Merck
CN

60218

Sigma-Aldrich

磷酸钾 一元

BioUltra, for molecular biology, anhydrous, ≥99.5% (T)

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别名:
prim.-磷酸钾, 磷酸二氢钾
线性分子式:
KH2PO4
CAS号:
分子量:
136.09
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.25

等级

for molecular biology

质量水平

产品线

BioUltra

检测方案

≥99.5% (T)

形式

powder or crystals

杂质

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.001% total nitrogen (N)

pH值(酸碱度)

4.0-4.5 (25 °C, 1 M in H2O)

pKa (25 °C)

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

mp

252.6 °C (lit.)

溶解性

H2O: 1 M at 20 °C, clear, colorless

密度

2.338 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤30 mg/kg

痕量阳离子

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

紫外吸收

λ: 260 nm Amax: 0.050
λ: 280 nm Amax: 0.045

SMILES string

[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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应用

磷酸二氢钾和氢氧化钾用于制备磷酸盐缓冲溶液,如生物应用中使用的磷酸钾缓冲水和盐溶液。

其他说明

PBS 组分-用于核 RNA 的分离和分析

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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Isolation and analysis of nuclear RNA.
J R Nevins
Methods in enzymology, 152, 234-241 (1987-01-01)
Bruno Buchholz et al.
American journal of physiology. Heart and circulatory physiology, 307(1), H88-H96 (2014-05-06)
Dystrophin is responsible for the mechanical stabilization of the sarcolemma, and it has been shown that it is one of the most sensitive proteins to ischemic injury. However, the enzyme responsible for this proteolysis is still unknown. Isolated rabbit hearts
Angélica Rosa Faria et al.
PLoS neglected tropical diseases, 9(1), e3429-e3429 (2015-01-09)
Visceral leishmaniasis is the most severe form of leishmaniasis. Worldwide, approximately 20% of zoonotic human visceral leishmaniasis is caused by Leishmania infantum, also known as Leishmania chagasi in Latin America. Current diagnostic methods are not accurate enough to identify Leishmania-infected
Stephanie Dille et al.
Infection and immunity, 83(8), 3268-3280 (2015-06-10)
The Chlamydiales are an order of obligate intracellular bacteria sharing a developmental cycle inside a cytosolic vacuole, with very diverse natural hosts, from amoebae to mammals. The clinically most important species is Chlamydia trachomatis. Many uncertainties remain as to how
Casper Skovgaard et al.
Journal of applied physiology (Bethesda, Md. : 1985), 117(10), 1097-1109 (2014-09-06)
The purpose of this study was to examine whether speed endurance training (SET, repeated 30-s sprints) and heavy resistance training (HRT, 80-90% of 1 repetition maximum) performed in succession are compatible and lead to performance improvements in moderately trained endurance

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