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Property |
Halotron I |
Halon 1211 |
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Chemical Formula (1) |
C2HCl2F3 (HCFC-123)
+ Prop. Gas Mixture |
CF2C1Br |
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Ozone Depletion Potential (ODP)
(CFC-11 = 1.0) |
0.014 |
4 |
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Global Warming Potential (GWP) (2)
(100 year CO2 based ITH) |
140 to 840
0.04 to 0.24 (CFC-1=1.0) |
Non Calculated |
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Atmospheric Lifetime
in Years (2) |
3.5 to 11 |
12.5 > 25 |
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Molecular Weight |
150.7 |
165.4 |
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Boiling Point (3) |
80.6°F (27°C) |
25°F (-4°C) |
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Liquid Density at 25 °C |
92.3 lb/ft3 (1.48 kg/l) |
111.6 lb/ft³ |
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Vapor Pressure at 25 °C (4) |
95 psi (6.55 bar) |
38.7psi (2.67 bar) |
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Extinguishing Concentration:
n-heptane Cup Burner |
6-7 % by vol. |
3-5% by vol. |
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Acute Toxicity: Cardiotox LOAEL (5)
(Lowest Observed Adverse Effect Level) |
2% |
1.0% |
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Acute Toxicity: Cardiotox NOAEL (5)
(No Observed Adverse Effect Level) |
1% |
0.5% |
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Acute Toxicity: ALC, LC50 (4 hours) |
3% |
3.1 to 10% |
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 Halotron I is a proprietary blend of HCFC-123 and two gases.
Calculated values from a range of environmental models.
At 1 atm., 70% liquid fill ratio.
In a typical storage container (the vapor pressure of the liquid alone is less).
Data from U.S. EPA.
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Aviation Fire Protection