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Merck
CN

25059

乙酸钾

puriss., meets analytical specification of Ph. Eur., BP, E261, 99-101%

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线性分子式:
CH3COOK
化学文摘社编号:
127-08-2
分子量:
98.14
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
329752771
EC Number:
204-822-2
Beilstein/REAXYS Number:
3595449
MDL number:
MFCD00012458
Assay:
99-101%
Form:
crystalline

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产品名称

乙酸钾, puriss., meets analytical specification of Ph. Eur., BP, E261, 99-101%

InChI key

SCVFZCLFOSHCOH-UHFFFAOYSA-M

InChI

1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

SMILES string

[K+].CC([O-])=O

vapor pressure

<0.0000001 hPa ( 25 °C)

grade

puriss.

assay

99-101%

form

crystalline

quality

meets analytical specification of Ph. Eur., BP, E261

impurities

residual solvents, complies
≤0.0004% heavy metals (as Pb)
≤0.05% KMnO4 red. matter (as HCOOH)

loss

≤1% loss on drying, 150 °C, 2 h

pH

7.5-9 (20 °C, 5%)

density

1.57 g/cm3 at 25 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤2 mg/kg
Ca: ≤50 mg/kg
Cu: ≤4 mg/kg
Fe: ≤10 mg/kg
Mg: ≤30 mg/kg
Na: ≤5000 mg/kg
Pb: ≤4 mg/kg
Zn: ≤10 mg/kg

Quality Level

200

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相关类别

Application

醋酸钾用作催化剂：
  • 以糠醛和棕榈酸酐为原料制备 2-十六烷基呋喃。
  • 醋酸钾可用作碱：羟肟酸到氨基甲酸的 Lossen 重排。
  • In E2 E2 消除反应。
  • 从烷氧基酰胺底物形成内酯。

醋酸钾也用作促进剂：
  • 钯催化剂环境下芳基氯化物与双(频哪醇合)二硼的硼化反应。
  • α, β-不饱和酮的 β-硼化。

General description

醋酸钾是一种吸湿性钾盐。它可以通过用氢氧化钾或碳酸钾中和乙酸来制备。它可以作为聚合和加成反应的亲核催化剂，在取代和加成反应中作为醋酸阴离子的来源。它可以在各种有机反应中用作碱和促进剂。

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCH0721
BCCH6445
BCCG5785
BCCF7378
BCCF3195

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