1211 extinguishant is a colorless, slight aromatic liquefied gas, b. P. -3.4° C and has such advantages as high effective, low poisonous, low corrosive, good isolative, no residue after long storage, no trace after extinguishing fire, etc. Halon 1211 extinguishant is a kind of high effective, clean extinguishant. Which is suitable to extinguish type B/C fire, and mainly filled in mobile extinguisher in the essential spots.
Physical Properties
Formula CF2CIBr
Molecular weight 165.36
B. P. ° C -3.4
Critical temperature, ° C 154
Critical pressure, Mpa 4.30
Critical density, kg/m3 713
Vapor Pressure(20° C), Mpa 0.229
Liquid Denisty, 20° C), kg/m3 16.84
ODP 4
Concentrations in extinguishing superficial fire 5%
NOAEL 0.5%
Quailty standad
GB4065-83, corresponding to ISO72011: 1989(E)
Purity, ≥ %: 99.0
Water, mg/kg ≤ 20
Acidity (as HF), mg/kg ≤ 3
Halo-ion pass
Residue on evaporation, mg/kg ≤ 80
Color not deeper than No. 15

Packing
Filled in cylinders, each 1000kg net. Its category of dangerous goods is 2.2, and its packing category is two grade.
Security
The filled cylinder is under pressure, and ought to be avoider bumping, falling, exposure and heat sourse during transport and storage.