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13021-40-4

13021-40-4 Structure

13021-40-4 Structure
IdentificationMore
[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
Chemical PropertiesBack Directory
[Appearance]

violet to black powder
[Melting point ]

>300 °C (lit.)
[Water Solubility ]

Soluble in water
[form ]

powder
[color ]

dark brown to black
[Stability:]

Stable.
[InChI]

1S/C6H2O6.2K/c7-1-2(8)4(10)6(12)5(11)3(1)9;;/h7-8H;;/q;2*+1/p-2
[InChIKey]

NEWIILAQDSMNML-UHFFFAOYSA-L
[SMILES]

[K+].[K+].[O-]C1=C([O-])C(=O)C(=O)C(=O)C1=O
[CAS DataBase Reference]

13021-40-4(CAS DataBase Reference)
[EPA Substance Registry System]

5-Cyclohexene-1,2,3,4-tetrone, 5,6-dihydroxy-, dipotassium salt (13021-40-4)
Safety DataBack Directory
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[TSCA ]

TSCA listed
[HS Code ]

2914.69.9000
[Storage Class]

11 - Combustible Solids
Hazard InformationBack 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.
Spectrum DetailBack Directory
[Spectrum Detail]

RHODIZONIC ACID DIPOTASSIUM SALT(13021-40-4)IR1
RHODIZONIC ACID DIPOTASSIUM SALT(13021-40-4)IR2
RHODIZONIC ACID DIPOTASSIUM SALT(13021-40-4)Raman
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Rhodizonic acid dipotassium salt(13021-40-4)
[Sigma Aldrich]

13021-40-4(sigmaaldrich)
[TCI AMERICA]

Rhodizonic Acid Dipotassium Salt(13021-40-4)
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