1.04633

Hypophosphorous acid

50%, for analysis EMSURE^®

• Synonym(s): Hypophosphorous acid
• UNSPSC Code: 12352301
• NACRES: NA.21

Properties

• product name: Hypophosphorous acid 50%, for analysis EMSURE^®
• vapor pressure: 30 hPa ( 20 °C)
• Quality Level: 300
• product line: EMSURE^®
• form: liquid
• concentration: ≥49.5% (alkalimetric)
• impurities: ≤0.0001% Cd (Cadmium); ≤0.0001% Zn (Zinc); ≤0.0005% As (Arsenic); ≤0.0005% Cu (Copper); ≤0.0005% Mn (Manganese); ≤0.0005% Ni (Nickel); ≤0.0005% Pb (Lead); ≤0.001% K (Potassium); ≤0.005% Ba (Barium); ≤0.005% Ca (Calcium); ≤0.005% Fe (Iron); ≤0.015% Chloride (Cl); ≤0.02% Total sulfur (as SO₄); ≤0.10% Na (Sodium)
• pH: 1 (20 °C in H₂O)
• bp: 108 °C/1013 hPa (decomposition)
• mp: <-25 °C
• density: 1.21-1.26 g/cm³ at 20 °C
• storage temp.: no temp limit

Description

Application

• One-Pot Synthesis and in Silico Molecular Docking Studies of Arylselanyl Hydrazides as Potential Antituberculosis Agents.: This research illustrates the utilization of 50% Hypophosphorous acid in the synthesis of arylselanyl hydrazides, emphasizing its role as a reducing agent to facilitate novel antituberculosis compounds, reflecting its significance in medicinal chemistry applications (Borges et al., 2022).


• Formation of Thick Aminophenyl Films from Aminobenzenediazonium Ion in the Absence of a Reduction Source.: This study explores the action of 50% Hypophosphorous acid in the spontaneous formation of aminophenyl films from diazonium ions without additional reducing agents, highlighting its potential in surface coating processes (Simons et al., 2014).

Analysis Note

Assay (alkalimetric): ≥ 49.5 %
Phosphorous acid and phosphoric acid (as H₃PO₃): ≤ 2
Chloride (Cl): ≤ 0.015 %
Total sulfur (as SO₄): ≤ 0.02 %
As (Arsenic): ≤ 0.0005 %
Ba (Barium): ≤ 0.005 %
Ca (Calcium): ≤ 0.005 %
Cd (Cadmium): ≤ 0.0001 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.005 %
K (Potassium): ≤ 0.001 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.10 %
Ni (Nickel): ≤ 0.0005 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.0001 %

Legal Information

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

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H290 - H314
• Precautionary Statements: P234 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1
• Storage Class Code: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable