| Identification | More | [Name]
RHODIZONIC ACID DIPOTASSIUM SALT | [CAS]
13021-40-4 | [Synonyms]
5,6-DIHYDROXY-5-CYCLOHEXENE-1,2,3,4-TETRONE DIPOTASSIUM SALT
DIPOTASSIUM RHODIZONATE
POTASSIUM RHODIZONATE
RHODIZONIC ACID DIPOTASSIUM SALT
RHODIZONIC ACID POTASSIUM SALT
2,3,4-tetrone,5,6-dihydroxy-5-cyclohexene-dipotassiumsalt
5-Cyclohexene-1,2,3,4-tetrone,5,6-dihydroxy-,dipotassiumsalt
rhodizonic
Rhodizonicacid,dipotassiumsa
1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene dipotassium salt~Potassium rhodizonate
disodium 3,4,5,6-tetraoxocyclohexene-1,2-diolate
rhodizonic acid potassium
RHODIZONIC ACID, DIPOTASSIUM SALT, TECH. , 85%
1,2-dihydroxy-3,4,5,6-tetraoxocyclohexene dipotassium salt
3,4,5,6-tetraoxocyclohexene-1,2-diol dipotassium salt
3,4,5,6-Tetraoxocyclohexene-1,2-diol dipotassium salt, Rhodizonic acid potassium salt
Dipotassium 3,4,5,6-tetraoxo-1-cyclohexene-1,2-diolate | [EINECS(EC#)]
235-881-2 | [Molecular Formula]
C6K2O6 | [MDL Number]
MFCD00001649 | [Molecular Weight]
246.26 | [MOL File]
13021-40-4.mol |
| Safety Data | Back Directory | [Safety Statements ]
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes . | [WGK Germany ]
3
| [HS Code ]
2914.69.9000 |
| Hazard Information | Back Directory | [Chemical Properties]
violet to black powder | [Uses]
Potassium rhodizonate is suitable reagent for the preparation of staining solution used in the rhodizonate test for the detection of lead. It is suitable reagent used in the preparation of barium, thallium, ammonium and silver salts rhodizonic acid by metathesis in aqueous solution.
It may be used in the following studies:
- To cocrystallize plutonium and radium from urine in the plutonium and radium assay of urine.
- As a dye in the spectrophotometric determination of sulfate ion.
- To determine the acid dissociation constants of rhodizonic acid by pH potentiometric titration of potassium rhodizonate with standardized HCl.
- As a staining agent for plagioclase in the petrographic study.
| [General Description]
Potassium rhodizonate (3,4,5,6-Tetraoxocyclohexene-1,2-diol dipotassium salt, Rhodizonic acid potassium salt), a benzoquinone derivative, is the potassium salt of rhodizonic acid. Its crystalline structure has been reported and it exhibits space group Fddd. Rhodizonate dianion undergoes various thermal and photochemical reactions with various oxidizing reagents in aqueous solution. |
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