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inquiryAbout Product Technical Details Potassium hydrogen phthalate Chemical Properties Melting point 295-300 °C (dec.) (lit.) Boiling poin
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inquiryPotassium hydrogen phthalate Basic information Product Name: Potassium hydrogen phthalate CAS: 877-24-7 MF: C8H5KO4 MW: 204.22 EINECS: 212-889-4 Mol File: 877-24-7.mol Potassium hydrogen phthalate Structure Potassium hydrogen phth
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Potassium hydrogen phthalate CAS:877-24-7 Specification items specification testing results assay,% ≥99.8 99.8 ph 3.8-4.2
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inquiryHigh purity 877-24-7 best price Potassium hydrogen phthalate manufacturer Molecular Formula C8H5KO4 Molar Mass 204.22 Density 1.006g/mLat 20°C Melting Point 295-300 °C (dec.) (lit.)
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inquiryProduct Name:Potassium hydrogen phthalateSynonyms:BUFFER;BUFFER CONCENTRATE, PH 6.00;BUFFER CONCENTRATE, PH 7.00;BUFFER MIXTURE, PH 6.8;BUFFER O;BUFFER, PH 1.0;BUFFER, PH 1.00;BUFFER, PH 11.00CAS:877-24-7MF:C8H5KO4MW:204.22EINECS:212-889-4P
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inquirypotassium hydrogen phthalate
Conditions | Yield |
---|---|
With water-d2 In water at 34.9℃; Equilibrium constant; |
Conditions | Yield |
---|---|
In water mixed at 1:1 ratio, evapd.; recrystn.; |
Conditions | Yield |
---|---|
With potassium hydroxide In water | |
With potassium hydroxide In water at 20℃; for 0.5h; |
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 20℃; for 4h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 180 °C 2: potassium hydroxide / ethanol / 4 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
In water at 20℃; for 12h; | 100% |
Conditions | Yield |
---|---|
In water byproducts: KCl; dissolving of (Co(NH3)6)Cl3 (1 equiv.) in hot water, addn. of potassium hydrogen phthalate (3 equiv.); slow cooling; crystn. for a few hours; filtration, crystn. from supernatant soln., combining of cryst.; drying in air; elem. anal.; | 99% |
potassium hydrogen phthalate
benzene-1,2-dicarboxylic acid
phthalic anhydride
Conditions | Yield |
---|---|
Stage #1: benzene-1,2-dicarboxylic acid With trichloroisocyanuric acid; triphenylphosphine In dichloromethane at 0 - 20℃; Stage #2: potassium hydrogen phthalate In dichloromethane at 20℃; for 1h; | 95% |
potassium hydrogen phthalate
2-(2-(2-(2-(prop-2-yn-1-yloxy)ethoxy)ethoxy)ethyl)isoindoline-1,3-dione
Conditions | Yield |
---|---|
With sodium iodide In N,N-dimethyl-formamide at 80℃; | 94% |
With sodium iodide In N,N-dimethyl-formamide at 80℃; | 5.7 g |
potassium hydrogen phthalate
nickel(II) acetate tetrahydrate
4-Methylimidazole
Conditions | Yield |
---|---|
In ethanol; water aq. soln. of Ni salt was added to warm soln. of K salt and 4-methylimidazole in EtOH; stirred under reflux for 1 h; filtered; washed (H2O, EtOH); dried in air; elem. anal.; | 90% |
potassium hydrogen phthalate
thiourea
Conditions | Yield |
---|---|
In water hot aq. soln. potassium monohydrogenphthalate was added rapidly to hot soln. Cu complex and thiourea in water; ppt. was collected and washed with water; elem. anal.; | 84% |
1-chloro-4-pentyne
potassium hydrogen phthalate
N-(pent-4-ynyl)phthalimide
Conditions | Yield |
---|---|
With sodium iodide In N,N-dimethyl-formamide at 100℃; for 12h; | 78% |
[2,2]bipyridinyl
potassium hydrogen phthalate
cobalt(II) diacetate tetrahydrate
[(2,2'-bipyridine)(o-phthalate)aquacobalt(II)]
Conditions | Yield |
---|---|
In methanol a soln. of K salt added to a soln. of Co salt and bipy, heated for 1 h; crysts. filtered, washed (methanol), dried (air); elem. anal.; | 75.6% |
Conditions | Yield |
---|---|
With NH3 In ammonia aq. ammonia=NH3; molar ratio Ag:phthalate=2:1, in 10% NH3; crystn. on evapn. (room temp., in dark, several weeks); elem. anal.; | 75% |
potassium hydrogen phthalate
p-toluenesulfonic acid 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethyl ester
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 120℃; Inert atmosphere; | 73% |
potassium hydrogen phthalate
(R)-4-chloromethyl-2,2-dimethyl-1,3-dioxolane
Conditions | Yield |
---|---|
With pyridine In dimethylsulfoxide-d6 for 24h; Solvent; Reflux; | 72% |
4-methyl-1H-imidazole
potassium hydrogen phthalate
cobalt(II) diacetate tetrahydrate
Conditions | Yield |
---|---|
In water a soln. of Co-contg. compd. (5 mmol) in water was added to a hot soln. of KHPht (5 mmol) and 4-MeIm (10 mmol) in water; the mixt. was stirred and heated for 30 min and left to stand overnight at room temp.; the crystals were filtered off, washed with water and ethanol and dried in air; elem. anal.; | 70% |
potassium hydrogen phthalate
Conditions | Yield |
---|---|
With pyridine In dimethylsulfoxide-d6 for 24h; Solvent; Reflux; | 69% |
Conditions | Yield |
---|---|
In water soln. of 4,4'-bipyridine (10 mmol) and potassium hydrogen phthalate (10 mmol) in H2O (25 ml) added to soln. of Zn acetate (10 mmol) in H2O (10 ml), refluxed for 1 h, cooled; ppt. filtered off, washed (H2O), air-dried; elem. anal.; | 68.18% |
picoline
potassium hydrogen phthalate
copper ortho-phthalic acid γ-picoline complex
Conditions | Yield |
---|---|
In water CuCl2 and picoline addn. to hot soln. of phthalate, heating and stirring(30 min), cooling; ppt. filtration off, washing (water, ethanol, ether); elem. anal.; | 53% |
2-methylimidazole
potassium hydrogen phthalate
[Ni(2-methylimidazole)2(phthalate)(H2O)3]*H2O
Conditions | Yield |
---|---|
In water aq. soln. of Ni salt was added to warm aq. soln. of K salt and 2-methylimidazole; stirred under reflux for 1 h; filtered; washed (H2O, EtOH); dried in air; elem. anal.; | 48% |
Conditions | Yield |
---|---|
In water High Pressure; mixt. salt CuCl2*2H2O and K-phthalic acid, ligand was suspended in waterand heated at 120°C for 24 h; ppt. was filtered off, washed with H2O, EtOH, acetone, dried in air; elem. anal.; | 45% |
potassium hydrogen phthalate
Conditions | Yield |
---|---|
With aq. KOH In ethanol; water EtOH/H2O soln. of potassium hydrogen phthalate added to aq. Ni(NO3)2; pHset to 8 by aq. KOH; heated to 425 K for 96 h; crystd. by cooling to room temp.; | 42.23% |
potassium hydrogen phthalate
Conditions | Yield |
---|---|
In acetonitrile equimolar amts., stirring for 5 d; filtration, crystn. on slow evapn. (room temp., 10 d), collection (filtration), washing (hexanes), drying (vac.); further crop on concn. of filtrate; elem. anal.; | 40% |
potassium hydrogen phthalate
[Cd(phthalate)(H2O)]
Conditions | Yield |
---|---|
With KOH; oxalic acid In water High Pressure; neutralization of aq. mixt. of KH(phthalate), Cd(NO3)2*4H2O and oxalic acid with aq. soln. of KOH under continuous stirring, seling in stainlesssteel vessel, heating to 160°C for 120 h; slowly cooling to ambient temp., crystn., sepn., washing with water; elem. anal.; | 40% |
[2,2]bipyridinyl
water
potassium hydrogen phthalate
potassium carbonate
Conditions | Yield |
---|---|
With air In water a warm soln. of acid and bipy added to a suspn. of metal salts, stirred at 60°C for 30 min; hot filtered, alowed to cool to room temp., after 2 wk. crysts. filtered, washed (water, ethanol), dried (air); elem. anal.; | 30.4% |
3-Methylpyridine
potassium hydrogen phthalate
nickel(II) acetate tetrahydrate
Conditions | Yield |
---|---|
In water a soln. of Ni salt added to a hot soln. of ligands, refluxed for 1.5 h; filtered, the filtrate left to stand at room temp. in an open flask, filtered, washed (H2O, EtOH), dried (air); elem. anal.; | A 27.86% B n/a |
1H-imidazole
nickel(II) carbonate
potassium hydrogen phthalate
[Ni(imidazole)3(phthalate)(H2O)2]*H2O
B
[Ni(imidazole)6](phthalate)*H2O
Conditions | Yield |
---|---|
In methanol; water Ni salt (1 equiv.) and K salt (1 equiv.) were added to soln. of imidazole (2 equiv.) in H2O/MeOH (1/1); refluxed for 2 h; filtered; slowly evapd. for several d; filtered; washed (MeOH, ether); dried in air; septd. by hand; elem. anal.; | A 20% B 11% |
potassium hydrogen phthalate
Conditions | Yield |
---|---|
In water High Pressure; soln. of Co(NO3)2*6H2O (0.6 mmol) and KOOCC6COOH (1.8 mmol) heated to 473K for 60 h; cooled to room temp.; elem. anal.; detd. by XRD; | 10% |
ethanol
potassium hydrogen phthalate
chloroformic acid ethyl ester
monoethyl phthalate
Conditions | Yield |
---|---|
Zersetzen des Produktes mit Wasser; |
potassium hydrogen phthalate
Conditions | Yield |
---|---|
With water-d2 In water at 34.9℃; Equilibrium constant; |
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