Page 280 - Handbook of Hazardous Chemical Properties

270 MOLYBDIC TRIOXIDE
MOLYBDIC TRIOXIDE
Chemical Designations - Synonyms: Molybdenum trioxide; Molybdic anhydride; Chemical Formula:
Mo03.
Observable Characteristics - Physical State (as shipped): Solid; Color: Colorless or white-yellow to
yellow; Odor: None.
Physical and Chemical Properties - Physical State at 15 C and I ann. : Solid; Molecular Weight:
143.94; Boiling Point at 1 ann.: Not pertinent; Freezing Point: Not pertinent; Critical Temperature:
Not pertinent; Critical Pressure: Not pertinent; Specific Gravity: 4.69 at 20 "C (solid); Vapor (Gas)
Specifc Gravity: Not pertinent; Ratio of Specific Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporizm'on: Not pertinent; Heat of Combustion: Not pertinent; Heat ofDecomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Approved by U.S. Bu.
Mines respirator; safety glasses or face shield; protective gloves; Symptoms Following Exposure:
Compound is relatively nontoxic. Dust irritates eyes; General Treament for Exposure: No treatment
necessary except those applicable to any nontoxic dust. EYES: flush with water; Toxicity by Inhalation
(Threshold Limit Value): 5 mg/m3; Short-Tern Inhalation Limits: Data not available; Toxicity by
Ingestion: Grade 3; LD,, 50-500 mg/kg; 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 : Not flammable; Flammable Limits in Air (W): Not flammable; Fire
Extinguishing Agents: Not pertinent; Fire Extinguishing Agents Not To Be Used: Not pertinent; Special
Hazards of Combustion Pr&ts: Not pertinent; Behavior in Fire: Not pertinent; Ignition Temperature
: Not pertinent; Electrical Hazard: Not pertinent; Burning Rate: Not pertinent.
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;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

N

2-NITROPHENOL
Chemical Designations - Synonyms: 2-Hydroxynitrobenzene; 0-Nitrophenol; OW; Chemical Formula:
1,2-HOCJ&NO,.
Observable Characteristics - Physical State (as shipped): Solid; Color: Yellow; Odor: Peculiar
aromatic.
Physical and Chemical Properties - Physical State at15 C and 1 am. : Solid; Molecular Weight:
139.1; Boiling Pointatl am.: 417,214,487; Freezing Point: 111,44,313; Critical Temperature: Not
pertinent; Critical Pressure: Not pertinent; Specifc Gravity: 1.49 at 20 "C (solid); Vapor (Gas) Specifc
Gravity: Not pertinent; Ratio of Specifc Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporization: Not pertinent; Heat of Combustion: -8,910, -4,950, -207; Heat of Decomposition: Not
pertinent.
Health Hazards Information -Recommended Personal Protective Equipment: Self-contained breathing
apparatus for fumes; goggles; rubber gloves; @mptoms Following Exposure: Inhalation or ingestion
causes headache, drowsiness, MUSM, and blue color in lips, ears, and fingernails (cyanosis). Contact
with eyes causes irritation. Can be absorbed through the intact skin to give same symptoms as for
inhalation; General Treatment for Exposure: INHALATION or INGESTION: remove victim to fresh
air; give artificial respiration; call a doctor if symptoms persist. EYES: flood with water for at least
15 min.; get medical attention. SKIN cleanse thoroughly with soap and water; Toxicity by Inhalation
(ThresholdLimit Value) : Data not available; Short-Ten Inhalation Limits: Data not available; Toxicity
by Ingestion: Grade 2; oral LD,, = 1,297 mdkg (rat); Late Toxicity: Data not available; Vapor (Gas)
Irritant Characteristics: Data not available; Liquid or Solid Im'tant Characteristics: Data not available;