Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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2,3-Dimethylthiophene(632-16-6)

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

Product Identification

Product Name
2,3-Dimethylthiophene
CAS
632-16-6
Formula
C6H8S
Molecular Weight
112.19
EINECS
211-170-2

Physical and Chemical Properties

Appearance
Colorless liquid.
Solubility in water
Insoluble
Melting Point
-49
Boiling Point
141.6
Vapor Pressure
6.4 torr (25 C)
Density
1.0021 g/cm3 (20 C)
Partition Coefficient
2.78
Refractive Index
1.5192 (20<sup>o</sup>C)

First Aid Measures

Ingestion
Get medical aid. Wash mouth out with water.
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. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
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
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area.

Hazards Identification

Ingestion
Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation
Harmful if inhaled. May cause respiratory tract irritation.
Skin
May cause irritation. Harmful if absorbed through the skin.
Eyes
May cause irritation.
EC Risk Phrase
R: 11 20/21/22
EC Safety Phrase
S: 9 16 33 36/37

Exposure Controls/Personal Protection

Personal Protection
Chemical protective goggles, chemically resistive gloves, protective work clothing.
Respirators
Follow the OSHA respirator regulations found in 29 CFR 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
1
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Use dry chemical or foam.
Fire Potential
Will burn if involved in a fire. Flammable liquid and vapor.

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Remove all sources of ignition. Use a spark-proof tool.

Stability and Reactivity

Incompatibilities
Strong oxidizing agents, strong bases.
Decomposition
Carbon monoxide, oxides of sulfur, carbon dioxide.
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