CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Paraquat dichloride is a colorless to yellow crystalline solid. Used as a contact herbicide and desiccant. (EPA, 1998) |
|---|---|
| Boiling Point | Decomposes (NIOSH, 2023) |
| Melting Point | Decomposes 572 °F (EPA, 1998) |
| Solubility | greater than or equal to 100 mg/mL at 66 °F (NTP, 1992) |
| Density | 1.24 to 1.26 at 68 °F (NTP, 1992) |
| Vapor Pressure | Approximately 0 (EPA, 1998) |
| LogP | -4.5 |
| Decomposition | 300 °C |
| Chemical Classes | Pesticides -> Herbicides, Bipyridyl |
COMPUTED DESCRIPTORS
| Molecular Weight | 257.16 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 256.0534038 g/mol |
| Monoisotopic Mass | 256.0534038 g/mol |
| Topological Polar Surface Area | 7.8 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 145 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 3 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Paraquat dichloride is a colorless to yellow crystalline solid. Used as a contact herbicide and desiccant. (EPA, 1998)