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2,2-Dichloropropionic acid																				Related Pages
Synonyms & Trade Names
			Dalapon, 2,2-Dichloropropanoic acid, α,α-Dichloropropionic acid
CAS No.
			75-99-0
	RTECS No.
			UF0690000
	DOT ID & Guide

FormulaCH3CCl2COOH
	Conversion
			1 ppm = 5.85 mg/m3
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 1 ppm (6 mg/m3)
					OSHA PEL none See Appendix G
	Measurement Methods
			**OSHA** PV2017
					
					See: NMAM or OSHA Methods
										
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.]													
										
Molecular Weight143.0	
	Boiling Point374°F
	Freezing Point46°F
	Solubility50%
	Vapor Pressure?
	Ionization Potential?											
Specific Gravity1.40	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
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 contact
Symptoms
			irritation eyes, skin, upper respiratory system; skin burns; lassitude (weakness, exhaustion), loss of appetite, diarrhea, vomiting, slowing of pulse; central nervous system depression
Target Organs
			Eyes, skin, respiratory system, gastrointestinal tract, central nervous system
										
Personal 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.
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 1509

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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