60229
磷酸二氢钾 一元
tested according to Ph. Eur., anhydrous
别名:
磷酸二氢钾, prim.-磷酸钾
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关于此项目
线性分子式:
KH2PO4
化学文摘社编号:
分子量:
136.09
NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
12161700
EC Number:
231-913-4
MDL number:
产品名称
磷酸二氢钾 一元, tested according to Ph. Eur., anhydrous
InChI key
GNSKLFRGEWLPPA-UHFFFAOYSA-M
InChI
1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
SMILES string
[K+].OP(O)([O-])=O
grade
anhydrous
Quality Level
agency
tested according to Ph. Eur.
assay
98-100.5% dry basis
form
crystalline
loss
<2.0% loss on drying
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp
252.6 °C (lit.)
solubility
water: 208 g/L at 20 °C
density
2.338 g/mL at 25 °C (lit.)
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Application
本品配制的磷酸二氢钾缓冲液可用作高效液相色谱(HPLC)的流动相组分。
Biochem/physiol Actions
磷酸二氢钾(MKP)常用作生化和生物领域的缓冲剂。也用作生物分子分离电泳的缓冲组分。
Features and Benefits
按照美国药典–国家处方集(USP-NF)和欧洲药典标准检测，保证高质量
General description
磷酸二氢钾(KH2PO4)又称磷酸一钾(MKP)，是一种可溶性盐。用作磷源和钾源。KH2PO4是磷酸钾缓冲液的基本组分，在脂酶纯化中用于双水相系统(ATPS)。
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
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