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Disodium hydrogen phosphate

SIAL/NIST2186II - NIST SRM 2186II

Synonym: Sodium phosphate dibasic; sec-Sodium phosphate; Disodium hydrogen phosphate; Disodium phosphate; Sodium hydrogenphosphate

CAS Number: 7558-79-4
Empirical Formula (Hill Notation): Na2HPO4
Molecular Weight: 141.96
MDL Number: MFCD00003496
Linear Formula: Na2HPO4
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-NIST2186II 30 g
 $947.00
1/EA		 Add To Favorites

 

application(s) general analytical
form powder
grade certified reference material
InChI 1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI key BNIILDVGGAEEIG-UHFFFAOYSA-L
manufacturer/tradename NIST®
packaging pkg of 30 g
pKa (25 °C) (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
Quality Level 100 
SMILES string [Na+].[Na+].[H]OP([O-])([O-])=O
Application: SRM 2186II solution is recommended for the calibration of pH meters to use for the measurement of pD in deuterium oxide.
General description: NIST2186II is certified as a pH standard for pD(S) determination.

SRM 2186II_cert 

SRM 2186II_SDS 
Legal Information: NIST is a registered trademark of National Institute of Standards and Technology
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
UNSPSC 41116107

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