跳转至内容
Merck

P0662

Sigma-Aldrich

磷酸钾 一元

ACS reagent, ≥99.0%

别名:

prim.-磷酸钾, 磷酸二氢钾

登录查看公司和协议定价


About This Item

线性分子式:
KH2PO4
CAS号:
分子量:
136.09
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

品質等級

agency

suitable for EPA 300
suitable for SM 5210

化驗

≥99.0%

形狀

powder or crystals

技術

tissue culture: suitable

雜質

≤0.01% Insoluble matter

損耗

≤0.2% loss on drying, 105°C

pH值

4.1-4.5 (25 °C, 5%)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

bp

>450 °C

mp

252.6 °C (lit.)

密度

2.338 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.003%

正離子痕跡

Fe: ≤0.002%
Na: ≤0.005%
heavy metals: ≤0.001% (by ICP)

SMILES 字串

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

InChI

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

InChI 密鑰

GNSKLFRGEWLPPA-UHFFFAOYSA-M

正在寻找类似产品? 访问 产品对比指南

相关类别

一般說明

磷酸二氢钾(正磷酸一钾)是水溶无机盐。它形成的标准焓是-376.1kcalmol-1它是合成偏磷酸钾的起始物质。

應用

磷酸二氢钾用于制备磷酸缓冲液和磷酸盐缓冲液(PBS)。它还可以用来制备PEG1000(聚乙二醇)/磷酸钾水二相体系(ATPS)。

法律資訊

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

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ (Lot或Batch)字后找到。

已有该产品?

在文件库中查找您最近购买产品的文档。

访问文档库

Skin wound healing model-excisional wounding and assessment of lesion area.
Moreira CF, et al.
Bio-protocol, 5(22) (2015)
Standard enthalpies of formation of monopotassium and dipotassium orthophosphate.
Luff BB and Reed RB.
Journal of Chemical and Engineering Data, 23(1), 60-62 (1978)
The solubility and reversion of calcium and potassium metaphosphates.
Volkerding CC and Bradfield R.
Soil Science Society of America Journal. Soil Science Society of America, 8(C), 159-166 (1944)
Estimation of Wound Tissue Neutrophil and Macrophage Accumulation by Measuring Myeloperoxidase (MPO) and N-Acetyl-?-D-glucosaminidase (NAG) Activities.
Cassini-Vieira P, et al.
Bio-protocol, 5(22) (2015)
Jacek Zielonka et al.
Free radical biology & medicine, 46(3), 329-338 (2008-11-26)
Methods for the detection and quantitation of hydroethidine (HE) and its oxidation products by HPLC analysis are described. Synthetic methods for preparation of authentic standards (2-hydroxyethidium and diethidium) are provided. Potential applications of the HPLC methods to chemical and biological

相关内容

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门