Page 156 - Handbook of Hazardous Chemical Properties

146 DIPHJ3NYLAMW

Pleasant, pine-like; lemon-like.
Physical and Chemical Properties - Physical State at 15 “c and I atm. : Liquid; Molecular Weight:
136.2; Boiling Point at I atm.: 352, 178, 451; Freezing Point: -40, -40, 233; Critical Temperature:
Not pertinent; Critical Pressure: Not pertinent; Specific Gravity: 0.842 at 21 “C (liquid); Vapor (Gas)
Density: 4.9; Ratio of Specific Heats of Vapor (Gas): Not pertinent; Latent Heat of Vaporization: 140,
77, 3.2; Heat of Combustion: -19,520, -10,840, 454; Heat ofDecomposition: Not pertinent.
Health Hazards Information -Recommended Personal Protective Equipment: Solvent-resistant gloves;
safety glasses or face shield; self-contained breathing apparatus for high vapor concentrations;
Symptoms Following Exposure: Liquid irritates eyes; prolonged contact with skin causes irritation.
Ingestion causes irritation of gastrointestinal tract; General Treamnt for Exposure: INHALATION:
remove victim from contaminated area; administer artificial respiration if necessary; call physician.
EYES: flush with water for 15 min.; call physician. SKIN: wash with soap and water. INGESTION
induce vomiting; call physician; Toxicity by Inhalation (Xhreshold Limit Vu&): Data not available;
Short-Tern Exposure Limits: Data not available; Toxicity by Ingestion: Grade 2; oral LD50 4,600 mglkg
(rat); Late Toxicity: Data not available; Vapor (Gas) Irritant Characteristics: Vapors cause a slight of
the eyes or respiratory system if present in high concentrations. The effect is temporary; Liquid or Solid
Irritant Characteristics: Minimum hazard. If spilled on clothing and allowed to remain, may cause
smarting and reddening of the skin; Odor KJzreshoZd Data not available.
Fire Hazards - Flash Point (deg. F): 115 CC; Flammable Limits in Air ($6): 0.7 - 6.1; Fire
Extinguishing Agents: Foam, dry chemical, carbon dioxide; Fire Extinguishing Agents Not to be Used:
Water may be ineffective; Special Hazards of Combustion Products: Not pertinent; Behavior in Fire:
Containers may explode; Ignition Temperature (deg. F): 458; Electrical Hazard: Data not available;
Burning Rate: 5.5 mmlmin.
Chemical Reactivity - Reactivity with Water : No reaction; Reactivity with Common Materials: No
reaction; Stability Dving Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
DIPHENYLAMINE
Chemical Designations -Synonyms: Anilinobenzene; N-Phenylaniline; Chemical Fonnula: (C,H,)JH.
Observable Characteristics - Physical State (as normally shipped): Solid or liquid; Color: Very pale
tan; amber to brown; Odor: Characteristic, pleasant.
Physical and Chemical Properties - Physical State at 15 “c and I a&x : Solid or liquid; Molecular
Weight: 169.2; Boiling Point at I atm.: 576, 302, 575; Freezing Point: 127, 53, 326; Critical
Temperature: Not pertinent; Critical Pressure: Not pertinent; Specijic Gravity: 1.068 at 61 “C (liquid);
Vapor (Gas) Density: Not pertinent; Ratio of Specific Heats of Vapor (Gas): Not pertinent; Latent Heat
of Vaporizm’on: Not pertinent; Heat of Combustion: -16,300, -9,060, -379; Heat of Decomposition:
Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Respirator; safety
goggles or face shield; rubber gloves; Symptoms Following Exposure: Inhalation may irritates mucous
membranes. Overexposure, including ingestion of solid or skin contact, may cause fast pulse,
hypertension, and bladder trouble. Contact with dust irritates eyes; General Treatment for Exposure:
INHALATION: move victim to fresh air. INGESTION: get medical attention; observe for
methemoglobinemia. EYES: flush with plenty of water and see physician. SKIN: wash with soap and
water; Toxicity by Inhalation (Threshold Limit Value): 10 mg/m3; Short-Term Exposure Limits: Data
not available; Taricity by Ingestion: Grade 2; oral LD,, 2,000 mglkg (rat); Late Toxicity: Causes birth
defects in rats (polycystic kidneys); Vapor (Gus) Irritant Characteristics: Data not available; Liquid or
Solid Irritm Characteristics: Data not available; Odor Threshold Data not available.
Fire Hazards - Flash Point (deg. F): (liquid) 307 OC; Flammable Limits in Air (%): Not pertinent;
Fire Extinguishing Agents: Foam, dry chemical, carbon dioxide; Fire Extinguishing Agents Not to be
Used: Water or foam may cause frothing; Special Hazards of Combustion Products: Toxic oxides of
nitrogen may form in fire; Behavior in Fire: Dust may be explosive if mixed with air in critical
proportions and in the presence of a source of ignition; Ignition Temperature (deg. F): 1.175; Electrical