5,6-二羟基-5-环己烯-1,2,3,4-四酮二钾盐

玫瑰红酸二钾盐

品牌

Sigma-Aldrich

CAS

13021-40-4

货号

392340

包装型号

5 G, technical grade, 85%

规格纯度

technical grade, 85%

价格

4395.7 元 *本价格含增值税费

促销

数量

- +

半岛bd体育手机客户端名称：

13021-40-4
Potassium Rhodizonate
Rhodizonic acid potassium salt
3,4,5,6-Tetraoxocyclohexene-1,2-diol dipotassium salt
玫瑰红酸二钾盐
5,6-二羟基-5-环己烯-1,2,3,4-四酮二钾盐
玫棕酸钾盐

半岛bd体育手机客户端介绍：

半岛bd体育手机客户端说明

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 groupFddd.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:

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.

包装

5 g in glass bottle

基本信息

线性分子式	C₆O₆K₂
分子量	246.26
EC 号	235-881-2
MDL编号	MFCD00001649
PubChem化学物质编号	24864445
NACRES	NA.22

半岛bd体育手机客户端性质

等级	technical grade
质量水平	200
测定	85%
mp	>300 ℃ (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

安全信息

储存分类代码	13 - Non 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)