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392340

玫瑰红酸二钾盐

Name: 玫瑰红酸二钾盐
Brand: ALDRICH

technical grade, 85%

别名:

5,6-二羟基-5-环己烯-1,2,3,4-四酮二钾盐, 玫棕酸钾盐

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关于此项目

线性分子式:

C₆O₆K₂

化学文摘社编号:

13021-40-4

分子量:

246.26

NACRES:

NA.22

PubChem Substance ID:

24864445

UNSPSC Code:

12352100

EC Number:

235-881-2

MDL number:

MFCD00001649

Assay:

85%

Form:

powder

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属性

grade

technical grade

assay

85%

form

powder

mp

>300 °C (lit.)

SMILES string

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

InChI

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

InChI key

NEWIILAQDSMNML-UHFFFAOYSA-L

说明

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.

Application

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.

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Statistical analysis of titration data.

Schwartz LM and Gelb RI.

Analytical Chemistry, 50(11), 1571-1576 (1978)

Heavy metal localisation in mycorrhizas of Epipactis atrorubens (Hoffm.) Besser (Orchidaceae) from zinc mine tailings.

A Jurkiewicz et al.

Protoplasma, 218(3-4), 117-124 (2002-01-05)

The metal distribution within mycorrhizal and nonmycorrhizal roots of Epipactis atrorubens collected from zinc mine tailings and an area rich in heavy metal ores (both located in southern Poland) was investigated. The tailings, consisting of post-flotation material, were characterised by

Resonance Raman spectroscopy of rhodizonates: Evidence of low-energy transitions in the solid state.

Goncalves NS and Santos PS.

Journal of Raman Spectroscopy, 26(5), 363-372 (1995)

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货号	GTIN
392340-5G	04061831981520