CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Mevinphos is a pale yellow to orange liquid, with a weak odor. Used as an insecticide and acaricide on vegetables, alfalfa, deciduous fruits and nuts. (EPA, 1998) May be found in the form of a dry mixture where the liquid is absorbed onto a dry carrier. |
|---|---|
| Color/Form | PALE YELLOW LIQUID |
| Odor | Weak odor |
| Boiling Point | 223 to 226 °F at 1 mmHg (EPA, 1998) |
| Melting Point | 44.4 to 70 °F trans isomer / cis isomer (EPA, 1998) |
| Flash Point | 175 °F (EPA, 1998) |
| Solubility | Miscible (NIOSH, 2023) |
| Density | 1.25 at 68 °F (EPA, 1998) - Denser than water; will sink |
| Vapor Pressure | 0.0029 mmHg at 70 °F (EPA, 1998) |
| LogP | log Kow = 0.13 |
| Stability/Shelf Life | MODERATELY STABLE IN NEUTRAL SOLN, ... REMAINED EFFECTIVE BIOLOGICALLY AFTER STANDING 7 DAYS |
| Decomposition | Toxic gases and vapors ( ... phosphoric acid mist and carbon monoxide) may be released in a fire involving phosdrin. |
| Corrosivity | IT IS CORROSIVE TO CAST IRON, MILD AND SOME STAINLESS STEELS, & BRASS |
| Refractive Index | INDEX OF REFRACTION: 1.4494 @ 20 °C/D |
| Collision Cross Section | 146.02 Ų [M+Na]+ 136.8 Ų [M+H]+ |
| Kovats Retention Index | 1405.7 1390 1396 1406 1394 1450 1397.9 1384.3 1395.2 1439.6 1450 1389 1391 1450 1414.5 |
| Other Experimental Properties | MP: 21 °C; DENSITY: 1.2345 @ 20 °C; INDEX OF REFRACTION: 1.4452 @ 20 °C/D /(E)-ISOMER/ |
| Chemical Classes | Pesticides -> Organophosphate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H331:Acute toxicity,inhalation H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P350:IF ON SKIN: Gently wash with plenty of soap and water. |
COMPUTED DESCRIPTORS
| Molecular Weight | 224.15 g/mol |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 6 |
| Exact Mass | 224.04497513 g/mol |
| Monoisotopic Mass | 224.04497513 g/mol |
| Topological Polar Surface Area | 71.1 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 263 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 1 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Mevinphos is a pale yellow to orange liquid, with a weak odor. Used as an insecticide and acaricide on vegetables, alfalfa, deciduous fruits and nuts. (EPA, 1998) May be found in the form of a dry mixture where the liquid is absorbed onto a dry carrier.