Hydroxypropyl Cellulose (HPC)

Hydroxypropyl Cellulose (HPC)
CAS No.:9004-64-2
M.F:C36H70O19
Hydroxypropyl % 60-66
Moisture % 5 max
Hydroxypropyl Cellulose (HPC)
CAS No.:9004-64-2
M.F:C36H70O19

Hydroxypropyl-cellulose(HPC)

Product Specifications:
Item Unit Index
Hydroxypropyl % 60-66
Moisture % ≤5
Ash % ≤0.5
PH - 5.0-8.5
Viscosity mpa.s See viscosity classification

Viscosity Classification:
Model Density(%) Viscosity (mpa.s)
1 1 1500-2500
2 2 4000-6500
3 2 150-400
4 5 150-400
5 5 75-150
6 10 300-700

Property and Performance :
1. Physical Property:
Appearance White or white Powder,no odor or taste
Granular size Over 99% through 20mesh,not less than 95% through 30mesh
Bulk specific weight 0.5-0.6g/ml
Specific weight 1.2224
Hot Stability Color change temperature 195-210°C
Carbonization temperature 260-275°C
Softening Point 130°C

2. Performance:
HPC is a kind of important non-ion aqueous cellulose ether,the unique performance as below:
(1) Solubility in Water HPC dissolves in water.
(2) Solubility in Polar Organic Solvent It can dissolve in polar organic solvents such as methyl alcohol,alcohol,chloroform,acetone etc.
(3)Hot Gelling Feature The water solution goes up or down with temperature,and takes on a reversible gelling process.
(4)Thermoplasticity The temperature of hot plasticity ranges between 130-150° C, within the range HPC may be processed as plastic.
(5)Membrane Forming HPC can form membrane with roughness,smoothness and good elasticity.
(6) Cohesiveness It has strong coherence,and is used as thickening agent in solution.
(7) Dispersiveness Its water solution owns surface activity, providing effect of dispersion, emulsification and suspension.
(8) Anti-enzyme Property Owing to full reaction of substitution,the substitutive bases distribute homogeneous,HPC has comparatively strong anti-enzyme property and good resistance to bio-degradation.
(9) Hygroscopicity HPC contains low average moisture.
(10) Liquid Crystal Reaction Its thick solution may form regular-directional liquid crystal.
(11) Safety HPC has no medical effect,nor toxicity,with low ash,physiologically harmless, and offers inert to metabolism.
(12) Stability HPC presents chemical inertia,stable even under lightly acidic or alkaline conditions.