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179922

邻苯二甲酸氢钾

Name: 邻苯二甲酸氢钾
Brand: SIAL

ACS reagent grade, 99.95-100.05% dry basis, crystals, acidimetric standard

别名:

KHP, 苯二甲酸氢钾, 邻苯二甲酸单钾盐, 酞酸氢钾

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关于此项目

线性分子式:

HOOCC₆H₄COOK

化学文摘社编号:

877-24-7

分子量:

204.22

NACRES:

NA.21

PubChem Substance ID:

24850834

UNSPSC Code:

12352100

EC Number:

212-889-4

MDL number:

MFCD00013070

Beilstein/REAXYS Number:

3637128

Assay:

99.95-100.05% dry basis

Grade:

ACS reagent

Form:

crystals

Solubility:

water: soluble (93 g/l at 30 °C (86 °F))

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属性

产品名称

邻苯二甲酸氢钾, ACS reagent, acidimetric standard

grade

ACS reagent

Quality Level

200

assay

99.95-100.05% dry basis

form

crystals

quality

acidimetric standard

impurities

≤0.002% S compounds, ≤0.003% Cl compounds, ≤0.005% insolubles

pH

4.00-4.02 (25.0 °C±0.2 °C, 0.05 M)

mp

295-300 °C (dec.) (lit.)

solubility

water: soluble (93 g/l at 30 °C (86 °F))

anion traces

chlorine and bromine (as Cl^-): ≤0.003%, sulfur compounds (as SO₄^2-): ≤0.002%

cation traces

Fe: ≤5 ppm, Na: ≤0.005%, heavy metals: ≤5 ppm (by ICP)

functional group

carboxylic acid

SMILES string

[K+].OC(=O)c1ccccc1C([O-])=O

InChI

1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1

InChI key

IWZKICVEHNUQTL-UHFFFAOYSA-M

说明

Application

邻苯二甲酸氢钾可用作酸量滴定的一级标准品，也可用于制备用于 pH 校准的邻苯二甲酸氢钾缓冲液。

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Explore all of our products under 邻苯二甲酸氢钾

wgk

WGK 1

flash_point_f

387.1 °F - Pensky-Martens closed cup

flash_point_c

197.3 °C - Pensky-Martens closed cup

ppe

Eyeshields, Gloves, type N95 (US)

存储类别

11 - Combustible Solids

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2, 4, 6-Trinitrobenzoic acid as a primary standerd in acidimetry.

Smith GF and Wilkins DH.

Analytica Chimica Acta, 8, 209-216 (1953)

Determination of standard pH values for potassium hydrogen phthalate reference buffer solutions in 10, 20, 50, 64 and 84.2 wt per cent methanol/water mixed solvents at temperatures from 283.15 to 313.15 K.

Mussini T, et al.

Electrochimica Acta, 28(11), 1593-1598 (1983)

Development of an ionic liquid-based dispersive liquid-liquid microextraction method for the determination of nifurtimox and benznidazole in human plasma.

J M Padró et al.

Talanta, 107, 95-102 (2013-04-20)

Dispersive ionic liquid-liquid microextraction combined with liquid chromatography and UV detection was used for the determination of two antichagasic drugs in human plasma: nifurtimox and benznidazole. The effects of experimental parameters on extraction efficiency-the type and volume of ionic liquid

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全球贸易项目编号

货号	GTIN
179922-100G	04061838754523
179922-1KG	04061838754530
179922-500G	04061838754547