298-02-2
Product Name:
Phorate
Formula:
C7H17O2PS3
Synonyms:
O,O-Diethyl S-(ethylthiomethyl) phosphorodithioate
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Phorate is a clear liquid with an objectionable odor. Used as an insecticide and acaricide; it is applied to plants and soil. (EPA, 1998) |
|---|---|
| Color/Form | Pale straw to light brown; colorless to very light yellow liquid. |
| Odor | Skunk-like odor |
| Boiling Point | 257 to 261 °F at 2 mmHg (EPA, 1998) |
| Melting Point | -45 °F (EPA, 1998) |
| Flash Point | 320 °F (NIOSH, 2023) |
| Solubility | 0.005 % (NIOSH, 2023) |
| Density | 1.156 at 77 °F (EPA, 1998) - Denser than water; will sink |
| Vapor Pressure | 0.00084 mmHg at 68 °F (EPA, 1998) |
| LogP | log Kow = 3.56 |
| Stability/Shelf Life | Stable at room temp. |
| Decomposition | When heated to decomposition it emits toxic fumes of /phosphorous and sulfur oxides/. |
| Ionization Efficiency | Positive |
| Refractive Index | Index of refraction: 1.5329 @ 25 °C/D |
| Kovats Retention Index | 1688 1675 1659.1 1680.1 1641 1670.6 1677.2 1667.8 1675 1678.1 1675.4 1678.5 |
| Other Experimental Properties | Colorless liquid; mp: below-15 °C; bp: 118-120 °C at 0.8 mm Hg; index of refraction: 1.5349 at 25 °C/D /Technical phorate, >90%/ |
| Chemical Classes | Pesticides -> Organophosphate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P262:Do not get in eyes, on skin, or on clothing. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
COMPUTED DESCRIPTORS
| Molecular Weight | 260.4 g/mol |
|---|---|
| XLogP3 | 3.6 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 8 |
| Exact Mass | 260.01283030 g/mol |
| Monoisotopic Mass | 260.01283030 g/mol |
| Topological Polar Surface Area | 101 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 156 |
| 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 | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Phorate is a clear liquid with an objectionable odor. Used as an insecticide and acaricide; it is applied to plants and soil. (EPA, 1998)