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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3-Methoxybenzenethiol(15570-12-4)

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
3-Methoxybenzenethiol
Synonyms
(m-Methoxyphenyl)thiol
3-Mercaptoanisole
3-Methoxythiophenol
m-Methoxybenzenethiol
m-Methoxythiophenol
CAS
15570-12-4
Formula
C7H8OS
Molecular Weight
140.21
EINECS
239-617-7
Beilstein/Gmelin
2041496
Beilstein Reference
4-06-00-05701
EC Class
irritant

Physical and Chemical Properties

Appearance
Colorless - very slightly yellow liquid. With a stench.
Solubility in water
Slightly soluble
Boiling Point
223
Density
1.134 g/cm3 (30 C)
pKa/pKb
6.36 (pKa)
Refractive Index
1.5874 (20 C)

First Aid Measures

Ingestion
Get medical aid immediately. 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.
Skin
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.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.

Hazards Identification

Ingestion
Harmful if swallowed.
Inhalation
Causes respiratory tract irritation.
Skin
Causes skin irritation.
Eyes
Causes eye irritation.
Hazards
Containers may explode when heated.
EC Risk Phrase
R 20/21/22 36/38
EC Safety Phrase
S 26 36/37/39
UN (DOT)
3082

Exposure Controls/Personal Protection

Personal Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
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
96
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire Potential
May burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Incompatibilities
Oxidizing agents, strong bases.
Stability
Stable under normal temperatures and pressures.
Decomposition
Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen sulfide.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
3082
Hazard Class
9
Packing Group
III
HS Code
2930 90 70
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