Merck
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P3786

Sigma-Aldrich

磷酸钾二元 二元

ACS reagent, ≥98%

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别名:
磷酸二钾, 磷酸氢二钾
线性分子式:
K2HPO4
CAS号:
7758-11-4
分子量:
174.18
EC 号:
231-834-5
MDL编号:
MFCD00011383
eCl@ss:
38070212
PubChem化学物质编号:
329820191
NACRES:
NA.21

等级

ACS reagent

质量水平

200

检测方案

≥98%

形式

powder

杂质

≤0.001% Nitrogen compounds (as N)
≤0.01% Insoluble matter

缺失

≤1.0% loss on drying, 105°C

pH值（酸碱度）

8.5-9.6 (25 °C, 5% in solution)

痕量阴离子

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%

痕量阳离子

Fe: ≤0.001%
Na: ≤0.05%
heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

[K+].[K+].OP([O-])([O-])=O

InChI

1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI key

ZPWVASYFFYYZEW-UHFFFAOYSA-L

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此商品
450200P8281795496
Potassium phosphate dibasic ACS reagent, ≥98%

Sigma-Aldrich

P3786

磷酸钾二元 二元

Potassium phosphate dibasic 99.95% trace metals basis

Sigma-Aldrich

450200

磷酸钾二元 二元

Potassium phosphate dibasic reagent grade, ≥98.0%

Sigma-Aldrich

P8281

磷酸钾二元 二元

Potassium phosphate dibasic anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥98%

Sigma-Aldrich

795496

磷酸钾二元 二元

assay

≥98%

assay

99.95% trace metals basis

assay

≥98.0%

assay

≥98%

form

powder

form

powder and chunks

form

powder

form

powder

impurities

≤0.001% Nitrogen compounds (as N), ≤0.01% Insoluble matter

impurities

≤550.0 ppm Trace Metal Analysis

impurities

-

impurities

≤0.001% Nitrogen compounds (as N), ≤0.01% Insoluble matter

pH

8.5-9.6 (25 °C, 5% in solution)

pH

-

pH

8.7-9.3 (25 °C, 50 g/L)

pH

8.5-9.6 (25 °C, 5% in solution)

anion traces

chloride (Cl-): ≤0.003%, sulfate (SO42-): ≤0.005%

anion traces

-

anion traces

-

anion traces

chloride (Cl-): ≤0.003%, sulfate (SO42-): ≤0.005%

应用

磷酸二氢钾已可用于制备MMG（麦芽糖、甲基绿）培养基，磷酸盐缓冲盐和低渗溶液。

其他说明

访问 Redi-Dri™ 产品列表 795496

法律信息

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

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