Merck
All Photos(3)

431311

Sigma-Aldrich

乙酸铵

≥99.99% trace metals basis

Linear Formula:
CH3CO2NH4
CAS Number:
Molecular Weight:
77.08
Beilstein:
4186741
EC 号:
MDL编号:
eCl@ss:
39021908
PubChem化学物质编号:

等级

for inorganic trace analysis

质量水平

100

蒸汽压

<0.001 hPa

测定

≥99.99% trace metals basis

形式

solid

杂质

≤0.005% insolubles
<100 ppm total metallic impurities

pH值(酸碱度)

6.7-7.3 (25 °C, 5% in water)
6.7-7.3

mp

110-112 °C (dec.) (lit.)

溶解性

water: soluble 1,480 g/L at 4 °C

痕量阴离子

chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
sulfate (SO42-): ≤0.001%

痕量阳离子

Fe: ≤5 ppm
heavy metals: ≤5 ppm

SMILES string

N.CC(O)=O

InChI

1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

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一般描述

乙酸铵(NH4C2H3O2)是水溶性的吸湿性铵盐。它是环保型材料且价格低廉,[1] 可通过用冰醋酸与氨或碳酸铵反应来制备。它常被用于染料工业以及用作肉类防腐剂。[2]它可用于制备溶胶-凝胶甲醛传感器,以检测空气样品中的甲醛。[3]乙酸铵的中子能量增益谱已被记录,其中包含原子运动的数据。[4]据报道,在无溶剂和微波条件下,可从亚硫酸氢盐加成产物和二乙酸酯再生醛。[1]
符合ACS试剂规定。

应用

乙酸铵可用作HPLC分析的流动相组分。[5]
它可用于合成:
  • 菲咯啉衍生物,用作防腐剂。[6]
  • 高度取代咪唑。[7]
  • 2,4-二芳基多氢喹啉衍生物。[8]

包装

50, 250 g in poly bottle

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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