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| CAS No.: | 6487-48-5 |
|---|---|
| Name: | Ethanedioic acid,potassium salt, hydrate (1:2:1) |
| Molecular Structure: | |
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|
| Formula: | K2C2O4.H2O |
| Molecular Weight: | 184.231 |
| Synonyms: | Ethanedioicacid, dipotassium salt, monohydrate (9CI);Oxalic acid, dipotassium salt,monohydrate (8CI);Dipotassium oxalate monohydrate;Potassium oxalate(K2(C2O4)) monohydrate;Potassium oxalate monohydrate; |
| EINECS: | 209-506-8 |
| Density: | 2.127 |
| Melting Point: | 356 °C |
| Boiling Point: | 365.1 °C at 760 mmHg |
| Flash Point: | 188.8 °C |
| Solubility: | 1 M at 20 °C, clear, colorless in water |
| Appearance: | white crystals or powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 21/22 |
| Safety: | 24/25 |
| Transport Information: | UN 2928 |
| PSA: | 89.49000 |
| LogP: | -3.57810 |
methylammonium carbonate
potassium oxalate monohydrate
| Conditions | Yield |
|---|---|
| With amalgamated potassium at 360℃; |
methylammonium carbonate
A
potassium oxalate monohydrate
| Conditions | Yield |
|---|---|
| With potassium hydride at 80℃; |
| Conditions | Yield |
|---|---|
| In not given neutralisation; | |
| In not given neutralisation; |
potassium hydrogenoxalate
potassium carbonate
potassium oxalate monohydrate
| Conditions | Yield |
|---|---|
| In not given neutralisation; | |
| In not given neutralisation; |
| Conditions | Yield |
|---|---|
| In not given neutralisation; | |
| In not given neutralisation; |
potassium hydrogenoxalate
potassium oxalate monohydrate
| Conditions | Yield |
|---|---|
| In not given neutralisation; | |
| In not given neutralisation; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) Kinetics; 20°C, varying partial pressure of water and H2O2; |
potassium oxalate monohydrate
| Conditions | Yield |
|---|---|
| In water prepn. by slow diffusion in H-shaped tube of aq. solns. contg. K2C2O4*H2O in one arm and (2-(2-pyridyl)imidazole)copper(II) nitrate in the other; diffusion is complete in one mo; elem. anal.; | 99% |
potassium oxalate monohydrate
| Conditions | Yield |
|---|---|
| In water heating 0.05 mol soln. of sulfate in water at 90°C; addn. of 0.2 mol oxalate soln.; filtration at 10°C;; ppt. washed with water and at 50°C about 12 h dried;; | 97% |
| In water heating 0.05 mol soln. of sulfate in water at 90°C; addn. of 0.2 mol oxalate soln.; filtration at 10°C;; ppt. washed with water and at 50°C about 12 h dried;; | 97% |
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The IUPAC name of Ethanedioic acid,potassium salt, hydrate (1:2:1) is dipotassium oxalate hydrate. With the CAS registry number 6487-48-5, it is also named as Ethanedioic acid, dipotassium salt, monohydrate. Besides, it is white crystals or powder, which should be stored at room temperature. And it is stable and hygroscopic. Moreover, the product is soluble in water and incompatible with strong oxidizing agents. In addition, this chemical is harmful in contact with skin and if swallowed. You should avoid contact with skin and eyes when use it.
The other characteristics of this product can be summarized as: (1)EINECS: 209-506-8; (2)ACD/LogP: -1.19; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): -5.7; (5)ACD/LogD (pH 7.4): -5.94; (6)ACD/BCF (pH 5.5): 1; (7)ACD/BCF (pH 7.4): 1; (8)ACD/KOC (pH 5.5): 1; (9)ACD/KOC (pH 7.4): 1; (10)H bond acceptors: 4; (11)H bond donors: 2; (12)Freely Rotating Bonds: 1; (13)Density: 2.13 g/mL at 25 °C; (14)Flash Point: 188.8 °C; (15)Melting point: 356 °C; (16)Water solubility: 364 g/L at 20 °C; (17)Enthalpy of Vaporization: 67.15 kJ/mol; (18)Boiling Point: 365.1 °C at 760 mmHg; (19)Vapour Pressure: 2.51E-06 mmHg at 25 °C.
Preparation and usages: please neutralize Potassium hydroxide or Potassium carbonate with the solution of Oxalic acid or Potassium hydrogen oxalate. And then you would get the crystals of Ethanedioic acid,potassium salt, hydrate (1:2:1) afer cooling. Besides, this chemical can be used to make drug and bleacher. It also can be used as analytical reagents. Additionally, it is used in preventing of blood coagulation, pharmaceutical industry and film printing.
People can use the following data to convert to the molecule structure.
(1)SMILES:[K+].[K+].[O-]C(=O)C([O-])=O.O
(2)InChI:InChI=1/C2H2O4.2K.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;;1H2/q;2*+1;/p-2
(3)InChIKey:QCPTVXCMROGZOL-NUQVWONBAS
(4)Std. InChI:InChI=1S/C2H2O4.2K.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;;1H2/q;2*+1;/p-2
(5)Std. InChIKey:QCPTVXCMROGZOL-UHFFFAOYSA-L
