2,2-Dichloropropionic acid
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CAS
75-99-0
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CH3CCl2COOH
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RTECS
UF0690000
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Synonyms & Trade Names
Dalapon; 2,2-Dichloropropanoic acid; alpha,alpha-Dichloropropionic acid
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: TWA 1 ppm (6 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 5.85 mg/m3
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Physical 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.]
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MW: 143.0
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BP: 374°F
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FRZ: 46°F
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Sol: 50%
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VP: ?
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IP: ?
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Sp.Gr: 1.40
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Fl.P: NA
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UEL: NA
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LEL: NA
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Noncombustible Liquid
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Incompatibilities & Reactivities
Metals [Note: Very corrosive to aluminum & copper alloys. Reacts slowly in water to form hydrochloric & pyruvic acids.]
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Measurement Methods
OSHA PV2017
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, upper respiratory system; skin burns; lassitude (weakness, exhaustion), loss of appetite, diarrhea, vomiting, slowing of pulse; central nervous system depression
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Target Organs
Eyes, skin, respiratory system, gastrointestinal tract, central nervous system
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