Page 372 - Handbook of Hazardous Chemical Properties

362 STEARIC ACID

Not pertinent.
Health Hazards Information -Recommended Personal Protective Equipment: Goggles or face shield;
protective clothing for hot liquid; Symptoms Following Exposure: Hot liquid will burn skin; General
Treafment for Exposure: Only for burns caused by hot liquid; Toxicity by Inhalation (Threshold Limit
Value): Not pertinent; Short-Tern InhaIat'on Limits: Not pertinent; Toxicity by Ingestion: None; Late
Toxicity: None; Vapor (Gas) Irritant Characteristics: Non-volatile; Liquid or Solid Irritant
Characteristics: Data not available; Odor Threshold Not pertinent.
Fire Hazards - Flush Point (deg. F): 542; Flammable Limits in Air (%): Not flammable; Fire
Extinguishing Agents: Water; Fire Extinguishing Agents Not To Be Used: Not data; Special Hazards
of Combustion Products: Not pertinent; Behavior in Fire: Not pertinent; Ignition Temperature : No
data; Electrical Hazard: Not pertinent; Burning Rate: No data.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reactions; Stability During Transport: Stable; Neutralizing Agents forAcids and Caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

STEARIC ACID
Chemical Designations - Synonyms: 1 -Heptadecancecarboxylic acid; Octadecanoic acid; n-Octadecylic
acid; Stearophanic acid; Chemical Formula: CH,(CHJ,,CO,H.
Observable Characteristics - Physical State (as shipped): Solid; Color: White; Odar: Fatty.
Physical and Chemical Properties - Physical State at 15 'C and 1 atm.: Solid; Molecular Weight:
(avg.) 282; Boiling Point at 1 atm. : Not pertinent (decomposes); Freezing Point: 157,70,343; Critical
Temperature: Not pertinent; Critical Pressure: Not pertinent; Specipc Gravity: 0.86 at 20°C (solid);
Vqor (Gas) Specific Gravity: Not pertinent; Ratio of Specific Heats of Vapor (Gas): Not pertinent:
Lufent Heat of Vaporization: Not pertinent; Heat of Combustion: -17,310, -9,616, -402.3; Heat of
Decomposition: Not pertinent.
Health Hazards Information -Recommended Personal Protective Equipment: For prolonged exposure
to vapors, use air-supplied mask of chemical cartridge respirator; impervious gloves; goggles;
impervious apron; Symptoms Following Exposure: Compound is generally considered nontoxic.
Inhalation of dust irritates nose and throat. Dust causes mild irritation of eyes: General Treatment for
Exposure: INGESTION: drink large volume of water; induce vomiting; call a physician. EYES: flush
with water; if irritation persists, get medical attention. SKIN: wash thoroughly with soap and water;
Toxicity by Inhalation (Threshold Limit Value) : Data not available; Short-Tern Inhalution Limits: Data
not available; Toxicity by Ingestion: Grade 0; LD, > 15 glkg; Late Toxicity: Data not available; Vapor
(Gas) Im'tant Characteristics: Data not available; Liquid or Solid Irritant Characteristics: Data not
available; Odor Threshold 20 ppm.
Fire Hazards - Flash Point (deg. F): 410 - 435 OC, 365 CC (as molten solid); Flammable Limits in
Air (96): Not pertinent; Fire Extinguishing Agents: Foam, dry chemical, or carbon dioxide; Fire
Extinguishing Agents Not To Be Used: Water or foam may cause frothing: Special Hazards of
Combustion Products: No data; Behavior in Fire: No data; Ignition Temperature (deg. F): 743;
Electrical Hazard: Not pertinent; Burning Rate: Not pertinent.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reactions; Stability During Tmport: Stable; Neutralizing Agents forAcids and Caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

STYREM
Chemical Designations - Synonym: Phenethylene; Phenylethylene; Styrol; Styrolene; Vinylbenzene;
Chemical Formula: C,H,CH=CH,.
Observable Characteristics - Physical State (as shipped): Liquid; Color: Colorless; Odor: Sweet at
low concentrations; characteristic pungent; sharp; disagreeable.
Physical and Chemical Properties - Physical State at 15 "c and I atm. : Liquid: Molecular Weight:
104.15; Boiling Point at 1 atm.: 293.4, 145.2, 418.4; Freezing Point: -23.1, -30.6, 242.6; Critical
Temperature: 703, 373, 646; Critical Pressure: 580, 39.46, 4.00; Specific Gravity: 0.906 at 20 "C