Dichlorprop

Dichlorprop

Names
IUPAC name (R)-2-(2,4-dichlorophenoxy)propanoic acid
Other names 2,4-DP
Identifiers
CAS Number	120-36-5 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:75375 Y
ChEMBL	ChEMBL573221 Y
ChemSpider	8120 Y
ECHA InfoCard	100.003.991
EC Number	204-390-5
KEGG	C11020 Y
PubChem CID	8427
RTECS number	UF1050000
UNII	J7YV2RKO6Q Y
UN number	3077 2765
CompTox Dashboard (EPA)	DTXSID0020440
InChI InChI=1S/C9H8Cl2O3/c1-5(9(12)13)14-8-3-2-6(10)4-7(8)11/h2-5H,1H3,(H,12,13) Y Key: MZHCENGPTKEIGP-UHFFFAOYSA-N Y InChI=1/C9H8Cl2O3/c1-5(9(12)13)14-8-3-2-6(10)4-7(8)11/h2-5H,1H3,(H,12,13) Key: MZHCENGPTKEIGP-UHFFFAOYAD
SMILES Clc1cc(Cl)ccc1OC(C(=O)O)C
Properties
Chemical formula	C9H8Cl2O3
Molar mass	235.064 g/mol
Appearance	white solid
Melting point	116 to 120 °C (241 to 248 °F; 389 to 393 K) R-isomer
Boiling point	215 °C
Solubility in water	720 mg/L at 20 °C (R-isomer)
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H312, H315, H318
Precautionary statements	P264, P270, P280, P301+P312, P302+P352, P305+P351+P338, P310, P312, P321, P322, P330, P332+P313, P362, P363, P501
Flash point	204 °C (399 °F; 477 K)
Related compounds
Related compounds	2,4-D
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Dichlorprop is a chlorophenoxy herbicide similar in structure to 2,4-D that is used to kill annual and perennial broadleaf weeds. It is a component of many common weedkillers. About 4 million pounds of dichlorprop are used annually in the United States.