Filo Chemical
50% Hypophosphorous Acid
H₃PO₂ (Low Chloride)

Quality Specifications

Assay (H₃PO₂)
Phosphorous Acid (H₃PO₃)
Chloride ( Cl)
Iron (Fe)
Arsenic (As)
Color

50.00-52.0%  _.
  0.5% max _{.  .} 
   150 ppm max
     10 ppm max 
.
30 APHA max

Physical Properties

Appearance
Specific Gravity at 20°C
Freezing Point
Molecular Weight

Clear, water-white solution
1.210-1.265                  1.23
<-13°F (<-25°C)
66.0

Packaging

• 560#  plastic drum
  
• 110#  plastic drum
  

Safety Data

CAS No.  6303-21-5
UN No.  3264