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Carbonyl sulfide

CAS 463-58-1COSChemical Synthesis

Carbonyl sulfide (CAS: 463-58-1; Formula: COS; MW: 60.08) is a colourless, flammable gas with a distinctive odour. It is a valuable reagent in organic synthesis and finds application as a specialty gas. Its properties make it a key compound in various chemical processes, supplied by Tech Serve Solutions with an assay of ≥97.5%.

IUPAC
Carbon oxysulfide
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Carbonyl sulfide (COS) — chemical structure, CAS 463-58-1; Chemistry, fine chemical supplied by Tech Serve Solutions
Chemical SynthesisSpecialty GasesSynthetic Reagents
01 /Applications

Organic Synthesis

Carbonyl sulfide serves as a versatile reagent in organic synthesis. It is employed in reactions for the preparation of various sulfur-containing organic compounds.

Specialty Gas Applications

As a specialty gas, COS is utilised in specific industrial and research applications where its unique chemical properties are required. This includes its use in calibration and process monitoring.

Chemical Reagent

It functions as a synthetic reagent in the chemical industry, contributing to the creation of diverse chemical products and intermediates.

02 /Properties
Molecular weight60.08
Linear formulaCOS
Assay≥97.5%
Boiling point−50 °C(lit.)
Vapour pressure9034 mmHg (21 °C)
Vapour density2.1 (20 °C, vs air)
Melting point−138 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Toxic (GHS06)
Toxic
Danger

Hazard statements

  • H220Extremely flammable gas
  • H280Contains gas under pressure; may explode if heated
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H331Toxic if inhaled
  • H335May cause respiratory irritation

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
  • P311Call a POISON CENTER or doctor
  • P410Protect from sunlight
Protective equipmentEyeshields, Faceshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US)
Transport (UN / ADR)UN 2204 2.1(2.3)
Water hazard class (WGK, DE)3
Hazard codes (EU)F,Xn
Risk statements (R)11-20-36/37/38
Safety statements (S)16-26-38

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
463-58-1
MDL number
MFCD00011521
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Carbonyl Sulfide (COS) used for?

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Carbonyl sulfide (COS) is primarily used as a reagent in organic synthesis for the preparation of sulfur-containing compounds and as a specialty gas in various industrial and research applications.

What are the CAS number and formula for Carbonyl Sulfide?

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The CAS number for Carbonyl Sulfide is 463-58-1, and its chemical formula is COS.

What grade and purity does Tech Serve Solutions supply for Carbonyl Sulfide?

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Tech Serve Solutions supplies Carbonyl Sulfide with an assay of ≥97.5%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.

How should Carbonyl Sulfide be handled safely?

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Carbonyl Sulfide is a highly flammable gas that is toxic if inhaled and causes skin and serious eye irritation. Handle only with appropriate personal protective equipment, including eyeshields, gloves, and a respirator, in a well-ventilated area, away from ignition sources. Refer to the safety data sheet for comprehensive handling instructions.

How is Carbonyl Sulfide packed and shipped?

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Carbonyl Sulfide is supplied as a compressed gas. It is packed and shipped according to international regulations for hazardous materials, including UN 2204 classification. Tech Serve Solutions is a global supplier and exporter experienced in handling such materials.

How can I request a sample or quote for Carbonyl Sulfide?

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To request a sample or a quote for Carbonyl Sulfide, please contact our sales team through the website or via the provided contact details, specifying the quantity and your location.

Need Carbonyl sulfide in a specific grade or volume?