Page 332 - Handbook of Hazardous Chemical Properties

322 POLYPROPYLENE GLYCOL
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reactions; Stability During Transport: Stable; Neutralizing Agents forAcids and Cmtics: Not pertinent;
Polymerizalion: Not pertinent; Inhibitor of Polymerizm'on: Not pertinent.

POLYPROPYLENEGLYCOL
Chemical Designations - Synonyms: Polyoxipropylene glycol; Polyoxpropylene ether, PPG; Pluracol
polyol; Polyproplene glycols P400 to P4000; Thanol PPG; Chemical Formula:
n
HOCH(CH3)CH20[CH2CH(CH3)O]n-H averages 2-34.
Observable Characteristics - Physical State (as shipped): Liquid; Color: Colorless; clear, lightly
colored; Odor: None; slight sweet; faint ether-like.
Physical and Chemical Properties - Physical State at 15 'C and I abn. : Liquid; Molecular Weight:
Variable - 200 to 2000; Boiling Point at I am.: Not pertinent (decomposes); Freezing Point: -22 to
-58, -30 to -50, -243 to 223; Critical Temperature: Not pertinent; Critical Pressure: Not pertinent;
Specific Gravity: 1.012 at 20 "C (liquid); Vapor (Gas) Specific Gravity: Not pertinent; Ratio of Specific
Heats of Vapor (Gas): Not pertinent; Latent Heat of Vaporization: Not pertinent; Heat of Combustion:
-14.200, -7.900, -330; Heat of Decomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Safety glasses or face
shield; rubber gloves; Symptoms Following Expornre: The compound has a very low toxicity; few, if
any, symptoms will be observed. Contact of liquid with eyes causes slight transient pain and irritation
similar to that caused by a mild soap; General Treatment for Exposure: EYES: flush with water until
mild irritation is gone; Toxicity by Inhalation (ThreshoMLimit Value): Data not available; Short-Tern
Inhalation Limits: Not pertinent; Toxicity by Ingestion: (depends on molecular wt.) Grade 2, oral LDso
= 2.150-5 mg/kg (rat); Grade 1, LD, 5 to 15 g/kg; Grade 1, LD, > 15 g/kg; Late Toxicity: Data not
available; Vapor (Gas) Irritant Characteristics: Data not available; Liquid or Solid Irritant
characteristics: Data not available; Odor Zhreshold: Not pertinent.
Fire Hazards -Flash Point (deg. F): 210 CC, 225 OC; FlammableLimits in Air (96): 2.6 - 12.5; Fire
Extinguishing Agents: Water fog, alcohol foam, carbon dioxide, or dry chemical; Fire lMnguishing
Agents Not To Be Used: Not pertinent; Special Hazards of Combustion Prhts: Not pertinent;
Behavior in Fire: Not pertinent; Ignition Temperature (&g. 4: 790; Electrical Hazard: Not pertinent;
Buming Rate: 1.5 mm/min.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivio with Common Materials: No
reactions; Stability During Transport: Stable; Neutralizing Agents forAcids and caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymeriizaion: Not pertinent.
POTASSIUM, METALLIC
Chemical Designations - Synonyms: No common synonyms; Chemical Formula: K.
Observable Characteristics - Physical State (as shipped): Solid; Color: Silvery white; Odor: None.
Physical and Chemical Properties - Physical State at I5 'C and I atm. : Solid; Molecular Weight: 39;
Boiling Point at I am.: 1,425,114, 1,0041; Freezing Point: 145,63,336; Critical Temperamre: Not
pertinent; Critical Pressure: Not pertinent; Speczjic Gravity: 0.86 at 20 "C (solid); Vapor (Gas) Speczjic
Gravity: Not pertinent; Ratio of Specific Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporization: Not pertinent; Heat of Combustion: -2,003, -1.113, -46.51; Heat ofDecomposition: Not
pertinent.
Health Hazards Information -Recommended Persod Protective Equipment: Goggles or face shield;
rubber gloves; Symptoms Following Exposure: Contact with eyes or skin causes severe bums; General
Treatmentfor Exposure: EYES OR SKIN: flush with water; treat caustic burns; Toxicity by Inhalation
("hreshold Limit Valw) : Data not available; Short-Term Inhalation Limits: Not pertinent; Toxicity by
Ingestion: Not pertinent; Late Toxicity: Data not available; Vapor (Gas) Im'tant Characteristics: Data
not available; Liquid or Solid Irritant Characteristics: Data not available; Odor Threshold Not
pertinent.
F'ire Hazards - Flash Point : Not pertinent. This is a combustible solid; Fbnmble Limits in Air (96):
Not pertinent; Fire Extinguishing Agents: Graphite, sand, sodium chloride; Fire Extinguishing Agents