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Merck

229806

Sigma-Aldrich

磷酸钾 一元

99.99% trace metals basis

别名:

prim.-磷酸钾, 磷酸二氢钾

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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.23

品質等級

化驗

99.99% trace metals basis

形狀

solid

雜質

≤150.0 ppm Trace Metal Analysis

pKa (25 °C)

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

mp

252.6 °C (lit.)

密度

2.338 g/mL at 25 °C (lit.)

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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一般說明

磷酸二氢钾晶体无色,可溶于水,具有吸湿性。在加热至 187℃ 时,KH2PO4 发生相转换,晶系统由四方向单斜转变,195℃ 时的晶格参数为 α=7.47Å, b =7.33Å, c =14.49Å, α= ß = 90° 和 γ=92.2.

應用

可能使用过
  • 产生荧光发射的碳点
  • 缓冲剂
  • pH 控制剂
  • 乳化剂
  • 稳定剂
  • 保水剂,
  • 食品中的抗氧化剂

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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Zheng-Chun Yang et al.
Chemical communications (Cambridge, England), 47(42), 11615-11617 (2011-09-21)
A facile method is developed to synthesize intrinsically fluorescent carbon dots by hydrothermal treatment of glucose in the presence of monopotassium phosphate. The fluorescence emission of the carbon dots thus produced is tunable by simply adjusting the concentration of monopotassium
X-Ray Study of High-Temperature Phase Transitions in KH2PO4
Itoh K,et al
Journal of the Physical Society of Japan, 39, 843-849 (1975)
Przemyslaw Nogly et al.
IUCrJ, 2(Pt 2), 168-176 (2015-04-14)
Lipidic cubic phases (LCPs) have emerged as successful matrixes for the crystallization of membrane proteins. Moreover, the viscous LCP also provides a highly effective delivery medium for serial femtosecond crystallography (SFX) at X-ray free-electron lasers (XFELs). Here, the adaptation of
Leo Syrjänen et al.
Frontiers in zoology, 12, 19-19 (2015-08-25)
Carbonic anhydrases (CAs, EC 4.2.1.1) are ubiquitous enzymes that catalyze the reversible hydration reaction of carbon dioxide. CAs are present as six structurally divergent enzyme families: α, β, γ, δ, ζ and η. β-CAs have a wide distribution across different
Xinyan Wu et al.
Nature communications, 5, 4961-4961 (2014-09-24)
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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