Bromobutyric acid

Synonyms

1-Benzothiophene
Thianaphthene

CAS

95-15-8

Formula

C8H6S

Molecular Weight

134.19999999999999

EINECS

202-395-7

Merck

12,9438

Beilstein/Gmelin

80580

Beilstein Reference

5-17-02-00006

EC Class

harmful

Physical and Chemical Properties

Appearance

White, crystalline solide with a napthalene-like odor.

Solubility in water

Insoluble

Melting Point

28 - 32

Boiling Point

221

Vapor Pressure

0.2 (25 C)

Density

1.1932 g/cm3 (10 C)

Partition Coefficient

4.38

Heat Of Vaporization

43.9 kJ/mol

Usage

Production of pharmaceuticals, thioindigo.

Refractive Index

1.6374 (37 C)

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.

Eyes

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

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing.

Hazards Identification

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Ingestion

Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.

EC Risk Phrase

R 22

EC Safety Phrase

S 22 36/37

UN (DOT)

3335

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear chemical goggles. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear a chemical apron.

Respirators

A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

Exposure Effects

Chronic exposure may cause blood effects.

Fire Fighting Measures

Flash Point

62

Autoignition

510

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Stability

No data.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, oxides of sulfur, carbon dioxide.

Transport Information

UN Number

3335

HS Code

2934 99 90