Category / Type

35% H2O2 for industry

50% H2O2 for industry

Appearance

Colorless, transparent liquid

Colorless, transparent liquid

Combustibility

None

None

Odor

Weak peculiar odor

Weak peculiar odor

Active oxygen wt %

16.5

23.5

Specific gravity
(20 , g/ml)

1.133

1.196

Apparent pH

2.5

1.5

Melting point 

108

114

Freezing point 

-33

-52

Vapor pressure mmHg 30 

-

-

Total Pressure(H2O2 + H2O)

23

18

Partial pressure (H2O2 )

0.36

0.74

Viscosity 20 , cP

1.11

1.17