Ammonium citrate dibasic
SIGMA/09833 - BioXtra, ≥99.0% (T)
Synonym: Ammonium hydrogencitrate; Citric acid ammonium salt; Diammonium hydrogen citrate
CAS Number: 3012-65-5
Empirical Formula (Hill Notation): C6H14N2O7
Molecular Weight: 226.18
EC Number: 221-146-3
MDL Number: MFCD00013068
Linear Formula: HOC(CO2H)(CH2CO2NH4)2
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | chloride (Cl-): ≤5 mg/kg |
| phosphate (PO43-): ≤5 mg/kg | |
| sulfate (SO42-): ≤50 mg/kg | |
| assay | ≥99.0% (T) |
| 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: ≤5 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: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | powder or crystals |
| impurities | insoluble matter, passes filter test |
| InChI | 1S/C6H8O7.2H3N/c7-3(8)1-6 |
| InChI key | YXVFQADLFFNVDS-UHFFFAOYSA |
| pH | 4.0-5.5 (25 °C, 1 M in H2O) |
| product line | BioXtra |
| Quality Level | 200  |
| SMILES string | N.N.OC(=O)CC(O)(CC(O)=O)C |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: ≤0.05 |
| λ: 280 nm Amax: ≤0.03 | |
| vapor density | 1.8 (vs air) |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H319 |
| Precautionary statements | P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37 |
| Safety Statements | 26 |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (T) |
| UNSPSC | 12352200 |