Page 128 - Handbook of Hazardous Chemical Properties

118 2,4DICHLOROPHENOL

(liquid); Vapor (Gas) Density: 2.9; Ratio of Specflc Heats of Vapor (Gas): 1.199; Latent Heat of
Vaporization: 142, 78.7, 3.30; Heat of Combustion: Not pertinent; Heat of Decomposition: Not
pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Organic vapor canister
mask, safety glasses, protective clothing; Symptom Following Exposure: INHALATION: anesthetic
effects, nausea and drunkenness. SKIN AND EYES: skin irritation, irritation of eyes and nose; General
Treatmentfor Exposure: INHALATION: remove from exposure. Give oxygen if needed. INGESTION:
no specific antidote. SKIN AND EYES: remove contaminated clothing; wash skin or eyes if affected;
Toxicity by Inhalation (Threshold Limit Value): SO0 pprn; Short-Tern Exposure Limits: 100 ppm for
60 min.; Toxicity by Ingestion: Grade 2; LD,, 0.5 to 5 glkg; be Toxicity: None; Vapor (Gas) Irritant
Characteristics: Vapors cause moderate irritation such that personnel will find high concentrations
unpleasant. The effect is temporary; Liquid or Solid Irritant Characteristics: Minimum hazard. If
spilled on clothing and allowed to remain, may cause smarting and reddening of the skin; Odor
Threshold 205-307 ppm.
Fire Hazards - Flash Point : Not flammable under conditions likely to be encountered; Flammable
Limits in Air (96): 12 - 19; Fire Extinguishing Agents: Not pertinent; Fire Extinguishing Agents Not to
be Used: Not pertinent; Special Hazarak of Combustion Products: Dissociation products generated in
a fire may be irritating or toxic; Behavior in Fire: Not pertinent; Ignition Temperature (deg. F): 1184;
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 ktics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

2,4DICHLOROPHENOL
Chemical Designations - Synonyms: No common synonyms; Chemical Formula: HOC,H3C1,-2,4.
Observable Characteristics - Physical State (as nomlly shipped): Solid; Color: White; Odor: None.
Physical and Chemical Properties - Physical State at 15 “c and I atm.: Solid; Molecular Weight.
163.01; Boiling Point at I atm.: 421, 216, 489; Freezing Point: 110,45, 318; Critical Temperature:
Not pertinent; Critical Pressure: Not pertinent; Specific Gravity: 1.40 at 15°C (solid); Vapor (Gas)
Density: Not pertinent; Ratio of SpeciBc Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporization: Not pertinent; Heat of Combustion: Not pertinent; Heat ofDecomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Bu. Mines approved
respirator, rubber gloves, chemical goggles; Symptoms Following Exposure: Tremors, convulsions,
shortness of breath, inhibition of respiratory system; General Treatment for Exposure: Inhalation - rest.
Ingestion - drink water, epsom salt solution; Toxicity by Inhalatian (Threshold Limit Value): Not
pertinent; Short-Term Exposure Limits: Data not available; Toxicity by Ingestion: Grade 2; LD, 0.5
to 5 glkg (rat); Late Toxicity: Data not available; Vapor (Gas) Imhn.? Characteristics: Not pertinent;
Liquid or Solid Irritant Characteristics: Fairly severe skin irritant. May cause pain and second-degree
burns after a few minutes’ contact; Odor Zkreshold. Data not available.
Fire Hazards - Flash Point (deg. F): 200 OC, 237 CC; Flammable Limits in Air (%): Data not
available; Fire fitinguishing Agents: Water, foam, carbon dioxide, dry chemical; Fire Extinguishing
Agents Not to be Used: Water or foam may cause frothing; Special Hazards of Combustion Products:
Toxic gases can be evolved; Behavior in Fire: Solid melts and burns; Ignition Temperature : Data not
available; Electrical Hazard: Not pertinent; Burning Rate: Not pertinent.
Chemical Reactivity -Reactivity with Water : No reaction; Reactivity with Common Materials: May
react vigorously with oxidizing material; Stability During Transport: Stable; Neutralizing Agents for
Acids ami Caustics: Not pertinent; Polymerization: Not pertinent.

2,4-DICHLOROPHENOXYACETIC ACID
Chemical Designations - Synonyms: 2,4-D; Chemical Formula: 2,4-C1,C,H,0CH2COOH;
Observable Characteristics - Physical State (as normully shipped): Solid; Color: White to tan; Odor:
None.