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1-Propanethiol

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[Flash Point]

-14
[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. Will burn if involved in a fire. Use water spray to keep fire-exposed containers cool. Containers may explode in the heat of a fire. Extinguishing media: Use water spray to cool fire-exposed containers. Use foam, dry chemical, or carbon dioxide. Water may be ineffective. Do NOT use straight streams of water.
[Lower exp. limit]

1.8
[Fire Potential]

Very dangerous fire hazard.
[Ingestion]

Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
[Inhalation]

Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. Get medical aid. Do not use mouth-to-mouth respiration if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
[Skin]

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
[Eyes]

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed.
[Storage]

Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Flammables-area. Store in a cool, dry area away from incompatible substances.
[Handling]

Wash thoroughly after handling. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Do not get on skin and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Use only in a chemical fume hood. This product may be under pressure; cool before opening. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
[Inhalation]

May cause cyanosis, characterized by bluish-colored skin. May cause respiratory tract irritation. Aspiration may lead to pulmonary edema. Vapors may cause dizziness or suffocation. May cause burning sensation in the chest.
[Skin]

Causes severe skin irritation. May cause contact dermatitis. May cause cyanosis of the extremities.
[Eyes]

Causes severe eye irritation. May cause chemical conjunctivitis and corneal damage.
[Ingestion]

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Ingestion of large amounts may cause CNS depression. May be harmful if swallowed. May cause muscle weakness, convulsions, and respiratory paralysis.
[Hazards]

Flashback along vapor trial may occur.
[EC Risk Phrase]

R 11 22 36/38
[EC Safety Phrase]

S 9 16
[UN (DOT)]

2402
[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]

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
[Exposure Effects]

Prolonged or repeated exposure may cause nausea, dizziness, and headache. Effects may be delayed.
[Exposure limit(s)]

NIOSH REL: C 0.5 ppm (1.6 mg/m3) [15-minute]
[Poison Class]

4
[Appearance]

Colorless liquid with an offensive cabbage-like odor.
[Solubility in water]

Slightly soluble
[Melting Point]

-113
[Boiling Point]

67
[Vapor Pressure]

155
[Density]

0.82995 g/cm3
[Partition Coefficient]

1.7
[Heat Of Vaporization]

32.1 kJ/mol
[Heat Of Combustion]

-2829 kJ/mol
[Usage]

Synthetic flavoring agent.
[Saturation Concentration]

Approximately 160,550 ppm (16.1%) at 20 C (calculated.)
[Vapor Density]

2.63
[Odor threshold]

0.00075 ppm
[Refractive Index]

1.4380 (20 C)
[Product Name]

1-Propanethiol
[Synonyms]

1-Propanethiol
3-Mercaptopropane
Propane-1-thiol
[CAS]

"CASEN_107-03-9.htm">107-03-9
[Formula]

C3H8S
[Molecular Weight]

76.16
[EINECS]

203-455-5
[RTECS]

TZ7300000
[RTECS Class]

Primary Irritant
[Beilstein/Gmelin]

1696860
[Beilstein Reference]

4-01-00-01449
[EC Class]

highly flammable, harmful, irritant
[Small spills/leaks]

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Remove all sources of ignition. Use a spark-proof tool. A vapor suppressing foam may be used to reduce vapors.
[Disposal Code]

6
[Incompatibilities]

Oxidizing agents, reducing agents, strong acids, strong bases, alkali metals, calcium hypochlorite.
[Stability]

Stable under normal temperatures and pressures.
[Decomposition]

Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen sulfide.
[Combustion Products]

Toxic sulfur dioxide is generated.
[UN Number]

2402
[Hazard Class]

3
[Packing Group]

II
[HS Code]

2930 90 70