Dalapon-sodium

Dalapon-sodium

Names
IUPAC name sodium 2,2-dichloropropionate
Other names dalapon proprop DPA[1] sodium 2,2-dichloropropanoate
Identifiers
CAS Number	127-20-8[2]
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL3188445
ChemSpider	29108
EC Number	204-828-5
PubChem CID	517058
UNII	ZAQ365WW9E
InChI InChI=1S/C3H4Cl2O2.Na/c1-3(4,5)2(6)7;/h1H3,(H,6,7);/q;+1/p-1 Key: PDEFQWNXOUGDJR-UHFFFAOYSA-M
SMILES CC(C(=O)[O-])(Cl)Cl.[Na+]
Properties
Chemical formula	C3H3Cl2NaO2
Molar mass	164.94 g·mol−1
Appearance	Pale-coloured powder[1]
Density	1740 kg/cu.m
Melting point	166 °C (331 °F; 439 K) (decomposes)[1]
Solubility in water	629 g/L[1]
Solubility in methanol	369 g/L[1]
Solubility in ethanol	110 g/L[1]
Solubility in acetone	3.25 g/L[1]
Solubility in benzene	0.02 g/L[1]
Hazards
GHS labelling:[3]
Pictograms
Signal word	Danger
Hazard statements	H315, H318, H412
Precautionary statements	P264, P264+P265, P273, P280, P302+P352, P305+P354+P338, P317, P321, P332+P317, P362+P364, P501
Related compounds
Related compounds	Dalapon Dalapon-magnesium Dalapon-calcium
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Dalapon-sodium is the sodium salt of dalapon, a selective herbicide,^[2] used in Australia. Sometimes it is also simply called "dalapon" or "dalapon (present as the sodium salt)",^[4][1] see dalapon for information on dalapon generally.

Dalapon-sodium is an organochloride, the conjugate base of 2,2-dichloropropanoic acid, and usually supplied as a water-soluble powder.^[1] Concentrated solutions hydrolyze over time.^[5]

Dalapon-sodium's mode of action is unknown, which puts it in Group Z / Group 0 under the HRAC classification.^[4]