1,1,1,2,3,3,3-Heptafluoropropane For Fire Suppression Systems

1,1,1,2,3,3,3-Heptafluoropropane for fire suppression systems

1,1,1,2,3,3,3-Heptafluoropropane, also called heptafluoropropane, HFC-227ea (ISO name), HFC-227 or FM-200, as well as apaflurane (INN), is a colourless, odourless gaseous halocarbon commonly used as a gaseous fire suppression agent.

1,1,1,2,3,3,3-Heptafluoropropane's chemical formula is CF₃-CHF-CF₃, or C₃HF₇. With a boiling point of −16.4 °C, it is a gas at room temperature. It is slightly soluble in water (260 mg/L).

HFC 227ea gas is used in fire suppression systems that protect data processing and telecommunication facilities, and in fire suppression of many flammable liquids and gases. HFC-227ea is categorized as a Clean Agent and is governed by NFPA 2001 - Standard for Clean Agent Fire Extinguishing Systems. Effective fire suppression requires introducing a concentration of the HFC-227ea agent between 6.25% and 9% depending on the hazard being suppressed. Its NOAEL for cardiac sensitization is 9%. The United States Environmental Protection Agency allows concentration of 9% volume in occupied spaces without mandated egress time, or up to 10.5% for a limited time. Most fire suppression systems are designed to provide concentration of 6.25-9%.

The HFC-227ea fire suppression agent was the first non-ozone-depleting replacement for Halon 1301. In addition, HFC-227ea leaves no residue on valuable equipment after discharge.

The most common presentations of HFC 227ea are:

13.6 kgs disposable cylinder

1000 kgs TON TANK

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