Page 74 - Handbook of Hazardous Chemical Properties

64 N - BUTYL METHACRYLATE
are heavier than air and may travel considerable distance to ignition source and flash back; Ignition
Temperature: No data; Electrical Hazard No data; Burning Rate: 7.4 mm/min.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reactions; Stability During Transport: Stable; Neutralizing Agents forAcicts and Caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
N - BUTYL METHACRYLATE
Che'mical Designations - Synonyms: Methacrylic Acid, Butyl Ester; Butyl Methacrylate; Butyl 2-
Methacrylate; n-Butyl alpha-Methyl Acrylate; Butyl 2-Methyl-2-Propenoate; Chemical Formula:
CH, = C(CH3)COOCH2CH$H,CH3.
Observable Characteristics - Physical State (as normally shipped) : Liquid; Color: Colorless; Odor:
Moderate acrylate.
Physical and Chemical Properties - Physical State at 15 "c and 1 atm. : Liquid; Molecular Weight:
142.2; Boiling Point at1 atm. : 325, 163,436; Freezing Point: C32, CO, C273; Critical Temperature:
Not pertinent; Critical Pressure: Not pertinent; Specific Gravity: 0.8975 at20"C; Vapor (Gas) Density:
Not pertinent; Ratio of Speczj7c Heats of Vapor (Gas): Not pertinent; Latent Heat of Vaporization: Not
pertinent; Heat of Combustion: -14,800, -8,230, -344; Heat of Decomposition: Not pertinent.
Health Hazards Information -Recommended Personal Protective Equipment: Self-contained breathing
apparatus; impervious gloves; chemical splash goggles; Symptoms Following Exposure: Inhalation may
cause nausea because of offensive odor. Contact with liquid causes irritation of eyes and mild irritation
of skin. Ingestion causes irritation of mouth and stomach; General Treatment for Exposure:
INHALATION: remove to fresh air; give oxygen or artificial respiration as required. EYES: flush with
copious amounts of water for 15 min. and consult physician. SKIN: wash with soap and water.
INGESTION: induce vomiting; call a physician; Toxicity by Inhalation (Threshold Limit Value): Data
not available; Short-Tern Exposure Limits: Data not available; Toxicity by Ingestion: Grade 0; LD,
> 15 g/kg; Lute Toxicity: Birth defects in rats (gross and skeletal abnormalities); 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): 150 OC; Flammable Limits in Air (96): 2 - 8; Fire Extinguishing
Agents: Dry chemical, foam, 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. FJ: 562; Electrical Hazard No data; Burning Rate: 4.8
mmtmin.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reactions; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent;
Polymerization: May occur upon exposure to heat; Inhibitor of Polymerization: 9 - 15 ppm monomethyl
ether of hydroquinone; 90 - 120 ppm hydroquinone.

1,4BUTYNEDIOL
Chemical Designations - Synonyms: 2-Butyne-l,4-Diol; 1,4-Dihydroxy-2-Butyn; Chemical Formula:
HOCH,C CCH,OH .
Observable Characteristics - Physical State (as nonnally shipped): Solid or 35% aqueous solution;
Color: Solid: colorless to pale yellow; Solution: straw to amber color; Odor: Data not available.
Physical and Chemical Properties - Physical State at 15 "c and 1 atm. : Solid; Molecular Weight:
36.09; Boiling Point at 1 atm.: 460,238,511; Freezing Point: 140,58,331; Critical Temperatwe: Not
pertinent; Critical Pressure: Not pertinent; Specijk Gravity: 1.07 at 20°C (solid); Vapor (Gas) Density:
Not pertinent; Ratio of Specijic Heats of Vapor (Gas): Not pertinent; Latent Heat of Vaporization: Not
pertinent; Heat of Combustion: -1 1,020, -6,120, -256.2; Heat of Decomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Neoprene rubber gloves
and safety goggles or face shield; Symptom Following Exposure: May cause dermatitis; General
Treatment for Enposure: SKIN: wash affected skin area thoroughly with water. EYES: immediately
wash with water for at least 15 min. and get medical attention; Toxicity by Inhalation (Threshold Limit