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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2-Naphthalenethiol(91-60-1)

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
2-Naphthalenethiol
Synonyms
2-Mercaptonaphthalene
2-Naphthyl mercaptan
2-Thionaphthol
Renacit 1
Vulcamel TBN
CAS
91-60-1
Formula
C10H8S
Molecular Weight
160.24
EINECS
202-082-5
RTECS
QK3930000
RTECS Class
Other
Merck
12,6466
Beilstein/Gmelin
636389
Beilstein Reference
4-06-00-04312

Physical and Chemical Properties

Appearance
Off-white, crystals, powder or lumps, disagreeable sulfurous mushroom odor.
Solubility in water
Insoluble
Melting Point
81
Boiling Point
286
Vapor Pressure
0.005 (25 C)
Density
1.550 g/cm3 (25C)
pKa/pKb
6.64 (pKa)
Partition Coefficient
3.75
Heat Of Vaporization
50.4 kJ/mol
Usage
Used as a flavour additive in food industry.

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
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. The toxicological properties of this substance have not been fully investigated.
Inhalation
Harmful if inhaled. The toxicological properties of this substance have not been fully investigated.
Skin
Harmful if absorbed through the skin.
Eyes
May cause eye irritation.
EC Risk Phrase
R 22 36/37/38
EC Safety Phrase
S 26 36/37/39
UN (DOT)
3335

Exposure Controls/Personal Protection

Personal Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
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
134
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
6
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Incompatibilities
Strong oxidizing agents, strong bases.
Decomposition
Sulfur dioxide, carbon monoxide, carbon dioxide.

Transport Information

UN Number
3335
HS Code
2930 90 70
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