Ammonium oxalate monohydrate
SIGALD/32304 - puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-101.0%
Synonym: Oxalic acid diammonium salt
CAS Number: 6009-70-7
Empirical Formula (Hill Notation): C2H8N2O4 · H2O
Molecular Weight: 142.11
EC Number: 238-135-4
MDL Number: MFCD00149694
Linear Formula: (NH4)2C2O4 · H2O
Product Type: Chemical
| agency | reag. ISO |
| reag. Ph. Eur. | |
| USP/NF | |
| anion traces | chloride (Cl-): ≤5 mg/kg |
| nitrate (NO3-): ≤5 mg/kg | |
| sulfate (SO42-): ≤20 mg/kg | |
| assay | 99.5-101.0% |
| cation traces | Ca: ≤10 mg/kg |
| Cd: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤2 mg/kg | |
| K: ≤10 mg/kg | |
| Mg: ≤10 mg/kg | |
| Na: ≤10 mg/kg | |
| Pb: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | crystalline |
| grade | ACS reagent |
| puriss. p.a. | |
| ign. residue | ≤0.02% (as SO4) |
| impurities | ≤0.005% in water insoluble matters |
| InChI | 1S/C2H2O4.2H3N.H2O/c3-1(4 |
| InChI key | MSMNVXKYCPHLLN-UHFFFAOYSA |
| mp | 133 °C (dec.) (lit.) |
| pH | 6-7 (20 °C, 2.5%) |
| Quality Level | 100  |
| SMILES string | OC(C(O)=O)=O.N.O.N |
| vapor pressure | <0.1 hPa ( 20 °C) |
| Application: | Ammonium oxalate monohydrate may be used to prepare an electrochemiluminescence (ECL) solution containing 1mM tris(2,2-bipyridyl)ruthen |
| General description: | Ammonium oxalate monohydrate is the diammonium salt of oxalic acid. Its refined crystal structure has been investigated by three-dimensional diffraction studies. Influence of bivalent [Mn(II), Co(II), Ni(II)] and trivalent cations [Fe(III), Cr(III)] impurities on the growth rates of ammonium oxalate monohydrate crystals has been described. Its space group and unit cell parameters have been analyzed by neutron diffraction studies. Its IR spectra has been compared with that of isolated coal-solubilizing agent (CSA). |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 + H312 - H319 |
| Precautionary statements | P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 21/22 |
| Safety Statements | 24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.5-101.0% |
| mp | 133 °C (dec.) (lit.) |
| UNSPSC | 12352300 |