Page 32 - Handbook of Hazardous Chemical Properties

22 AMMONIUM SILICOFLUORIDE

Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of
Polymerization: Not pertinent.

AMMONIUM SILICOFLUORIDE
Chemical Designations - Synonyms: Ammonium Fluosilicate; Chemical Formula: (NH&SiF6.
Observable Characteristics - Physical State (as normally shipped): Solid; Color: White; Odor: None.
Physical and Chemical Properties - Physical State at 15 “c and I atm. : Solid: Molecular Weight:
178.14; Boiling Point at I atm. : Not pertinent (decomposes); Freezing Point: Not pertinent; Critical
Temperature: Not pertinent; Critical Pressure: Not pertinent; Specific Gravity: 2.0 at 20°C (solid);
Vapor (Gas) Density: Not pertinent; Ratio of Specijic Heats of Vqor (Gar): Not pertinent; Latent Heat
of Vaporization: Not pertinent; Heat of Combustion: Not pertinent; Heat of Decomposition: Not
pertinent.
Health Hazards Information -Recommended Personal Protective Equipment: Dust respirator; acid
resistant clothing and hat; rubber gloves; goggles and safety shoes; Symptoms Following Exposure:
Inhalation of dust can cause pulmonary irritation and can be fatal in some cases. Ingestion may be fatal.
Contact with dust causes irritation of eyes and irritation or ulceration of skin; General Treatment for
Exposure: INHALATION: remove patient to fresh air. INGESTION cause vomiting by giving soapy
water or mustard water; have patient drink large quantities of lime water; if necessary, give stimulant
such as strong coffee; keep patient warm. EYES: flush with water for 20 min., holding eyelids open.
SKIN: wash with soap and water; Toxicity by Inhulation (Threshold Limit Value): 2.5 mg/m3; Short-
Term Exposure Limits: Data not available; Toxicity by Ingestion: Grade 3; LD,, 100 mg/kg (rat); Late
Tm‘city: Data not available; Vapor (Gas) Irritant Characteristics: Data not available; Liquid or Solid
Irritant Characteristics: Data not available; Odor i%reshold Data not available.
Fire Hazards - Flash Point: Not flammable; Flammable Limits in Air (9%): Not flammable; Fire
Extinguishing Agents: Not pertinent; Fire Extinguishing Agents Not To Be Used Not pertinent; Special
Hazards of Combustion Products: Toxic and irritating hydrogen fluoride, silicon tetrafluoride, and
oxides of nitrogen may form in fires; Behavior in Fire: Not pertinent; Ignition Temperature (deg. F):
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; Nmralizing Agents for Acids and Caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

AMYL ACETATE
Chemical Designations - Synonym: Amyl Acetate, Mixed Isomers; Pentyl Acetates; Chemical
Formula: CH,COOC,H,,.
Observable Characteristics - Physical State (as normally shipped) : Liquid; Color: Colorless to yellow;
Odor: Pleasant banana-like; mild; characteristic banana- or pear- like odor;
Physical and Chemical Properties - Physical State at 15 “c and I am. Liquid; Molecular Weight:
:
130.19; Boiling Point at I atm.: 295, 146, 419; Freezing Point: C-148, C-100, C173; Critical
Temperature: Not pertinent; Critical Pressure: Not pertinent; Specific Gravity: 0.876 at 20 “C (liquid);
Vapor (Gas) Density: Not pertinent; Ratio of SpeciJic Heats of Vapor (Gas): Not pertinent; Latent Heat
of Vaporization: 140, 75, 3.1; Heat of Combustion: -13,360, -7423, -310.8; Heat of Decomposition:
Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Air-supplied mask or
chemical cartridge respirator, protective gloves, goggles, safety shower, and eye bath; Symptoms
Following Exposure: Irritation of eyes, nose and throat. Dizziness, nausea, headache; General
Treatment for Exposure: INHALATION: move victim to fresh air; call physician; administer oxygen.
SKIN OR EYES: flush with water; Toxicity by Inhalation (ThresholdLimit Value): 100 ppm; Short-
Term Exposure Limits: 200 ppm for 30 min.; Toxicity by Ingestion: Grade 1; LD,, 6.5 g/kg (rat); Late
Toxicity: None; Vapor (Gar) Irritant Characteristics: Vapors cause a slight smarting of the eyes or
respiratory system if present in high concentration. The effect is temporary; Liquid or Solid Irritant
Characteristics: o appreciable hazard. Practically harmless to the skin. If spilled on clothing and