Supplier Product Identification Physical and Chemical Properties Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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2-Bromo-5-methylthiophene(765-58-2)

Supplier Product Identification Physical and Chemical Properties Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
2-Bromo-5-methylthiophene
Synonyms
5-Bromo-2-methylthiophene
5-Methyl-2-bromothiophene
CAS
765-58-2
Formula
C5H5BrS
Molecular Weight
177.06
EINECS
212-151-1

Physical and Chemical Properties

Appearance
Colorless liquid.
Solubility in water
0.39 g/L (20 C)
Melting Point
58
Boiling Point
178
Vapor Pressure
1.5 (25 C)
Density
1.5529 g/cm3 (20 C)
Partition Coefficient
3.21
Heat Of Vaporization
39.60 kJ/mol
Refractive Index
1.5673 (20<sup>o</sup>C)

Handling and Storage

Storage
Keep tightly closed. Keep away from heat and open flame. Refrigerate on arrival. Store at 2-8 C

Hazards Identification

Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.
Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
Hazards
Emits toxic fumes under fire conditions.
UN (DOT)
1993

Exposure Controls/Personal Protection

Personal Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator.

Fire Fighting Measures

Flash Point
78
Fire Fighting
For small (incipient) fires, use media such as 'alcohol' foam, dry chemical, or carbon dioxide. For large fires, apply water from as far as possible. Use very large quantities (flooding) of water applied as a mist or spray; solid streams of water may be ineffective. Cool all affected containers with flooding quantities of water. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire Potential
Combustible liquid.

Accidental Release Measures

Small spills/leaks
Cover with dry-lime, sand, or soda ash. Place in covered containers using non-sparking tools and transport outdoors. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability
Stable if stored as directed.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Sulfur oxides, Hydrogen bromide gas.

Transport Information

UN Number
1993
Hazard Class
3
Packing Group
III
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