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Acetic acid can never be truly water-free in an atmosphere that contains water, so the presence of 0.1% water in glacial acetic acid lowers its melting point by 0.2 °C. [ 9 ] A common symbol for acetic acid is AcOH (or HOAc), where Ac is the pseudoelement symbol representing the acetyl group CH 3 −C(=O)− ; the conjugate base , acetate ( CH ...
Boiling point (°C) K b (°C⋅kg/mol) Freezing point (°C) ... Aniline: 184.3 3.69 –5.96 –5.87 K b & K f [1] Lauric acid: 298.9 44 –3.9 Acetic acid: 1.04 117.9 ...
Critical point: 593 K (320 °C), 57.8 bar Eutectic point with water –26.7 °C Std enthalpy change ... log 10 of acetic acid vapor pressure vs. temperature.
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
Modern practice is to add the oxime solution resulting from the nitrosation and the zinc dust gradually to a well-stirred solution of ethyl acetoacetate in glacial acetic acid. The reaction is exothermic , and the mixture can reach the boiling point, if external cooling is not applied.
Isoamyl acetate, also known as isopentyl acetate, is an ester formed from isoamyl alcohol and acetic acid, with the molecular formula C 7 H 14 O 2. It is a colorless liquid that is only slightly soluble in water, but very soluble in most organic solvents. Isoamyl acetate has a strong odor which is described as similar to both banana and pear. [3]
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Boiling point: 150 to 400 °C (302 to 752 °F; 423 to 673 K) ... Slightly Solubility: alc, chloroform, ether, acetone, glacial acetic acid, fixed/volatile oils ...