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04243

Sigma-Aldrich

磷酸钾 一元

meets analytical specification of Ph. Eur., NF, E340, anhydrous, 98-100.5% (calc. to the dried substance)

同義詞:

prim.-磷酸钾, 磷酸二氢钾

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About This Item

線性公式:
KH2PO4
CAS號碼:
分子量::
136.09
EC號碼:
MDL號碼:
分類程式碼代碼:
12161700
eCl@ss:
38070209
PubChem物質ID:
NACRES:
NA.25

等級

anhydrous

品質等級

化驗

98-100.5% (calc. to the dried substance)

形狀

crystalline

品質

meets analytical specification of Ph. Eur., NF, E340

雜質

org. volatile impurities, complies (GC)
residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.04% KMnO4 red. matter (as O)
≤0.2% in water insoluble matters

損耗

≤1% loss on drying, 130 °C

pH值

4.2-4.5 (20 °C, 5%)

pKa (25 °C)

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

mp

252.6 °C (lit.)

溶解度

H2O: soluble 4.5 parts
alcohol: insoluble

密度

2.338 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤10 mg/kg
fluoride (F-): ≤10 mg/kg
sulfate (SO42-): ≤200 mg/kg

正離子痕跡

As: ≤2 mg/kg
Cd: ≤1 mg/kg
Cu: ≤20 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
Na: ≤1000 mg/kg
Pb: ≤4 mg/kg
Zn: ≤20 mg/kg

適合性

complies for appearance of solution

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

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相關類別

應用

以磷酸二氢钾为萃取剂,采用双水相萃取法分离烟草蛋白质。

生化/生理作用

磷酸二氢钾也称为磷酸二氢钾或磷酸二氢钾,是一种作为缓冲剂的可溶性钾盐。它增强了钙和磷在氨基酸加葡萄糖溶液中的溶解度,因此有助于改善胃肠外喂养的低出生体重儿的矿物质平衡。

準備報告

磷酸二氢钾溶于(约) 4.5份水,得到溶液。几乎不溶于乙醇。

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


分析證明 (COA)

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P Chessex et al.
The Journal of pediatrics, 116(5), 765-772 (1990-05-01)
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The PIK3CA gene is frequently mutated in human cancers. Here we carry out a SILAC-based quantitative phosphoproteomic analysis using isogenic knockin cell lines containing 'driver' oncogenic mutations of PIK3CA to dissect the signalling mechanisms responsible for oncogenic phenotypes induced by
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Liposomal drug delivery vehicles are promising nanomedicine tools for bringing cytotoxic drugs to cancerous tissues selectively. However, the triggered cargo release from liposomes in response to a target-specific stimulus has remained elusive. We report on functionalizing stealth-liposomes with an engineered

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