Page 145 - Handbook of Hazardous Chemical Properties

DIMETHYLACETAMIDE 135
Lute Toxicity: Data not available; Vapor (Gas) Irritant Characteristics: Vapors are moderately irritating
such that personnel will not usually tolerate moderate or high concentrations; Liquid or Solid Irritant
Characteristics: Causes smarting of the skin and first-degree burns on short exposure; may cause
second-degree burns on long exposure; Odor Threshold Data not available.
Fire Hazards - Flash Point (deg. F): 20 OC; 35 CC; Flammable Limits in Air (X): 0.8 - 7.1; Fire
Extinguishing Agents: “Alcohol” foam, dry chemical, carbon dioxide; Fire Extinguishing Agents Not
to be Used: water may be ineffective; Special Hazards of Combustion Products: Toxic oxides of
nitrogen may form in fires; Behavior in Fire: Vapor is heavier than air and may travel to a source of
ignition and flash back; Ignition Temperature (deg. F): 600; Electrical Hazard: Class I; Bum‘ng Rate:
Data not available.
Chemical Reactivity - Reactivity with Water : No reaction; Reactivity with Common Materials: May
attack some forms of plastics; Stability During Transport: Stable; Neutralizing Agents for Acids and
Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent,

DIISOPROPYLBENZENE HYDROPEROXIDE
Chemical Designations - Synonyms: Isopropylcumyl Hydroperoxide; Chemical Formula:
(CH3),CHC~4C(CH3),00H + (CH,),CHC,&CH(CH,),.
Observable Characteristics - Physical State (as nomlly shipped): Liquid; Color: Colorless to pale
yellow; Odor: Sharp, disagreeable.
Physical and Chemical Properties - Physical State at 15 “c and I am. : Liquid; Molecular Weight:
194.26; Boiling Point at 1 atm.: Not pertinent (decomposes); Freezing Point: < 15, < -9, <264;
Critical Temperature: Not pertinent; Critical Pressure: Not pertinent; SpeciJic Gravity: 0.956 at 15°C
(liquid); Vapor (Gas) Density: Not pertinent; Ratio of SpeciJic Heats of Vapor (Gus): Not pertinent;
Latent Heat of Vaporizm.on: Not pertinent; Heat of Combustion: Data not available; Heat of
Decomposition: Data not available.
Health Hazards Information - Recommended Personal Protective Equipment: Solvent-resistant
gloves; chemical-resistant apron; chemical goggles or face shield; self-contained breathing apparatus;
Symptoms Following Exposure: Inhalation causes irritation of nose and throat. Contact with eyes or skin
causes throbbing sensation and irritation; General Treatment for Exposure: INHALATION: move to
fresh air; call a doctor. EYES: flush with water for 15 min., holding eyelids open; call physician.
SKIN: wash several times with soap and water; Tonicity by Inhalation (Threshold Limit Value): Data
not available; Short-Term &posure Limits: Data not available; Toxicity by Ingestion: Data not available;
Lute Toxicity: Data not available; Vapor (Gas) Irritant Characteristics: Data not available; Liquid or
Solid Irritant characteristics: Data not available; Odor Threshold Data not available.
Fire Hazards - Flash Point (deg. F): 175; Flammable Limits in Air (96): Data not available; Fire
Extinguishing Agents: Foam, dry chemical, carbon dioxide; Fire Extinguishing Agents Not to be Used:
Water may be ineffective; Special Hazards of Combustion Products: Flammable alcohol and ketone
gases are formed in fires; Behavior in Fire: Burns with a flare effect. Containers may explode; Ignition
Temperature : Data not available; Electrical Hazard: Data not available; Burning Rate: Data not
available.
Chemical Reactivity - Reactivity with Water : No reaction; Reactivity with Common Materials:
Aluminum, copper, brass, lead, zinc salts, mineral acids, oxidizing or reducing agents all can cause
rapid decomposition; Stability During Transport: Unstable, slowly evolves oxygen; Inhibitor of
Polymerization: Not pertinent..

DIMETHYLACETAMIDE
Chemical Designations - Synonyms: N,N-Dimethylacetamide, Acetic Acid, Dimethylamide; Chemical
Formula: CH,CON(CH,),.
Observable Characteristics - Physical State (as normally shipped) : Liquid; Color: Colorless; Odor:
Weak, fishy.
Physical and Chemical Properties - Physical State at 15 “c and I atm. : Liquid; Molecular Weight:
87.1; Boiling Point at 1 atm.: 331, 166, 439; Freezing Point: -4, -20, 253; Critical Temperature: Not