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About This Item
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
eCl@ss:
38070209
grade
certified reference material
agency
NIST standard reference material
packaging
pkg of 30 g
manufacturer/tradename
NIST®
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp
252.6 °C (lit.)
density
2.338 g/mL at 25 °C (lit.)
application(s)
general analytical
format
neat
SMILES string
[K+].OP(O)([O-])=O
InChI
1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChI key
GNSKLFRGEWLPPA-UHFFFAOYSA-M
General description
Application
SRM 2186I solution is recommended for the calibration of pH meters to use for the measurement of pD in deuterium oxide.
Other Notes
Certified for the analytes listed below.
Potassium Dihydrogen Phosphate
See certificate for values and more details at nist.gov/SRM.
Potassium Dihydrogen Phosphate
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
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
| SKU | GTIN |
|---|---|
| NIST2186I | 04061834141372 |