2,2-Dichloropropionic acid
Synonyms & Trade Names
Dalapon, 2,2-Dichloropropanoic acid, α,α-Dichloropropionic acidPhysical Description
Colorless liquid with an acrid odor. [herbicide] [Note: A white to tan powder below 46°F. The sodium salt, a white powder, is often used.]Molecular Weight
143.0Boiling Point
374°FFreezing Point
46°FSolubility
50%Vapor Pressure
?Ionization Potential
?Specific Gravity
1.40Flash Point
NAUpper Exposive Limit
NALower Explosive Limit
NA
Noncombustible Liquid
Incompatibilities & Reactivities
Metals [Note: Very corrosive to aluminum & copper alloys. Reacts slowly in water to form hydrochloric & pyruvic acids.]Exposure Routes
inhalation, ingestion, skin and/or eye contactSymptoms
irritation eyes, skin, upper respiratory system; skin burns; lassitude (weakness, exhaustion), loss of appetite, diarrhea, vomiting, slowing of pulse; central nervous system depressionTarget Organs
Eyes, skin, respiratory system, gastrointestinal tract, central nervous systemPersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation
Provide:Eyewash, Quick drench
First Aid
(See procedures)Eye:Irrigate immediately
Skin:Water wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division