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KHP dissociates completely in water, giving the potassium cation (K +) and hydrogen phthalate anion (HP − or Hphthalate −) KHP K + + HP −. and then, acting as a weak acid, hydrogen phthalate reacts reversibly with water to give hydronium (H 3 O +) and phthalate ions. HP − + H 2 O ⇌ P 2− + H 3 O +
It is a dibasic acid, with pK a s of 2.89 and 5.51. The monopotassium salt, potassium hydrogen phthalate is a standard acid in analytical chemistry. Typically phthalate esters are prepared from the widely available phthalic anhydride. Reduction of phthalic acid with sodium amalgam in the presence of water gives the 1,3-cyclohexadiene derivative ...
Phthalates (US: / ˈ θ æ l eɪ t s / UK: / ˈ (f) θ æ l eɪ t s ˌ ˈ (f) θ æ l ɪ t s / [1] [2]), or phthalate esters, are esters of phthalic acid. They are mainly used as plasticizers, i.e., substances added to plastics to increase their flexibility, transparency, durability, and longevity. They are used primarily to soften polyvinyl ...
It is a phthalate and is the diester of phthalic acid and the 10-carbon branched-chain alcohol 2-propylheptanol. This colorless, viscous liquid is used for softening PVC plastics and is a general purpose PVC plasticizer. [2] It possesses very good plasticizing properties and may be used as a direct replacement for DEHP and DINP in many ...
I edited it to point to the first Google result for "potassium hydrogen pthalate MSDS" which is the page hosted on the J.T Baker website. If that's a problem, someone else can fix it, but it is pretty silly to use a reference behind a passworded site 64.252.38.236 ( talk ) 15:38, 6 April 2008 (UTC) [ reply ]
Potassium hydride is produced by direct combination of the metal and hydrogen at temperatures between 200 and 350 °C: 2 K + H 2 → 2 KH. This reaction was discovered by Humphry Davy soon after his 1807 discovery of potassium, when he noted that the metal would vaporize in a current of hydrogen when heated just below its boiling point. [4]: p.25
Bis(2-ethylhexyl) phthalate (di-2-ethylhexyl phthalate, diethylhexyl phthalate, diisooctyl phthalate, DEHP; incorrectly — dioctyl phthalate, DIOP) is an organic compound with the formula C 6 H 4 (CO 2 C 8 H 17) 2. DEHP is the most common member of the class of phthalates, which are used as plasticizers.
It can be prepared by treating a potassium-containing base such as potassium hydroxide or potassium carbonate with acetic acid: CH 3 COOH + KOH → CH 3 COOK + H 2 O. This sort of reaction is known as an acid-base neutralization reaction. At saturation, the sesquihydrate in water solution (CH 3 COOK·1½H 2 O) begins to form semihydrate at 41.3 ...