CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Carbonyl sulfide is a colorless, poisonous, flammable gas with a distinct sulfide odor. The gas is toxic and narcotic in low concentrations and presents a moderate fire hazard. Under prolonged exposure to fire or intense heat the container may rupture violently or rocket. It is used in the synthesis of organic thio compounds. |
|---|---|
| Color/Form | Colorless gas |
| Odor | Odorless when very pure |
| Boiling Point | -50 °C |
| Melting Point | -138.8 °C |
| Solubility | In water, 1,220 mg/L at 25 °C |
| Density | 2.456 g/L |
| Vapor Density | 2.1 (Air = 1) (gas) |
| Vapor Pressure | 9410.0 [mmHg] |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | Hazardous decomposition products formed under fire conditions: Carbon oxides, sulfur oxides. |
| Corrosivity | Attacks metals in the presence of moisture and is involved in atmospheric sulfur corrosion |
| Heat of Vaporization | 27.51 kJ/mole at 25 °C |
| Kovats Retention Index | 277 |
| Other Experimental Properties | Burns with bluish flame |
| Chemical Classes | Toxic Gases & Vapors -> Other Toxic Gases & Vapors |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Flame Flammables GHS02 ![]() Gas Cylinder Compressed Gases GHS04 ![]() Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H221:Flammable gases H280:Gases under pressure H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H330:Acute toxicity,inhalation 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. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P410+P403:Protect from sunlight. Store in a well-ventilated place. |
COMPUTED DESCRIPTORS
| Molecular Weight | 60.08 g/mol |
|---|---|
| XLogP3 | 1.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 59.96698579 g/mol |
| Monoisotopic Mass | 59.96698579 g/mol |
| Topological Polar Surface Area | 49.2 Ų |
| Heavy Atom Count | 3 |
| Formal Charge | 0 |
| Complexity | 27.8 |
| 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 | No |
PRODUCT INTRODUCTION
description
Carbonyl sulfide is a colorless, poisonous, flammable gas with a distinct sulfide odor. The gas is toxic and narcotic in low concentrations and presents a moderate fire hazard. Under prolonged exposure to fire or intense heat the container may rupture violently or rocket. It is used in the synthesis of organic thio compounds.



