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Merck
CN

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 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.23
方案:
99.99% trace metals basis
表单:
solid

质量水平

方案

99.99% trace metals basis

表单

solid

杂质

≤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.

应用

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

储存分类代码

11 - 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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分析证书(COA)

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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
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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