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NIST194A

Ammonium dihydrogen phosphate

NIST® SRM® 194a

Synonym(s):

Ammonium phosphate monobasic, mono-Ammonium phosphate, prim-Ammonium phosphate, Ammonium dihydrogenphosphate

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About This Item

Linear Formula:
NH4H2PO4
CAS Number:
7722-76-1
Molecular Weight:
115.03
NACRES:
NA.24
PubChem Substance ID:
329818725
UNSPSC Code:
41116107
MDL number:
MFCD00003396
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grade

certified reference material

Quality Level

100

packaging

pkg of 90 g

manufacturer/tradename

NIST®

mp

190 °C (dec.) (lit.)

application(s)

agriculture

format

neat

SMILES string

N.OP(O)(O)=O

InChI

1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N

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

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.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

7722-76-1

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Global Trade Item Number

SKUGTIN
NIST194A04061834140702