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DL- Ammonium oxalate monohydrate extra pure
| Synonym: | Oxalic acid diammonium salt |
| CAS Number: | 6009-70-7 |
| Linear Formula: | (NH4)2C2O4 · H2O |
| Molecular Weight: | 142.11 |
| Beilstein Registry Number: | 3759830 |
| EC Number: | 238-135-4 |
| MDL number: | MFCD00149694 |
| PubChem Substance ID: | 24846490 |
Description
| Other Notes | Complexes with Cu, thus inhibits spinach chloroplast phenolase1 |
Properties
| product line | BioUltra |
| assay | ≥99.5% (RT) |
| total impurities | insoluble matter, passes filter test |
| loss | ≤0.02% loss on ignition |
| pH | 6.0-7.0 (25 °C, 0.1 M in H2O) |
| mp | 133 °C (dec.)(lit.) |
| solubility | H2O: soluble0.1 M at 20 °C, clear, colorless |
| anion traces | chloride (Cl–): ≤5 mg/kg |
| sulfate (SO42-): ≤20 mg/kg | |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤2 mg/kg | |
| K: ≤50 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤50 mg/kg | |
| Ni: ≤10 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| abs. | absorption0.1M/267 nm, H2O cut-off |
Safety
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H312 |
| Precautionary statements | P280 |
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xn |
| Risk Statements | 21/22 |
| Safety Statements | 24/25 |
| RIDADR | UN 1759 8/PG 3 |
| WGK Germany | 1 |
