Merck
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73594

Supelco

乙酸铵

LiChropur, eluent additive for LC-MS

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:
NACRES:
NB.21

等级

eluent additive for LC-MS

质量水平

100

测定

≥99.0% (calc. on dry substance, T)

形式

solid

质量

LiChropur

technique(s)

LC/MS: suitable

杂质

insoluble matter, passes filter test
≤1% water

灼烧残渣

≤0.01% (as SO4)

pH值(酸碱度)

6.2-7.5 (25 °C, 1 M in H2O)

mp

110-112 °C (dec.) (lit.)

溶解性

H2O: 1 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤5 mg/kg
nitrate (NO3-): ≤10 mg/kg
sulfate (SO42-): ≤10 mg/kg

痕量阳离子

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤5 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤5 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1 M in H2O

紫外吸收

λ: 260 nm Amax: ≤0.015
λ: 280 nm Amax: ≤0.010

适用性

passes test for LC-MS

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

乙酸铵以白色晶体的形式存在。它时以醋酸和氨为原料制备,经中和至pH 7.0。 它被广泛应用于分析化学、医药、纺织染色等领域。

应用

乙酸铵已可用于制备UPLC-MS/MS洗脱液和HPLC-MS/MS洗脱液,以比较9种药物化合物在水环境样品中的基质效应。它还被用作添加剂,以提高MALDI-MS对磷酸肽的检测。

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法律信息

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

储存分类代码

13 - Non 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)

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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