Other specifications of packaging can be provided according to customer requirements
High-Purity Carbonyl Sulfide COS Gas 99.90% Purity
High-Purity Carbonyl Sulfide COS Gas 99.90% Purity
Technical Specifications
1. Basic Information
| Item | Specification |
| Product Name | Carbonyl Sulfide |
| Formula | COS |
| CAS NO | 463-58-1 |
| Purity | 99.90% / 100.00% |
| Capacity | 200 T/Y (Tons/Year) |
| Package | 44L / 470L, CGA330 Valve |
2. Physical and Chemical Properties
| Property | Value |
| Appearance and properties | Colorless gas with an unpleasant odor |
| PH value | N/A |
| Melting point (°C) | -138.8 |
| Boiling point (°C) | -50.2 |
| Relative density (water = 1) | 1.19 (Liquid) |
| Relative density (air = 1) | 2.1 |
| Saturated vapor pressure (kPa) | 1250 (at 25°C) |
| Critical temperature (°C) | 105 |
| Critical pressure (MPa) | 6.1 |
| Heat of combustion (kJ/mol) | -552 |
| Flash point (°C) | N/A (Flammable Gas) |
| Ignition temperature (°C) | 246 |
| Explosion limits (% V/V) | 12.0 - 29.0 |
| Flammability | Highly Flammable |
| Partition coefficient (n-octanol/water) | N/A |
| Solubility | Soluble in water, ethanol, and ether |
Packaging & Delivery
To meet the purchasing needs of customers of different scales, we provide flexible packaging solutions that comply with safety regulations:
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Cylinder Volume: Available in standard 44L cylinders or large-capacity 470L cylinders.
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Valve Type: Equipped with the internationally recognized standard CGA330 valve, ensuring interface compatibility and sealing safety.
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Custom Services: Professional logistics packaging and palletizing services are available based on order volume and sea freight/hazardous materials transportation requirements.
Why Choose Us?
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Ultimate Purity Control: Utilizing advanced purification processes, our highest purity can reach 100.00%, minimizing impurities to the lowest limit and perfectly matching the strict quality standards of high-end manufacturing sectors.
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Strong Capacity Guarantee: With an annual production capacity of up to 200 tons, we are fully capable of undertaking large, long-term orders, providing the most solid supply chain backing for your business.
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Professional Safety & Compliance: Standardized cylinders paired with industry-standard valves maximize the safety of the gas during long-distance transportation and terminal operations.
Applications
As an important sulfur-containing compound, Carbonyl Sulfide (COS) is widely used in the following fields:
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Agrochemicals (e.g., as a synthesis intermediate for herbicides and insecticides)
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Organic synthesis reactions in the pharmaceutical industry
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Specialty etching gases in the semiconductor industry
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Base material for the formulation of fumigants and odorants
