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Cas Database |
| Name |
Sodium rhodizonate |
EINECS | 208-340-3 |
| CAS No. | 523-21-7 | Density | N/A |
| PSA | 114.40000 | LogP | -1.65100 |
| Solubility | Soluble in water (clear, orange-red solution); slightly soluble in soda solution; insoluble in alcohol | Melting Point |
300 °C |
| Formula | C6Na2O6 | Boiling Point | 346.7 °C at 760 mmHg |
| Molecular Weight | 214.042 | Flash Point | 177.7 °C |
| Transport Information | N/A | Appearance | Dark green powder |
| Safety | 24/25 | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
5-Cyclohexene-1,2,3,4-tetrone,5,6-dihydroxy-, disodium salt (8CI,9CI);Rhodizonic acid, disodium deriv.(6CI);Sodium, [(3,4,5,6-tetraoxo-1-cyclohexen-1,2-ylene)dioxy]di- (7CI);Disodium rhodizonate;Sodium,[(3,4,5,6-tetraoxo-1-cyclohexene-1,2-diyl)bis(oxy)]di-; |
Article Data | 3 |
Sodium rhodizonate Synthetic route
- 7664-41-7
ammonia
- 7440-23-5
sodium
A
- 35249-89-9
ammonium glycolate
C
- 598-42-5
glycolamide
D
- 25289-18-3, 105938-46-3, 2836-32-0
sodium glycolate
E
- 523-21-7
sodium rhodizonate dibasic
| Conditions | Yield |
|---|---|
| With carbon monoxide; ammonium chloride In ammonia adding NH4Cl before evapn. of NH3; |
| Conditions | Yield |
|---|---|
| In water for 12h; |
| Conditions | Yield |
|---|---|
| In acetonitrile at 25℃; for 13.5h; | 85% |
| Conditions | Yield |
|---|---|
| In water under N2, Fe salt added to aq. soln. of Na salt of rhodizonic acid (molar ratio 1:1), refluxed for 1 h at 50°C; filtered, washed with water and EtOH, air dried at room temp. over P2O5; elem. anal.; | 84% |
- 523-21-7
sodium rhodizonate dibasic
- 34671-83-5
2,2'-Bipyrimidine
| Conditions | Yield |
|---|---|
| In water soln. of Na2C6O6 added to soln. of MnCl2*4H2O and 2,2'-bipyrimidine (1:1:1 mol) at pH=4.4 at room temp.; crystd. after several d; elem. anal.; | 34% |
- 523-21-7
sodium rhodizonate dibasic
- 34671-83-5
2,2'-Bipyrimidine
| Conditions | Yield |
|---|---|
| In water soln. of Na2C6O6 added to soln. of Cd(NO3)2*4H2O and 2,2'-bipyrimidine (1:1:1 mol) at pH=4.4 at room temp.; crystd. after several d; elem. anal.; | 23% |
| Conditions | Yield |
|---|---|
| In water under N2, Fe salt added to aq. soln. of Na salt of rhodizonic acid (molar ratio 1:1), refluxed for 1 h at 50°C; | 17.5% |
- 4685-14-7, 25128-26-1
Paraquat
- 523-21-7
sodium rhodizonate dibasic
- 26985-31-9
methyl viologen cation radical
| Conditions | Yield |
|---|---|
| In water Irradiation; |
| Conditions | Yield |
|---|---|
| In water Mechanism; Irradiation; pH = 10.9; |
| Conditions | Yield |
|---|---|
| With oxygen In water Rate constant; Quantum yield; Irradiation; various pH; |
Sodium rhodizonate Specification
The 5-Cyclohexene-1,2,3,4-tetrone,5,6-dihydroxy-, sodium salt (1:2), with CAS registry number 523-21-7, has the systematic name of disodium 3,4,5,6-tetraoxocyclohex-1-ene-1,2-diolate. This chemical is a kind of dark green powder. When use this chemical, avoid contact with skin and eyes. This chemical is used as sensitive reagent for testing the Ba, Pb, Sr and sulfate.
Physical properties of 5-Cyclohexene-1,2,3,4-tetrone,5,6-dihydroxy-, sodium salt (1:2): (1)ACD/LogP: -2.75; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -6.85; (4)ACD/LogD (pH 7.4): -7.24; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 6; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 108.74 Å2; (13)Enthalpy of Vaporization: 68.44 kJ/mol; (14)Vapour Pressure: 3.5E-06 mmHg at 25°C.
You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[Na+].O=C1C(/[O-])=C(/[O-])C(=O)C(=O)C1=O
(2)InChI: InChI=1/C6H2O6.2Na/c7-1-2(8)4(10)6(12)5(11)3(1)9;;/h7-8H;;/q;2*+1/p-2
(3)InChIKey: SXWPCWBFJXDMAI-NUQVWONBAS
(4)Std. InChI: InChI=1S/C6H2O6.2Na/c7-1-2(8)4(10)6(12)5(11)3(1)9;;/h7-8H;;/q;2*+1/p-2
(5)Std. InChIKey: SXWPCWBFJXDMAI-UHFFFAOYSA-L
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