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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Lauryl mercaptan(112-55-0)

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
Lauryl mercaptan
Synonyms
1-Mercaptododecane
Dodecane-1-thiol
Dodecyl mercaptan
Lauryl mercaptan
CAS
112-55-0
Formula
C12H26S
Molecular Weight
202.41
EINECS
203-984-1
RTECS
JR3155000
RTECS Class
Mutagen
Beilstein/Gmelin
969337
Beilstein Reference
4-01-00-01851
EC Class
irritant

Physical and Chemical Properties

Appearance
Colorless to pale yellow liquid, mild skunk odor.
Solubility in water
Insoluble
Melting Point
-7
Boiling Point
266
Vapor Pressure
2.5
Density
0.855 g/cm3
Usage
In manufacture of synthetic rubber, plastics, pharmaceuticals, insecticides, fungicides.
Saturation Concentration
3300 ppm at 25 C (calc.)
Refractive Index
1.464

First Aid Measures

Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 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 immediately.

Handling and Storage

Storage
Store in a cool, dry place. Keep container closed when not in use.
Handling
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Inhalation
May cause respiratory tract irritation.
Skin
Causes skin irritation. May cause dermatitis. May cause reddening of the skin. Chronic exposure may result in sensitization.
Eyes
Causes eye irritation.
Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Hazards
Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion and poison hazard indoors, outdoors or in sewers.
EC Risk Phrase
R 36/38 43
EC Safety Phrase
S 26 36
UN (DOT)
1228

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. 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.
Exposure Effects
Repeated exposure may cause sensitization dermatitis.
Exposure limit(s)
NIOSH REL: C 0.5 ppm (4.1 mg/m3) 15-minute
Poison Class
4

Fire Fighting Measures

Flash Point
87
Autoignition
230
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular foam.
Fire Potential
Slightly flammable. Combustion requires preheating.

Accidental Release Measures

Small spills/leaks
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.

Stability and Reactivity

Disposal Code
6
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids, strong bases, alkali metals.
Decomposition
Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen sulfide.
Combustion Products
Poisonous and irritating gases (e.g., sulfur dioxide) are generated in fires.

Transport Information

UN Number
1228
Hazard Class
3
Packing Group
II; III
HS Code
2930 90 70
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