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1.06648

Sodium sulfate decahydrate

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):

Sodium sulfate decahydrate

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About This Item

Empirical Formula (Hill Notation):
Na2O4S · 10H2O
CAS Number:
Molecular Weight:
322.20
UNSPSC Code:
12352302
EC Index Number:
231-820-9
NACRES:
NA.21
MDL number:
Assay:
≥99.0% (alkalimetric), 98.5-101% dry basis (alkalimetric)
Grade:
ACS reagent
Form:
crystals
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grade

ACS reagent

Quality Segment

agency

reag. Ph. Eur.

product line

EMSURE®

assay

≥99.0% (alkalimetric), 98.5-101% dry basis (alkalimetric)

form

crystals

impurities

≤0.01% Insoluble matter

loss

52.0-57.0% loss on drying, 130 °C

pH

5.2-8.0 (25 °C, 50 g/L in H2O, anhydrous substance)

mp

32.4 °C

density

1.464 g/cm3

bulk density

700 kg/m3

anion traces

chloride (Cl-): ≤0.0003%, phosphate (PO43-): ≤0.0005%

cation traces

As: ≤0.0001%, Ca: ≤0.002%, Fe: ≤0.0005%, K: ≤0.002%, Mg: ≤0.001%, N: ≤0.0003%, (heavy metals (ACS) ≤ 0.0003%)

storage temp.

15-25°C

SMILES string

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

InChI

1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2

InChI key

RSIJVJUOQBWMIM-UHFFFAOYSA-L

Application


  • Nanoscale Stabilization Mechanism of Sodium Sulfate Decahydrate at Polyelectrolyte Interfaces: Discusses the stabilization mechanisms at the nanoscale, providing insights into sodium sulfate decahydrate′s applications in polyelectrolyte-enhanced processes, relevant in materials science and engineering (Akamo et al., 2024).

Analysis Note

Assay (alkalimetric): ≥ 99.0 %


Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %


Identity: passes test


Appearance of solution: passes test


Insoluble matter: ≤ 0.01 %


pH (5 %;water, 25°C) 7.5 - 9.0


Acidity or alkalinity: passes test


Chloride (Cl): ≤ 0.0003 %


Phosphate (PO₄): ≤ 0.0005 %


Total nitrogen (N): ≤ 0.0003 %


Heavy metals (as Pb): ≤ 0.0003 %


As (Arsenic): ≤ 0.0001 %


Ca (Calcium): ≤ 0.002 %


Fe (Iron): ≤ 0.0005 %


K (Potassium): ≤ 0.002 %


Mg (Magnesium): ≤ 0.001 %


Loss on drying (130 °C): 52.0 - 57.0 %


corresponds to ACS,Reag. Ph Eur

Legal Information

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

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This Item
40300824698071970
description

for analysis EMSURE® ACS,Reag. Ph Eur

description

ACS reagent, ≥99.0%

description

reagent grade, 97%

description

puriss. p.a., crystallized, ≥99.0% (calc. based on dry substance, T)

form

crystals

form

crystals

form

crystals or granules

form

crystals

assay

≥99.0% (alkalimetric), 98.5-101% dry basis (alkalimetric)

assay

≥99.0%

assay

97%

assay

≥99.0% (calc. based on dry substance, T)

Quality Level

300

Quality Level

200

Quality Level

200

Quality Level

200

grade

ACS reagent

grade

ACS reagent

grade

reagent grade

grade

-

cation traces

As: ≤0.0001%, Fe: ≤0.0005%, Mg: ≤0.001%, (heavy metals (ACS) ≤ 0.0003%), Ca: ≤0.002%, N: ≤0.0003%, K: ≤0.002%

cation traces

Ca: ≤0.005%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.003%, heavy metals (as Pb): ≤3 ppm

cation traces

-

cation traces

Ca: ≤20 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤20 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

density

1.464 g/cm3

density

1.46 g/mL at 25 °C (lit.)

density

1.46 g/mL at 25 °C (lit.)

density

1.46 g/mL at 25 °C (lit.)


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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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