Sodium phosphate dibasic

SIGMA/S3264 - Molecular Biology, ≥98.5% (titration)

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

CAS Number: 7558-79-4
Empirical Formula (Hill Notation): Na₂HPO₄
Molecular Weight: 141.96
EC Number: 231-448-7
MDL Number: MFCD00003496
Linear Formula: Na₂HPO₄
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-S3264-250G	250 g	$75.70 1/EA	Add To Favorites
45-S3264-500G	500 g	$130.00 1/EA	Add To Favorites
45-S3264-1KG	1 kg	$188.00 1/EA	Add To Favorites

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This image depicts SKU: S3264-250G

Properties
Descriptions
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤40 ppm
application(s)	diagnostic assay manufacturing
assay	≥98.5% (titration)
cation traces	Fe: ≤20 ppm
	heavy metals (as Pb): ≤10 ppm
foreign activity	DNase, RNase and protease, none detected
form	powder
grade	Molecular Biology
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
pH	8.9-9.2 (25 °C, 50 g/L in water)
pKa (25 °C)	(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
Quality Level	300
SMILES string	[Na+].[Na+].[H]OP([O-])([O-])=O
solubility	H₂O: 100 mg/mL

Application:	Electrospraying of Bio-Based Chitosan Microcapsules Using Novel Mixed Cross-Linker: Experimental and Response Surface Methodology Optimization.: Published in Materials, this research explores the use of sodium phosphate dibasic as a cross-linker in the electrospraying of chitosan microcapsules. The study emphasizes the chemical′s importance in optimizing the microcapsule formation process for potential biomedical applications (Uko et al., 2022 ). Compound treatment of thiolated citrus high-methoxyl pectin and sodium phosphate dibasic anhydrous improved gluten network structure.: This article from Food Chemistry demonstrates how sodium phosphate dibasic anhydrous enhances the gluten network structure when combined with thiolated citrus high-methoxyl pectin, suggesting applications in food science and nutrition (Chen et al., 2023 ).
Packaging:	1 kg in poly bottle
Packaging:	250, 500 g in poly bottle

RIDADR	UN 3077 9 / PGIII
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥98.5% (titration)
UNSPSC	12161700

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