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1.04633 Supelco

Hypophosphorous acid 50%

for analysis EMSURE®

Synonym: Hypophosphorous acid

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Properties

Quality Level   300
vapor pressure   30 hPa ( 20 °C)
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 conditions   no restrictions.

Description

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 %

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
corrosive
WGK Germany 
1
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