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Basic Information
| CAS No.: | 583-52-8 |
|---|---|
| Name: | Potassium oxalate |
| Molecular Structure: | |
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|
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| Formula: | K2C2O4 |
| Molecular Weight: | 166.216 |
| Synonyms: | Ethanedioicacid, dipotassium salt (9CI);Oxalic acid, dipotassium salt (8CI);Dipotassiumoxalate;Oxa-Gel;Potassium oxalate;Potassium oxalate (K2C2O4); |
| EINECS: | 209-506-8 |
| Density: | 2.13 |
| Boiling Point: | 365.1 °C at 760 mmHg |
| Flash Point: | 188.8 °C |
| Solubility: | 392g/L at 20℃ |
| Appearance: | Odorless white solid. |
| PSA: | 80.26000 |
| LogP: | -3.51380 |
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Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| absence of O2, 440-450°C; | 95% |
Conditions
| Conditions | Yield |
|---|---|
| In tetrahydrofuran-d8 at -80℃; for 0.5h; Catalytic behavior; Kinetics; Mechanism; Solvent; Temperature; Concentration; | A n/a B 95% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| In benzene-d6 at -80℃; for 0.5h; Catalytic behavior; Solvent; Temperature; | A n/a B 95% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| In benzene-d6 at -80℃; for 0.5h; Catalytic behavior; Kinetics; Solvent; Temperature; | A n/a B 95% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| In benzene-d6 at -80℃; for 0.5h; Catalytic behavior; | A n/a B 95% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| In (2)H8-toluene at -80℃; for 0.5h; Catalytic behavior; | A n/a B 95% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| potassium hydroxide In solid byproducts: H2; 330 °C; with KOH (1:0.05) in N2 atmosphere, the heating rate 6 deg/min; | A 93% B n/a |
| in aluminium block at 460-500°C; | A 79% B n/a |
| With air In melt 460-500°C, in presence of air; | A 79% B 20% |
- 583-52-8
potassium oxalate
Conditions
| Conditions | Yield |
|---|---|
| With sawdust In not given oxidation at 240-250°C through 1-15 hours by air admission; | 80% |
| With sawdust In not given oxidation at 240-250°C through 1-15 hours by air admission; | 80% |
| With bran heating; |
Conditions
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: K2CO3; 200°C;; | 72% |
| In neat (no solvent) heating 2 % K amalgam up to boiling point of Hg;; | |
| In neat (no solvent) byproducts: K2CO3; optimum temp. at 225°C, presence of O2;; small amt. of K2C2O4;; |
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Potassium oxalate
Chemistry
MF: C2K2O4
MW: 166.22
EINECS: 209-506-8
Synonyms:DI-POTASSIUM OXALATE; dipotassiumethanedioate; Ethanedioicacid, dipotassiumsalt; oxalicacid,dipotassiumsalt;potassiumneutraloxalate;potassiumoxalate(k2c2o4);Potassium Oxalate Anhydrous;Potassium oxalate
POTASSIUM OXALATE's structure:
Potassium oxalate(583-52-8) gives basic aqueous solutions. Reacts as a base to neutralize acids in reactions that generate heat, but less than is generated by neutralization of the bases in reactivity group 10. Can serve as a reducing agent in reactions that generate carbon dioxide.
Uses
Reagent in analytical chemistry, source of oxalic acid, bleaching and cleaning, removing stains from textiles, photography.
Toxicity Data With Reference
|
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| women | LDLo | oral | 1gm/kg (1000mg/kg) | CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION) VASCULAR: SHOCK GASTROINTESTINAL: OTHER CHANGES | Medecine Legale et Dommage Corporel. Vol. 4, Pg. 178, 1971. |
Consensus Reports
Potassium oxalate(583-52-8) is reported in EPA TSCA Inventory.
Safety Profile
Human systemic effects by ingestion: cardiac arrhythmias, shock, gastrointestinal changes. When heated to decomposition it emits acrid smoke and irritating vapors.
Standards and Recommendations
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD
Specification
1、Handling and Storage of Potassium oxalateStorage(583-52-8)
Store in a cool, dry place. Keep containers closed when not in use. Protect product from moisture. Product is sensitive to light.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
2、Fire Fighting Measures of Potassium oxalate(583-52-8)
Fire Fighting
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use carbon dioxide, foam, powder or water spray. DO NOT use water in a jet (will spread product).
Fire Potential
Nonflammable.
Store in a cool, dry place. Keep containers closed when not in use. Protect product from moisture. Product is sensitive to light.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
2、Fire Fighting Measures of Potassium oxalate(583-52-8)
Fire Fighting
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use carbon dioxide, foam, powder or water spray. DO NOT use water in a jet (will spread product).
Fire Potential
Nonflammable.