Carbon monoxide is a colorless, odorless, flammable, toxic gas. High-purity carbon monoxide that is dry and free of sulfur compounds is normally noncorrosive to metals at atmospheric pressure. Several different grades of carbon monoxide are available to support various applications. These grades range in purity from commercial grade at 98.0% to research grade at 99.99%. CO Gas Uses - It is used in the production of methanol. It is used in the packaging of fresh meat products such as fish, beef, etc. It is used as a strong reducing agent. It is used in infrared lasers. It is used in beverages and food like jam and cola to acidify them. It is used to remove rust from the surface to metals. Ankur Speciality Gases provide CO gas with purity 99.97% for your Research grade .