392340
玫瑰红酸二钾盐
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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线性分子式:
C6O6K2
化学文摘社编号:
分子量:
246.26
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
等级
technical grade
方案
85%
表单
powder
mp
>300 °C (lit.)
SMILES字符串
[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
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一般描述
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.
应用
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:
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.
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
Statistical analysis of titration data.
Schwartz LM and Gelb RI.
Analytical Chemistry, 50(11), 1571-1576 (1978)
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)
Keiko Murakami et al.
Toxicology in vitro : an international journal published in association with BIBRA, 20(6), 910-914 (2006-03-01)
Rhodizonic acid, a six-membered cyclic hydroxyquinone, produced reactive oxygen species as a complex with transition metals. Addition of rhodizonic acid with ferrous ion caused an inactivation of aconitase the most sensitive enzyme to oxidative stress in permeabilized yeast cells. The
N C de Souza-Pinto et al.
Free radical biology & medicine, 20(5), 657-666 (1996-01-01)
In this work we investigated the toxicity of a polyphenolic p-benzoquinone derivative, the tetrahydroxy-1,4-quinone (THQ) toward V79 Chinese hamster fibroblasts and analyzed the role of H2O2 and Ca2+ in that mechanism. The exposure of exponentially growing cultures to THQ, in
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