2104-64-5
Product Name:
EPN
Formula:
C14H14NO4PS
Synonyms:
O-Ethyl O-(4-nitrophenyl) phenylphosphonothioate;O-Ethyl O-(4-nitrophenyl) phenylphosphonothioate solution
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Light yellow crystalline powder with an aromatic odor. Used as an insecticide for cotton and an acaricide. (EPA, 1998) |
|---|---|
| Color/Form | Light yellow crystals |
| Odor | Aromatic odor |
| Boiling Point | 215 °C @ 5 mm Hg |
| Melting Point | 97 °F (EPA, 1998) |
| Solubility | Insoluble (NIOSH, 2023) |
| Density | 1.268 at 77 °F (EPA, 1998) - Denser than water; will sink |
| Vapor Pressure | 0.0003 mmHg at 212 °F (EPA, 1998) |
| LogP | log Kow= 4.78 |
| Stability/Shelf Life | Stable in neutral and acidic media but hydrolyzed by alkali to liberate p-nitrophenol. |
| Decomposition | The substance decomposes under influence of alkalies (hydrolysis) forming p-nitrophenol |
| Corrosivity | Non-corrosive |
| Refractive Index | Specific gravity: 1.27 at 25 °C/4 °C; index of refraction: 1.5978 at 30 °C/D /Technical EPN/ |
| Collision Cross Section | 168.7 Ų [M+H]+ |
| Kovats Retention Index | 2425.5 2410.3 2448.1 2430.6 2408.1 |
| Other Experimental Properties | Dark amber-colored liquid. /Technical EPN/ |
| 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 |
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 | 323.31 g/mol |
|---|---|
| XLogP3 | 4.4 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 5 |
| Exact Mass | 323.03811610 g/mol |
| Monoisotopic Mass | 323.03811610 g/mol |
| Topological Polar Surface Area | 96.4 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 387 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Light yellow crystalline powder with an aromatic odor. Used as an insecticide for cotton and an acaricide. (EPA, 1998)