Ammonium phosphate monobasic
SIAL/88431 - analytical standard, for nitrogen determination according to Kjeldahl method, ≥99.5%
Synonym: mono-Ammonium phosphate; prim-Ammonium phosphate; Ammonium dihydrogenphosphate
CAS Number: 7722-76-1
Empirical Formula (Hill Notation): H6NO4P
Molecular Weight: 115.03
EC Number: 231-764-5
MDL Number: MFCD00003396
Linear Formula: NH4H2PO4
Product Type: Chemical
| application(s) | food and beverages |
| assay | ≥99.5% |
| ≥99.5% (T) | |
| description | traceable to NIST SRM 194 |
| format | neat |
| grade | analytical standard |
| impurities | 12.18%±0.10% total Kjeldahl nitrogen |
| InChI | 1S/H3N.H3O4P/c;1-5(2,3)4/ |
| InChI key | LFVGISIMTYGQHF-UHFFFAOYSA |
| loss | ≤0.2% loss on drying |
| mp | 190 °C (dec.) (lit.) |
| pH | 3.8-4.4 (25 °C, 50 mg/mL in H2O) |
| Quality Level | 100  |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | N.OP(O)(O)=O |
| solubility | H2O: soluble, clear, colorless |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| titration: suitable |
| Application: | It is used as a standard for nitrogen determination according to Kjeldahl′s method. |
| Caution: | Store at room temperature. We recommend to purge with dried argon or nitrogen after first use to exclude humidity. |
| Features and Benefits: | • Available in a neat format, in a secure glass bottle to ensure its stability for the entire shelf life until opened. • Offers accurate titer determinations • Accompanied by a certificate of analysis (CoA) |
| General description: | Ammonium dihydrogen phosphate is an analytical standard produced under rigorous conditions and measured with the highest possible precision. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% (T); ≥99.5% |
| mp | 190 °C (dec.) (lit.) |
| UNSPSC | 85151701 |