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 |
| Application: | • Improving fourth harmonic generation performance by elevating the operation temperature of ADP crystal: This study highlights the enhancement of fourth harmonic generation in ADP crystals by manipulating their operational temperature, demonstrating a crucial application in optical technologies (Liu et al., 2024  ).• Growth and Temperature Properties of the Phase-Matching Angle of 23% Deuterated ADP Crystal: This research explores the phase-matching properties of deuterated ADP crystals, critical for improving the efficiency of nonlinear optical devices (Sun et al., 2024 ).• Comparison of hydrogen vacancies in KDP and ADP crystals: This paper uses a combination of density functional theory and experimental approaches to study hydrogen vacancies in ADP crystals, providing insights into the structural properties that influence their optical performance (Sui et al., 2019 ).• Structural, spectroscopic, optical, dielectric and mechanical study of pure and l-Proline doped ammonium dihydrogen phosphate single crystals: This comprehensive study addresses how doping ADP crystals with l-proline alters their physical properties, suggesting applications in both optical fields and material science (Hasmuddin et al., 2014 ). |
| 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 |