Sodium sulfate decahydrate

SIGMA/71969 - BioUltra, ≥99.0% (calc. on dry substance, T)

Synonym: Glauber’s salt

CAS Number: 7727-73-3
Empirical Formula (Hill Notation): Na₂O₄S · 10H₂O
Molecular Weight: 322.20
EC Number: 231-820-9
MDL Number: MFCD00149189
Linear Formula: Na₂SO₄ · 10H₂O
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-71969-500G	500 g	$149.00 1/EA	Add To Favorites
45-71969-1KG	1 kg	$243.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

λ	1 M in H₂O
anion traces	chloride (Cl^-): ≤10 mg/kg
	phosphate (PO₄^3-): ≤10 mg/kg
assay	≥99.0% (calc. on dry substance, T)
cation traces	Al: ≤5 mg/kg
	As: ≤0.1 mg/kg
	Ba: ≤5 mg/kg
	Bi: ≤5 mg/kg
	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
	Li: ≤5 mg/kg
	Mg: ≤5 mg/kg
	Mn: ≤5 mg/kg
	Mo: ≤5 mg/kg
	Ni: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Sr: ≤5 mg/kg
	Zn: ≤5 mg/kg
density	1.46 g/mL at 25 °C (lit.)
form	crystals
grade	reagent grade
impurities	insoluble matter, passes filter test
	≤0.0005% total nitrogen (N)
InChI	1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);101H2/q2+1;;;;;;;;;;;/p-2
InChI key	RSIJVJUOQBWMIM-UHFFFAOYSA-L
loss	53-57% loss on drying
pH	5.0-7.0 (25 °C, 1 M in H₂O)
product line	BioUltra
Quality Level	200
SMILES string	O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O
solubility	H₂O: 1 M at 20 °C, clear, colorless
UV absorption	λ: 260 nm A_max: ≤0.025
	λ: 280 nm A_max: ≤0.021

Application:

Influence of Carboxymethyl Cellulose as a Thickening Agent for Glauber′s Salt-Based Low Temperature PCM.: This study investigates the use of carboxymethyl cellulose to enhance the performance of Glauber′s salt (sodium sulfate decahydrate) as a phase change material (PCM) for low-temperature applications. The results indicate improved stability and efficiency, making it a viable option for thermal energy storage (Thakkar et al., 2024 ).

Nanoscale Stabilization Mechanism of Sodium Sulfate Decahydrate at Polyelectrolyte Interfaces.: The research explores the stabilization of sodium sulfate decahydrate at the nanoscale when interfaced with polyelectrolytes. This stabilization is crucial for enhancing the material′s applicability in energy storage systems and other industrial applications (Akamo et al., 2024 ).

The application of mirabilite in traditional Chinese medicine and its chemical constituents, processing methods, pharmacology, toxicology and clinical research.: An extensive review of the use of mirabilite (sodium sulfate decahydrate) in traditional Chinese medicine, focusing on its chemical properties, processing techniques, pharmacological effects, and clinical applications. The review underscores its historical and modern therapeutic relevance (Tao et al., 2023 ).

Stabilization of low-cost phase change materials for thermal energy storage applications.: This study addresses the stabilization methods for low-cost phase change materials, including sodium sulfate decahydrate, for use in thermal energy storage. It highlights the material′s potential for cost-effective and efficient energy solutions (Akamo et al., 2023 ).

Other Notes:

Protein precipitant in the purification of nitrate reductase; Fractionation of nucleotides by inorganic salt co-precipitation; Diluent in the luciferase assay of bacterial content

RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.0% (calc. on dry substance, T)
Density	1.46 g/mL at 25 °C (lit.)
UNSPSC	12352302

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