Merck
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73594

Supelco

Ammonium acetate

LiChropur, eluent additive for LC-MS

Linear Formula:
CH3CO2NH4
CAS Number:
Molecular Weight:
77.08
Beilstein:
4186741
Numer EC:
Numer MDL:
eCl@ss:
39021908
Identyfikator substancji w PubChem:
NACRES:
NB.21

klasa czystości

eluent additive for LC-MS

Poziom jakości

100

próba

≥99.0% (calc. on dry substance, T)

forma

solid

jakość

LiChropur

technique(s)

LC/MS: suitable

zanieczyszczenia

insoluble matter, passes filter test
≤1% water

pozostałość po prażeniu

≤0.01% (as SO4)

pH

6.2-7.5 (25 °C, 1 M in H2O)

mp

110-112 °C (dec.) (lit.)

rozpuszczalność

H2O: 1 M at 20 °C, clear, colorless

ślady anionów

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

ślady kationów

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

absorpcja UV

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

przydatność

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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Opis ogólny

Ammonium acetate exists as a white crystal. It is prepared from acetic acid and ammonia by neutralization to pH 7.0. It is widely used in analytical chemistry, drugs and in textile dyeing.[1]

Zastosowanie

Ammonium acetate has been used to prepare eluents for UPLC-MS/MS and HPLC-MS/MS to compare the matrix effect of 9 pharmaceutical compounds in aqueous environmental samples.[2] It has also been used as an additive to improve detection of phosphopeptides using MALDI-MS.[3]

Polecane produkty

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Informacje prawne

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Kod klasy składowania

13 - Non Combustible Solids

WGK

WGK 1

Temperatura zapłonu °F

Not applicable

Temperatura zapłonu °C

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

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Certificate of Origin

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