Ammonium dihydrogen phosphate
SIAL/NIST194A - NIST® SRM® 194a
Synonym: Ammonium phosphate monobasic; mono-Ammonium phosphate; prim-Ammonium phosphate; Ammonium dihydrogenphosphate
CAS Number: 7722-76-1
Empirical Formula (Hill Notation): H6NO4P
Molecular Weight: 115.03
MDL Number: MFCD00003396
Linear Formula: NH4H2PO4
Product Type: Chemical
| application(s) | agriculture |
| format | neat |
| grade | certified reference material |
| InChI | 1S/H3N.H3O4P/c;1-5(2,3)4/ |
| InChI key | LFVGISIMTYGQHF-UHFFFAOYSA |
| manufacturer/tradename | NIST® |
| mp | 190 °C (dec.) (lit.) |
| packaging | pkg of 90 g |
| Quality Level | 100  |
| SMILES string | N.OP(O)(O)=O |
| General description: | This Standard Reference Material (SRM) is a highly purified and homogeneous lot of crystalline ammonium dihydrogen phosphate (NH4H2PO4). It is intended primarily for use as a working standard in the calibration and standardization of procedures employed in the fertilizer industry for the determination of ammoniacal nitrogen and phosphorus. For more information, please refer to the SDS and COA. SRM 194A_cert  SRM 194A_SDS |
| Legal Information: | NIST is a registered trademark of National Institute of Standards and Technology |
| Legal Information: | SRM is a registered trademark of National Institute of Standards and Technology |
| Other Notes: | Certified for the analytes listed below. Nitrogen (N), Phosphorus (P) Reference/Informational value is provided for the following analytes. Aluminum (Al), Fluorine (F), Neodymium (Nd), Sulfur (S), Antimony (Sb), Gadolinium (Gd), Nickel (Ni), Tantalum (Ta), Arsenic (As), Gallium (Ga), Niobium (Nb), Tellurium (Te), Barium (Ba), Germanium (Ge), Osmium (Os), Terbium (Tb), Beryllium (Be), Gold (Au), Palladium (Pd), Thallium (Th), Bismuth (Bi), Hafnium (Hf), Latinum (La), Thorium (Th), Boron (B), Holmium (Ho), Potassium (K), Thulium (Tm),Bromine (Br), Indium (In), Praseodymium (Pr), Tin (Sn), Cadmium (Cd), Iodine (I), Rhenium (Re), Titanium (Ti), Calcium (Ca), Iridium (Ir) Rhodium (Rh), Tungsten (W), Cerium (Ce), Iron (Fe) Rubidium (Rb), Uranium (U), Cesium (Ce), Lanthanum (La), Ruthenium (Ru), Vanadium (V), Chlorine (Cl), Lead (Pb), Samarium (Sm), Ytterbium (Yb), Chromium (Cr), Lithium (Li), Scandium (Sc), Yttrium (Yt), Cobalt (Co), Lutetium (Lu), Selenium (Se), Zinc (Zn), Copper (Cu), Magnesium (Mg), Silicon (Si), Zirconium (Zr), Dysprosium (Dy), Manganese (Mn), Silver (Ag), Erbium (Er) Mercury (Hg), Sodium (Na), Europium (Eu), Molybdenum (Mo), Strontium (Sr) See certificate for values and more details at nist.gov/SRM. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 190 °C (dec.) (lit.) |
| UNSPSC | 41116107 |