Page 330 - Handbook of Hazardous Chemical Properties

320 POLYCHLORINATED BIpHENn
Symptoms Following Exposure: Low toxicity. Vapor may act as a simple asphyxiant in high
concentrations; General Treatment for Exposure: INHALATION: remove victim from exposure;
Toxicity by Inhalation (Threshold Limit Value) : Data not available; Short-Tern Inhalation Limits: Data
not available; Toxicity by Ingestion: Grade 0, LD,, above 15 glkg; Lute Toxicity: None; Vapor (Gas)
In-itant Characteristics: Vapors are nonirritating to the eyes and throat; Liquid or Solid Irritant
characteristics: No appreciable hazard. Practically harmless to the skin; Odor Threshold: Data not
available.
Fire Hazards - Flash Point (&g. F): 215 - 470 OC; Flammable Limits in Air (%): Data not available;
Fire Extinguishing Agents: Carbon dioxide, dry chemical, or foam; Fire Extinguishing Agents Not to
be Used: Water may be ineffective; Special Hazards of Combustion Products: Not pertinent; Behavior
in Fire: Not pertinent; Ignition Temperature : Data not available; Electrical Hazard Not pertinent;
Burning Rate: Data not available.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reaction; Stability During Transport: Stable; Neutralizing Agents for Acidr and Caustics: Not pertinent;
Polymerim*on: Not pertinent; Inhibitor of Polymerizm'on: Not pertinent.

POLYCHLORINATED BIPHENYL
Chemical Designations - Synonyms: Aroclor; Chlorinated biphenyl; Halogenated waxes; PCB;
Polychloropolyphenyls; Chemical Formula: (C12Hl&Clx.
Observable Characteristics - Physical State (as shipped): Liquid or solid; Color: Pale yellow (liquid);
colorless (solid); Odor: Practically odorless.
Physical and Chemical Properties - Physical State at 15 "c and 1 am. : Solid or liquid; Molecular
Weight: Not pertinent; Boiling Point at 1 am.: Very high; Freezing Point: Not pertinent; Critical
Temperature: Not pertinent; Critical Pressure: Not pertinent; SpeciJic Gravity: 1.3 - 1.8 at 20 "C
(liquid); Vqor (Gas) SpeciJic Gravity: Not pertinent; Ratio of Specific Heats of Vqor (Gas): Not
pertinent; Latent Heat of Vaporization: Not pertinent; Heat of Combustion: Not pertinent; Heat of
Decomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Gloves and protective
garments; Symptoms Following Exposure: Acne from skin contact; General Treatment for Exposure:
SKIN: wash with soap and water; Toxicity by Inhalation (Threshold Limit Value): 0.5 to 1.0 mglm3;
Short-Tern Inhalation Limits: Data not available; Toxicity by Ingestion: Grade 2, oral rat LD,, = 3980
mg/kg; Lute Toxicity: Causes chromosomal abnormalities in rats, birth defects in birds; Vapor (Gas)
Irritant Churacteristics: Vapors causes severe irritation of the eyes and throat and cause eye and lung
injury. They cannot be tolerated even at low concentrations; Liquid or Solid Irritant Characteristics:
Contact with skin may cause irritation; Odor Threshold: Data not available.
Fire Hazards - Rash Point (deg. F): >286; Flammable Limits in Air (96): Data not available; Fire
Extinguishing Agents: Water, foam, dry chemical, or carbon dioxide; Fire Extinguishing Agents Not
to be Used: Not pertinent; Special Hazards of Gmbustion Products: Irritating gases are generating in
fires; Behavior in Fire: Not pertinent; Ignition Temperature : Data not available; Electrical Hazard:
Not pertinent; Burning Rate: Data not available.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent;
Polymerizm'on: Not pertinent; Inhibitor of Polymerization: Not pertinent.

POLYMETHYLENE POLYPHENYL ISOCYANATE
Chemical Designations - Synonyms: PAPI; Chemical Formula: C.&(NCO)CH&J&(NCO)-and
polymer.
Observable Characteristics - Physical State (as shipped): Liquid; Color: Dark brown; Odor: Very
weak.
Physical and Chemical Properties - Physical State at 15 "c and 1 am. Liquid; Molecular Weight:
:
400 (approx.); Boiling Point at 1 am.: 392, 200, 473; Freezing Point: Not pertinent; Critical