Substance Information

NameAcetic acid
CAS No64-19-7
EC No200-580-7
EC Index No607-002-00-6
FormulaC2H4O2
SMILESO=C(O)C
InChIInChI=1/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
UN Number2789
Molar Heat of Combustion873 kJ/mol
NFPA Flammability ClassClass II
Vapour Density2.0728
Volumetric Heat Capacity2150406 J/m3·K
Stoichiometric Concentration9.4823 %v
Substance TypeFlammable
State of MatterLiquid
Molecular Weight60.05 g/mol
Molar Volume57.245 cm3/mol
Density1.049 g/cm3
Boiling Point118–119°C
Melting Point16–17°C
Specific Heat of Vaporization870.94 kJ/kg
Molar Enthalpy of Vaporization52.3 kJ/mol
Specific Heat Capacity2050 J/kg·K
Molar Heat Capacity123.1 J/mol·K
Specific Heat of Combustion14538 kJ/kg
Autoignition Temperature427°C (700.15 K)
Flash Point39°C
Lower Flammability Limit5.4 %v
Upper Flammability Limit16 %v
RMP Density Factor0.4627 ft2/lb
RMP Liquid Factor Boiling0.103
ERPG-1 Concentration5 ppm
ERPG-2 Concentration35 ppm
ERPG-3 Concentration250 ppm
AccessPublic
Created: Serkan GIRGIN, 2013/12/11 11:57:35 – Updated: Serkan GIRGIN, 2016/05/30 09:01:08

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