Page 239 - Handbook of Hazardous Chemical Properties

LAURYL MERCAPTAN 229
Fire Hazards - Flash Point : Not flammable unless coagulated; Flammable Limits in Air (540): Not
flammable; Fire Extinguishing Agents: Not pertinent; Fire Extinguishing Agents Not To Be Used: Not
pertinent; Special Hazards of Combustion Products: If the latex dries out and the burns, hydrochloric
acid, hydrogen cyanide and styrene gases may be evolved. All are irritating and poisonous; Behavior
in Fire: Heat may coagulate the latex and form sticky plastic lumps which may burn; Ignition
Temperature : Not flammable; Electrical Hazard: Data not available; Burning Rate: Not flammable.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reaction; Stability During Transport: Coagulated by heat and acids to gummy, flammable material;
Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of
Polymerization: Not pertinent.
LAUROYL PEROXIDE
Chemical Designations - Synonyms: Dilauroyl peroxide; Dodecanoyl peroxyde; Chemical Formula:
~c~,~~H2)10c001,.
Observable Characteristics - Physical State (as shipped): Solid; Color: White; Odor: Faint pungent;
bland, soapy.
Physical and Chemical Properties - Physical State at 15 'C and 1 am. : Solid; Molecular Weight:
399; Boiling Point at 1 atm.: Decomposes; Freezing Point: 129, 54, 327; Critical Temperature: Not
pertinent; Critical Pressure: Not pertinent; Specific Gravity: 0.91 at 25 "C (solid); Vapor (Gas) Specijic
Gravity: Not pertinent; Ratio of Specpc Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporization: Not pertinent; Heat of Combustion: (est.) -16,300, -9,100, -380; Heat OfDecomposition:
Data not available.
Health Hazards Information - Recommended Personal Protective Equipment: Protective goggles,
gloves; Symptoms Following Exposure: Contact with liquid irritates eyes and skin. Ingestion causes
irritation of mouth and stomach; General Treatment for lhposure: EYES: flush with plenty of water
for 15 min. and get medical attention. SKIN: wash with soap and water. INGESTION: administer en
emetic to induce vomiting and call a physician; Toxicity by Inhalation FresholdLimit Value): Data
not available; Short-Tern Ih€ation Limits: Not pertinent; Toxicity by Ingestion: Data not available;
Late Toxicity: Weak carcinogen in mice; Vapor (Gas) Irritant Characteristics: Data not available;
Liquid or Solid Irritant Characteristics: Data not available; Odor l%reshold: Data not available.
Fire Hazards -Flash Point : Not pertinent (oxidizing combustible solid); Flammable Limits in Air (%):
Not pertinent; Fire Extinguishing Agents: Water, dry chemical, foam, or carbon dioxide; Fire
Extinguishing Agents Not To Be Used: Not pertinent; Special Hazards of Combustion Products: Not
pertinent; Behavior in Fire: Can increase the severity of fire. Becomes sensitive to shock when hot.
Containers may explode in a fire. May ignite or explode spontaneously if mixed with flammable
materials; Ignition Temperature : Not pertinent; Electrical Hazard: Not pertinent; Burning Rate: Not
pertinent.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: May
ignite or explode spontaneously when mixed with combustible materials; Stability During Transport:
Stable if not overheated; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization:
Not pertinent; Inhibitor of Polymerization: Not pertinent.

LAURYL MERCAPTAN
Chemical Designations - Synonyms: 1 -Dodecanethiol; Dodecyl mercaptan; Chemical Formula:
CH,(CHJ,,CH,SH.
Observable Characteristics - Physical State (as shipped): Liquid; Color: Colorless; Odor: Mild skunk.
Physical and Chemical Properties - Physical State at 15 "c and I atm. : Liquid; Molecular Weight:
202; Boiling Point at 1 atm. : Very high; Freezing Point: 19.4, -7.0,266.2; Critical Temperature: Not
pertinent; Critical Pressure: Not pertinent; Specific Gravity: 0.85 at 15 "C (liquid); Vapor (Gas)
Specific Gravity: Not pertinent; Ratio of Specijic Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporim'on: (est.) 110, 60, 2.5; Heat of Combustion: (est.) -18,200, -10,100, -422; Heat of
Decomposition: Not pertinent.