Sodium hypophosphite

SIGALD/04434 - puriss., meets analytical specification of BPC63, anhydrous, 98-101%

CAS Number: 7681-53-0
Empirical Formula (Hill Notation): H₂NaO₂P
Molecular Weight: 87.98
EC Number: 231-669-9
MDL Number: MFCD09265474
Linear Formula: NaPH₂O₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-04434-1KG	1 kg	$185.00 1/EAAdd To Favorites	Add To Favorites

anion traces	chloride (Cl^-): ≤200 mg/kg
	sulfate (SO₄^2-): ≤200 mg/kg
assay	98-101%
cation traces	As: ≤2 mg/kg
	Fe: ≤10 mg/kg
density	1.77 g/cm³ at 20 °C
form	powder or crystals
grade	puriss.
impurities	≤0.001% heavy metals (as Pb)
	≤0.2% free alkali (as CaO)
InChI	1S/Na.H3O2P/c;1-3-2/h;3H2,(H,1,2)/q+1;/p-1
InChI key	SIGUVTURIMRFDD-UHFFFAOYSA-M
loss	≤1% loss on drying, 105 °C, 2 h
quality	meets analytical specification of BPC63
Quality Level	200
SMILES string	[Na+].[O-][PH2]=O
solubility	water: soluble 909 g/L at 30 °C

Application:

Synthesis and characterization of chitosan-copper nanocomposites and their catalytic properties for 4-nitrophenol reduction.: This study explores the synthesis of chitosan-copper nanocomposites using sodium hypophosphite as a reducing agent. The resulting nanocomposites are characterized and their catalytic properties for the reduction of 4-nitrophenol are evaluated, demonstrating the utility of sodium hypophosphite in catalytic applications (Pang et al., 2024 ).

The Durable Chitosan Functionalization of Cellulosic Fabrics.: This research focuses on the durable functionalization of cellulosic fabrics with chitosan using sodium hypophosphite as a cross-linking agent. The study highlights the improved properties of the fabrics, showcasing sodium hypophosphite′s role in textile enhancement (Flinčec Grgac et al., 2023 ).

Hypophosphite cross-linked starch succinate/chitosan membranes as alternative for packaging and pharmaceutical application.: The study investigates the development of starch succinate/chitosan membranes cross-linked with sodium hypophosphite, proposing these materials as potential alternatives for packaging and pharmaceutical applications (Bajer, 2023 ).

Tensile Strength Improvements of Ramie Fiber Threads through Combination of Citric Acid and Sodium Hypophosphite Cross-Linking.: This research improves the tensile strength of ramie fiber threads by combining citric acid and sodium hypophosphite for cross-linking, demonstrating significant enhancements in fiber properties for industrial applications (Wulandari et al., 2023 ).

Nickel-Catalyzed Sodium Hypophosphite-Participated Direct Hydrophosphonylation of Alkyne toward H-Phosphinates.: This study demonstrates a novel nickel-catalyzed hydrophosphonylation of alkynes using sodium hypophosphite. The research showcases the efficiency of sodium hypophosphite in producing H-phosphinates, highlighting its significance in chemical synthesis (Qian et al., 2023 ).

General description:

Sodium hypophosphite, also known as sodium phosphinate, is a sodium salt of hypophosphorous acid. It is used as a reducing agent for the reduction of metal salts to metals in an aqueous solution. It is also employed as a source of hydrogen in heterogeneous catalytic transfer reductions.

RIDADR	NONH for all modes of transport
WGK Germany	WGK 2
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	98-101%
Density	1.77 g/cm³ at 20 °C
UNSPSC	12352302