等级
ACS reagent
质量水平
Agency
suitable for EPA 300
suitable for SM 5210
检测方案
≥99.0%
形式
powder or crystals
技术
tissue culture: suitable
杂质
≤0.01% Insoluble matter
缺失
≤0.2% loss on drying, 105°C
pH值（酸碱度）
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.)
痕量阴离子
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.003%
痕量阳离子
Fe: ≤0.002%
Na: ≤0.005%
heavy metals: ≤0.001% (by ICP)
SMILES字符串
[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 key
GNSKLFRGEWLPPA-UHFFFAOYSA-M
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一般描述
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。
应用
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）。
法律信息
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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)
Standard enthalpies of formation of monopotassium and dipotassium orthophosphate.
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Journal of Chemical and Engineering Data, 23(1), 60-62 (1978)
Skin wound healing model-excisional wounding and assessment of lesion area.
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Bio-protocol, 5(22) (2015)
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
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