Page 267 - Handbook of Hazardous Chemical Properties

METHYL CYCLOPENTANE 257

acid). Reaction can be hazardous if water is hot; Reactivity with Common Materials: Corrodes rubber;
Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Flush with water, rinse
with sodium bicarbonate or lime solution; Polymerization: Not pertinent; Inhibitor of Polymerization:
Not pertinent.

METHnCYCLOPENTADIENYLMANGANESE TRICARBONYL
Chemical Designations - Synonyms: Combustion Improver C12; Chemical Formula: C,H,O,Mn.
Observable Characteristics - Physical State (as shipped): Liquid; Color: Straw to dark orange; Odor:
Faint, pleasant, herbaceous.
Physical and Chemical Properties - Physical State at 15 "c and 1 atm. : Liquid; Molecular Weight:
218.1; Boiling Point at 1 atm.: 451, 233, 506; Freezing Point: 34, 1, 274; Critical Temperature: Not
pertinent; Critical Pressure: Not pertinent; Specific Gravity: 1.39 at 20 "C (liquid); Vapor (Gas)
Speci3c Gravity: Not pertinent; Ratio of Specijic Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporization: Not pertinent; Heat of Combustion: (est.) -9,900, -5,500, -230; Heat of Decomposition:
Not pertinent.
Health Hazards Information -Recommended Personal Protective Equipment: Organic vapor canister
mask; rubber gloves and apron; protective goggles or face shield; Symptoms Following Exposure:
Inhalation, ingestion, or skin contact affect central nervous system, causing convulsions, respiratory
depression, cyanosis, and coma. Liquid irritates eyes; General Treatment for Exposure: Get medical
attention following all exposures to this compound. INHALATION: remove victim from exposure; give
artificial respiration if necessary. EYES: flush with plenty of water for at least 15 min. SKIN: wash
well with soap and water. INGESTION: induce vomiting; Toxicity by Inhalation (Threshold Limit
Value): 0.1 ppm (as manganese); Short-Term Inhalation Limits: Data not available; Toxicity by
Ingestion: Grade 4, oral LD,, = 23 mg/kg (rat); Late 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): > 200 CC; Flarmnable Limits in Air (%): Data not available; Fire
Extinguishing Agents: Dry chemical, foam, water spray, carbon dioxide; Fire Extinguishing Agents Not
To Be Used: Not pertinent; Special Hazards of Combustion Products: Toxic vapors are formed in a
fire; Behavior in Fire: Not pertinent; 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: Data
not available; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not
pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

METHYL CYCLOPENTANE
Chemical Designations - Synonyms: Cyclopentane, methyl; Chemical Formula: C,H,,.
Observable Characteristics - Physical State (as shipped): Liquid; Color: Colorless; Odor: Like
gasoline.
Physical and Chemical Properties - Physical State at 15 "c and 1 atm. : Liquid; Molecular Weight:
84.2; Boiling Point at 1 atm.: 161.3, 71.8, 345.0; Freezing Point: -224, -142, 131; Critical
Tempemture: 499.3, 259.6, 532.8; Critical Pressure: 550, 37.4, 3.79; Specific Gravity: 0.749 at 20
"C (liquid); Vqor (Gas) Specific Gravity: 2.9; Ratio of Specific Heats of Vapor (Gas): 1.0834; Latent
Heat of Vaporization: 162, 90, 3.8; Heat of Combustion: (liquid) -18,900, -10,500, -440; Heat of
Decomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: SCBA; goggles or face
shield; rubber gloves; Symptom Following Exposure: Inhalation causes dizziness, nausea, and
vomiting; concentrated vapor may cause unconsciousness and collapse. Liquid causes irritation of eyes
and mild irritation of skin if allowed to remain. Ingestion causes irritation of stomach. Aspiration
causes severe lung irritation, rapidly developing pulmonary edema, and central nervous system
excitement followed by depression; General Treatment for Exposure: INHALATION: remove victim
from exposure; if breathing has stopped, administer artificial respiration; call physician. EYES: flush