Chemistry:2,2-Dichloropropionic acid

2,2-Dichloropropionic acid

Names
Preferred IUPAC name 2,2-Dichloropropanoic acid
Identifiers
CAS Number	75-99-0
3D model (JSmol)	Interactive image
ChEBI	CHEBI:81859
ChEMBL	ChEMBL445525
ChemSpider	6178
EC Number	200-923-0
KEGG	C18600
PubChem CID	6418
RTECS number	UF0690000
UNII	VO6PY8ZMRW
UN number	1760
InChI InChI=1S/C3H4Cl2O2/c1-3(4,5)2(6)7/h1H3,(H,6,7) Key: NDUPDOJHUQKPAG-UHFFFAOYSA-N
SMILES CC(C(=O)O)(Cl)Cl
Properties
Chemical formula	C3H4Cl2O2
Molar mass	142.96 g·mol−1
Appearance	colorless oil
Density	1.40 g/cm3 (20 °C)
Melting point	13-15
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H315, H318, H412
GHS precautionary statements	P264, P273, P280, P302+352, P305+351+338, P310, P321, P332+313, P362, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Tracking categories (test):

• SizeSet

2,2-Dichloropropionic acid is the organic compound with the formula CH₃CCl₂CO₂H. A colorless liquid, it once was marketed under the name Dalapon as a selective herbicide used to control perennial grasses. The major use of dalapon was on food crops including sugarcane and sugar beets.

Regulation

Its use is no longer authorized in France.

The National Institute for Occupational Safety and Health in the United States has identified it as a potential workplace hazard. The recommended time-weighted average exposure limit is 6 milligrams per cubic meter during a 10-hour workday.