CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Colorless liquid; [ICSC] Liquid with an unpleasant odor; May be decomposed by light and air; [MSDSonline] |
|---|---|
| Color/Form | Colorless oil |
| Odor | Technical grade demeton has a pronounced mercaptan-like odor. |
| Boiling Point | 128 °C at 1 mm Hg |
| Solubility | Soluble in most organic solvents. |
| Density | Specific gravity: 1.132 at 21 °C |
| Vapor Density | Relative vapor density (air = 1): 8.92 |
| Vapor Pressure | 0.000262 [mmHg] |
| Stability/Shelf Life | Thin films undergo conversion to more hydrophilic compounds when exposed to air and light. |
| Decomposition | When heated to decomposition it emits toxic fumes of /phosphorous and sulfur oxides/. |
| Refractive Index | INDEX OF REFRACTION: 1.5 @ 18 °C/D |
| Kovats Retention Index | 1706 1705.8 1707.2 1699.7 1701.7 1704.8 |
| Chemical Classes | Pesticides -> Organophosphate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Skull and Crossbones Acute Toxicity GHS06 |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. 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 | 258.3 g/mol |
|---|---|
| XLogP3 | 2.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 9 |
| Exact Mass | 258.05132381 g/mol |
| Monoisotopic Mass | 258.05132381 g/mol |
| Topological Polar Surface Area | 86.1 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 168 |
| 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
Demeton-S is an organothiophosphorus compound.

