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298-02-2

298-02-2 structural image
Product Name: Phorate
Formula: C7H17O2PS3
Synonyms: O,O-Diethyl S-(ethylthiomethyl) phosphorodithioate
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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)