di-Sodium hydrogen phosphate dodecahydrate

Name: di-Sodium hydrogen phosphate dodecahydrate
Brand: MM

for analysis EMSURE^® ISO,Reag. Ph Eur

Synonym(s):

Sodium phosphate dibasic dodecahydrate, Sodium monohydrogen phosphate, Sodium phosphate dibasic, sec-Sodium phosphate, Disodium hydrogen phosphate dodecahydrate, Disodium phosphate, di-Sodium hydrogen phosphate dodecahydrate

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About This Item

Linear Formula:

Na₂HPO₄ · 12H₂O

CAS Number:

10039-32-4

Molecular Weight:

358.14

NACRES:

NA.21

EC Index Number:

231-448-7

UNSPSC Code:

12352302

MDL number:

MFCD00149181

assay:

99.0-102.0% (alkalimetric)

form:

solid

solubility:

218 g/L

Product Name

di-Sodium hydrogen phosphate dodecahydrate, for analysis EMSURE^® ISO,Reag. Ph Eur

InChI

1S/2Na.H3O4P.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;;(H3,1,2,3,4);12*1H2/q2*+1;;;;;;;;;;;;;/p-2

SMILES string

O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O

InChI key

DGLRDKLJZLEJCY-UHFFFAOYSA-L

agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE^®

assay

99.0-102.0% (alkalimetric)

form

solid

potency

>2000 mg/kg LD₅₀, oral (Rat)

composition

Water, 57-61%

impurities

≤2.5% Sodium Dihydrogene phospate

pH

9.0-9.3 (20 °C, 50 g/L in H₂O)

solubility

218 g/L

density

1.52 g/cm³ at 20 °C

bulk density

800‑900 kg/m³

anion traces

chloride (Cl^-): ≤0.0005%
sulfate (SO₄^2-): ≤0.005%

cation traces

As: ≤0.00005%
Cu: ≤0.0002%
Fe: ≤0.0005%
K: ≤0.005%
N: ≤0.001%
Pb: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

storage temp.

15-25°C

Quality Level

300

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Related Categories

Lab Chemicals

Phosphates

Salts

Analysis Note

Assay (alkalimetric): 99.0 - 102.0 %
Identity: passes test
Appearance of solution: passes test
Sodium Dihydrogene phospate: ≤ 2.5 %
pH-value (5 %; water): 9.0 - 9.3
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.00005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Pb (Lead): ≤ 0.0005 %
Reducing substances: passes test
Water: 57.0 - 61.0 %
Corresponds to ISO,Reag. Ph Eur

Other Notes

Replaces: SX0718; SX0718-1

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Application

di-Sodium hydrogen phosphate dodecahydrate can be used as a:

Reagent in the intramolecular Heck Reaction to synthesize fused indolines.
Phase change material to enhance thermal energy storage in heat sinks.

It can also be used to prepare mobile-phase buffer solutions, which are employed in the chromatographic analysis of arsenic species in rice samples.

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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