04434

Sodium hypophosphite

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

• Formule linéaire : NaPH₂O₂
• Numéro CAS: 7681-53-0
• Poids moléculaire : 87.98
• Numéro CE : 231-669-9
• Numéro MDL: MFCD09265474
• Code UNSPSC : 12352300
• eCl@ss : 38070302
• ID de substance PubChem : 329747926
• Nomenclature NACRES : NA.21

Propriétés

• Niveau de qualité: 200
• Qualité: puriss.; meets analytical specification of BPC63
• Pureté: 98-101%
• Forme: powder or crystals
• Impuretés: ≤0.001% heavy metals (as Pb); ≤0.2% free alkali (as CaO)
• Perte: ≤1% loss on drying, 105 °C, 2 h
• Solubilité: water: soluble 909 g/L at 30 °C
• Densité: 1.77 g/cm³ at 20 °C
• Traces d'anions: chloride (Cl^-): ≤200 mg/kg; sulfate (SO₄^2-): ≤200 mg/kg
• Traces de cations: As: ≤2 mg/kg; Fe: ≤10 mg/kg
• Chaîne SMILES: [Na+].[O-][PH2]=O
• InChI: 1S/Na.H3O2P/c;1-3-2/h;3H2,(H,1,2)/q+1;/p-1
• Clé InChI: SIGUVTURIMRFDD-UHFFFAOYSA-M

Description

Description générale

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.

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).

Informations sur la sécurité

• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable