Hydroxyethyl Cellulose (HEC)

1) Specification.

Item Index
Molar substitution degree (M,S) 1.8-2.0
Moisture content =10
Water insoluble matter (%) =0.5%
PH value 6.0-8.5
Heavy metal (ug/g) =2.0
Ash content (%) =5
Viscosity (mpa.s) 2% 5-100000
20 water solution
Plumbum(%)
=0.001

2) Physicochemical Property:

- Appearance : White or light yellow runny powder
- Odor: Odorless
- Apparent density: 0.35- 0.61g/cm3,
- Decomposition temperature is 205-210?
- 40 screen pass rate: =99%
- Intenerating point: 135 - 140°C

3) Applications:

HEC is mainly used as adhesive protective gelatin, thicker agent and stabilizing
agent as well as additives to make emulsion, frozen gelatin, lotion, eye clear agent,
suppository and tablets. HEC is also used for hydrophilic colloid, framework,
material, ready-made framework controlled release agent, and stabilizing agent
in foodstuff.


Hydroxyethyl Cellulose (HEC)