Fire Safety Science

Chemori Americas

Chemori227 Clean Agent

Chemori227, more commonly known as HFC-227ea, aims at suppressing fires by removing its heat source. It is safe around occupied areas, non-conductive, non-corrosive, and free from residue. 

HFC-227ea requires less agent to extinguish a flame compared to FK-5-1-12. Consequently, fewer or smaller cylinders are needed for installation, resulting in a cost effective approach. HFC-227ea has a low toxicity rating and does not pose a direct threat to individuals. When following manufacture guidelines, HFC-227ea is safe for occupied areas.

Some applications for HFC-227ea include telecommunications, data centers, military equipment, and medical applications, to new a few. 

Chemical Identification • 1,1,1,2,3,3,3 – Heptaflouro-propane

 

Designation • HFC – 227ea

 

Minimum Extinguishing Con. • Class A – 5.8%. Class B – 6.7%

 

ALC • >80%

 

NOAEL • 9.00%

 

LOAEL • 10.50%

 

Uses • Class A (Surface Burning) Class B, Class C

Chemori227 Chemical & Physical Properties

Properties

Fire Safety Science 227®

TRADE NAME

Chemori227®

ASHRAE DESIGNATION

HFC-227ea

SYNONYM

HFC-227; R-227;

Heptafluoropropane; 2-

Hydroperfluoropropane; 2- Hydroheptafluoropropane; 2-H- Heptafluoropropane; 1,1,1,2,3,3,3- Heptafluoropropane;

Propane,1,1,1,2,3,3,3-Heptafluoro-

MOLECULAR FORMULA

CF3CHFCF3

CAS REGISTRY NUMBER

431-89-0

FORM/ODOR

Colorless, odorless, liquefied

compressed gas

MOLECULAR WEIGHT

170.03

BOILING POINT

-16.4°C / 2.48°F

MELTING POINT

-131°C / -203.8°F

CRITICAL PRESSURE

422.3 psia

CRITICAL TEMPERATURE

101.7°C / 215.1°F

CRITICAL VOLUME

0.0258 ft3/lb

CRITICAL DENSITY

38.76 lb/ft3

CRITICAL COMPRESSIBILITY

0.255

ACENTRIC FACTOR

0.356

DIPOLE MOMENT

1.4309 Debyes

VAPOR PRESSURE @ 21°C/70°F

58.8 psia

VAPOR DENSITY (AIR=1)

6.04

SPECIFIC GRAVITY (H20=1)

1.46

SPECIFIC HEAT, SATURATED LIQUID @ 25 °C/77°F

0.2820 BTU/lb∙oF

SPECIFIC HEAT, SATURATED VAPOR @ 25 °C/77°F

0.2054 BTU/lb∙oF

SPECIFIC HEAT, SUPERHEATED VAPOR @ 25 °C/77°F, 1 atm

0.1932 BTU/lb∙oF

HEAT OF VAPORIZATION @ B.P.

56.7 BTU/lb

THERMAL CONDUCTIVITY, VAPOR @ 25 °C/77°F

0.0073 BTU/lb∙ft∙oF

THERMAL CONDUCTIVITY, LIQUID @ 25 °C/77°F

0.0400 BTU/lb∙ft∙oF

VISCOSITY, VAPOR @ 25 °C/77°F

0.0127 cP

VISCOSITY, LIQUID @ 25 °C/77°F

0.184 cP

SURFACE TENSION @ 25 °C/77°F

7.0 dynes/cm

WATER SOLUBILITY @ 20°C/68°F

260 mg/L