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Уровень токсичности и взрывопожароопасности газов


GAS
FORMULA
DENSITY
AIR=1
EX
GROUP
LEL
% v/v
TWA
8 h
ppm
STEL
15 min
ppm
Acetaldehyde C2H4O 1,52 IIA 4.0 - 25
Acetic acid C2H4O2 2.07 IIA 4.0 10 15
Acetone C3H6O 2.01 IIA 2.5 500 630
Acetonitril C2H3N 1.42 IIA 3.0 40 60
Acetylene C2H2 0.90 IIC 2.3 - -
Acrylonitrile C3H3N 1.83 IIB 2.8 2 4
Ammonia NH3 0.59 IIA 16.0 25 40
Arsine AsH3 2.69 IIC 3.9 0.003 -
Benzene C6H6 2.70 IIA 1.2 5 15
Buta-1,3-diene C4H6 1.87 IIB 1.4 1 -
Carbon dioxide CO2 1.52 - - 5000 -
Carbon disulphide CS2 1.63 IIC 0.6 5 -
Carbon monoxide CO 0.97 IIA / IIB 10.9 30 75
Chlorine Cl2 2.45 - - 0.5 1
Chlorine dioxide ClO2 2.33 - - 0.1 0.3
Cyclohexane C6H12 2.91 IIA 1.2 300 380
Dimethyl ether C2H6O 1.59 - 2.7 400 500
Ethanol C2H5OH 1.59 IIA / IIB 3.5 1000 1300
Ethene C2H4 0.97 IIB 2.3 - -
Ethyl acetate C4H8O2 3.04 IIA 2.1 300 500
Etylene oxide C2H4O 1.52 IIB 2.6 1 -
Fluorine F2 1.31 - - 1 2
Formaldehyde CH2O 1.04 IIB 7.0 0.3 -
Formic acid CHO2 1.59 IIA 10.0 5 10
Hydrazine N2H4 1.11 - 4.7 0.1 0.3
Hydrogen H2 0.07 IIC 4.0 - -
Hydrogen Chloride HCl 1.26 - - - 5
Hydrogen Cyanide HCN 0.93 IIB 5.4 - 10
Hydrogen Fluoride HF 0.69 - 4.75 - < 3
Hydrogen Sulphide H2S 1.18 IIB 4.3 0.1 15
iso-Propanol C3H8O 2.08 IIA 2.0 200 250
Kerosene (HC) ~4.5 IIA 0.6 - -
Methacrylic acid C4H6O2 2.97 IIB 1.6 20 -
Methane CH4 0.55 I 4.4 - -
Methanol CH4O 1.11 IIA 5.5 200 250
Methyl Bromide CH3Br 3.28 IIA 13.5 5 10
Methyl Chloride CH3Cl 1.74 IIA 7.6 50 75
Methyl Ethyl Ketone C4H8O 2.49 IIA 1.8 200 300
Methyl metacrylate C5H8O2 3.46 IIA 2.1 10 50
Naphthalene C10H8 4.43 IIA 0.9 10 20
n-Butane C4H10 2.01 IIA 1.4 800 1000
n-Butyl acrylate C7H12O2 4.43 IIB 1.2 10 20
n-Heptane C7H16 3.46 IIA 1..1 300 500
n-Hexane C6H14 2.98 IIA 1.0 50 150
Nitric Oxide NO 1.04 - - 25 -
Nitrogen N2 0.97 - - - -
Nitrogen dioxide NO2 1.59 - - 3 6
Nitrous oxide N2O 1.52 - - 100 -
n-Octane C8H18 3.94 IIA 0.8 300 380
n-Pentane C5H12 2.49 IIA 1,4 500 630
Oxygen O2 1.10 - - - -
Ozone O3 1.66 - - 0.05 0.2
Phenole C6H6O 3.25 IIA 1.3 5 10
Phosgene COCl2 3.42 - - - 0.05
Phosphine PH3 1.17 - 1.0 0.1 0.3
Propane C3H8 1.52 IIA 1.7 - -
Propene C3H6 1.45 IIA 2.0 - -
R113 C2Cl2F4 6.47 - - 1000 1250
R134a C2H2F4 3.52 - - 1000 -
R21 CHCl2F 3.55 - - 10 -
R22 CHClF2 3.99 - - 1000 -
R401A 53xR22+13xR152a +34xR124 3.26 - - 1000 -
R404A 44xR125+52xR143a +4xR134a 3.37 - - 1000 -
R407C 23xR32+25xR125 +52xR143a 3.00 - - 1000 -
Styrene C8H8 3.60 IIA 1.1 20 100
Sulphur dioxide SO2 2.21 - - 1 4
Sulphur hexafluoride SF6 5.04 - - 1000 1300
Toluene C7H8 3.18 IIA 1.2 50 100
Trichloroethene C2HCl3 4.54 IIA 7.9 30 45
Turpentine C10H16 4.70 IIB > 0.8 100 150
White Spirit (HC) ~4.4 IIB 0.8 - -
Vinyl chloride C2H3Cl 2.16 IIA 3.8 3 20
Xylene C8H10 3.67 IIA 1.0 100 150