Under normal temperature and pressure, Heptafluoropropane(HFC227EA) is a kind of colorless gas, and is a compressed liquefied gas to be stored in culinders. Heptafluoropropane(HFC227EA) extinguishant is an ideral substitute of Halon 1301, and is clean, low poisonous, and has a good fire-protecting effect. It is mainly used in total-flood extinguishing system.

Physical Properties
Formula CF3CHFCF3
Molecular weight 170
B. P. ° C -16.4
Vapor Pressure(20° C), Mpa 0.391
Liquid Denisty, (20° C), kg/m3 14
Saturated capor density, (20° C), kg/m3 31.176
Fire-extinguishing concentrations in cup burner, % (V/V) 5.8
Least designing concentration, % (V/V) 7
NOAEL 9.0
ODP 0
Quailty standad
Purity, ≥ %: 99.6
Water, mg/kg ≤ 10
Acidity (as HF), mg/kg ≤ 1
Residue on evaporation, % (m/m) 0.01
Suspending substance or deposition invisible
Packing
Filled in cylinders, each 1000kg net. Its category of dangerous goods is 2.2, and its packing category is second grade.
Security
The filled cylinder is under pressure, and ought to be avoider bumping, falling, exposure and heat sourse during transport and storage.