Ammonium acetate
SIAL/73594 - LiChropur™, eluent additive for LC-MS
CAS Number: 631-61-8
Empirical Formula (Hill Notation): C2H7NO2
Molecular Weight: 77.08
EC Number: 211-162-9
MDL Number: MFCD00013066
Linear Formula: CH3CO2NH4
Product Type: Chemical
| λ | 1 M in H2O |
| agency | suitable for ASTM® 7968 |
| suitable for ASTM® 7979 | |
| suitable for DIN 38407-42 | |
| suitable for EPA 1633 | |
| suitable for EPA 533 | |
| suitable for EPA 537.1 | |
| suitable for EPA 8327 | |
| suitable for EPA ACB B21-02 | |
| suitable for EPA ACB B23-05b | |
| suitable for GB 31604.35-2016 | |
| suitable for GB 5009.253-2016 | |
| suitable for ISO 21675 2019 | |
| suitable for ISO 25101 | |
| suitable for ISO/CEN 15968-2010 | |
| anion traces | chloride (Cl-): ≤5 mg/kg |
| nitrate (NO3-): ≤10 mg/kg | |
| sulfate (SO42-): ≤10 mg/kg | |
| application(s) | PFAS testing |
| assay | ≥99.0% (calc. on dry substance, T) |
| cation traces | 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 | |
| form | solid |
| ign. residue | ≤0.01% (as SO4) |
| impurities | insoluble matter, passes filter test |
| ≤1% water | |
| InChI | 1S/C2H4O2.H3N/c1-2(3)4;/h |
| InChI key | USFZMSVCRYTOJT-UHFFFAOYSA |
| mp | 110-112 °C (dec.) (lit.) |
| pH | 6.2-7.5 (25 °C, 1 M in H2O) |
| product line | LiChropur™ |
| quality | LiChropur™ |
| Quality Level | 100  |
| reg. compliance | suitable for FDA C-010.02 |
| SMILES string | N.CC(O)=O |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| suitability | passes test for LC-MS |
| technique(s) | LC/MS: suitable |
| UV absorption | λ: 260 nm Amax: ≤0.015 |
| λ: 280 nm Amax: ≤0.010 |
| Application: | 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. It has also been used as an additive to improve detection of phosphopeptides using MALDI-MS. |
| General description: | 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. |
| Legal Information: | ASTM is a registered trademark of American Society for Testing and Materials |
| Legal Information: | LiChropur is a trademark of Merck KGaA, Darmstadt, Germany |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (calc. on dry substance, T) |
| mp | 110-112 °C (dec.) (lit.) |
| UNSPSC | 41115710 |