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 Transport Information
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Dibenzothiophene(132-65-0)

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 Transport Information

Product Identification

Product Name
Dibenzothiophene
Synonyms
[1,1'-Biphenyl]-2,2'-diyl sulfide
2,2'-Biphenylylene sulfide
9-Thiafluorene
Dibenzo[b,d]thiophene
Diphenylene sulfide
CAS
132-65-0
Formula
C12H8S
Molecular Weight
184.26
EINECS
205-072-9
RTECS
HQ3490550
RTECS Class
Other
Beilstein/Gmelin
121101
Beilstein Reference
5-17-02-00239

Physical and Chemical Properties

Appearance
Yellow to green solid.
Solubility in water
Insoluble
Melting Point
95 - 98
Boiling Point
332
Vapor Pressure
4 (152 C)
Density
1.0084 - 1.1295 g/cm3 (275 - 125 C)
Partition Coefficient
4.38
Heat Of Vaporization
55.7 kJ/mol
Heat Of Combustion
-104.2 kJ/mol

First Aid Measures

Ingestion
Get medical aid. Wash mouth out with water.
Inhalation
Remove from exposure to fresh air immediately. Get medical aid.
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 skin and eyes.

Hazards Identification

Ingestion
Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation
May cause respiratory tract irritation.
Skin
May cause skin irritation.
Eyes
May cause eye irritation.
EC Risk Phrase
R 22
EC Safety Phrase
S 22 36/37

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.
Poison Class
4

Fire Fighting Measures

Flash Point
170
Autoignition
> 450
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

Disposal Code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, oxides of sulfur, carbon dioxide.

Transport Information

HS Code
2934 99 90
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