556-64-9
Product Name:
Methyl thiocyanate
Formula:
C2H3NS
Synonyms:
Thiocyanic acid methyl ester
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Methyl thiocyanate is a colorless liquid and an odor of onions. Used as an agricultural insecticide, a fumigant and as a research chemical. No evidence of commercial production in the U.S. (EPA, 1998) |
|---|---|
| Color/Form | COLORLESS LIQUID |
| Odor | ONION ODOR |
| Boiling Point | 266 to 271 °F at 760 mmHg (EPA, 1998) |
| Melting Point | -60 °F (EPA, 1998) |
| Solubility | VERY SLIGHTLY SOL IN WATER; MISCIBLE WITH ALC, ETHER |
| Density | 1.068 at 77 °F (EPA, 1998) - Denser than water; will sink |
| Vapor Pressure | 10 mmHg at 70.88 °F (EPA, 1998) |
| Stability/Shelf Life | VOLATILE |
| Decomposition | When heated to decomposition it emits very toxic fumes of NOx and SOx. |
| Refractive Index | INDEX OF REFRACTION: 1.4669 @ 25 °C/D |
| Kovats Retention Index | 665 665 |
| Chemical Classes | Pesticides -> Other Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 73.12 g/mol |
|---|---|
| XLogP3 | 0.9 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 72.99862027 g/mol |
| Monoisotopic Mass | 72.99862027 g/mol |
| Topological Polar Surface Area | 49.1 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 41.2 |
| 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
Methyl thiocyanate is a colorless liquid and an odor of onions. Used as an agricultural insecticide, a fumigant and as a research chemical. No evidence of commercial production in the U.S. (EPA, 1998)