Overview

Hydroxyethyl cellulose (HEC), chemical formula (C2H6O2)n, is a white or light yellow, odorless, non-toxic fibrous or powdery solid composed of alkaline cellulose and ethylene oxide (or chlorohydrin) It is prepared by etherification and belongs to non-ionic soluble cellulose ethers. Because HEC has good properties of thickening, suspending, dispersing, emulsifying, bonding, film-forming, protecting moisture and providing protective colloids, it has been widely used in oil exploration, coatings, construction, medicine and food, textiles, papermaking and polymers. Polymerization and other fields. 40 mesh sieving rate ≥ 99%.

Synonyms: Hydroxyethyl cellulose ether; Hydroxyethyl ether cellulose; Natrosol; Natrosol 240JR; Natrosol 250 H; Natrosol 250 HHR; Natrosol 250 M; Natrosol L 250; Natrosol LR

CAS：9004-62-0

MDL：MFCD00072770

InChI：1S/C4H10O2S2/c5-1-3-7-8-4-2-6/h5-6H,1-4H2

Common classification:

Chemicals > Carbohydrates > Cellulose; Fine Chemicals > Coating Additives > Coating Thickeners; Fine Chemicals > Food Additives > Thickeners

Physical and chemical properties

Molecular formula: C2H6O2·x

Melting point: 288-290℃ (dec.)

Density: 0.75 g/mL at 25℃ (lit.)

Softening temperature: 135-140℃

Apparent density: 0.35-0.61g/ml

Decomposition temperature: 205-210℃; slow burning speed

Equilibrium temperature content: 23℃; 6% when 50%rh, 29% when 84%rh

Solubility: H2O: ≤5 wt. % at 20℃ Easily soluble in water. Insoluble in general organic solvents. It has the properties of thickening, suspending, binding, emulsifying, dispersing and retaining moisture. Solutions of different viscosity ranges can be prepared. It has exceptionally good salt solubility for electrolytes.

Form: powder

Appearance properties: white to light yellow fibrous or powdery solid, non-toxic, odorless, easily soluble in water. Insoluble in general organic solvents.

In the range of PH value of 2-12, the viscosity change is small, but the viscosity decreases beyond this range. It has the properties of thickening, suspending, bonding, emulsifying, dispersing, retaining moisture and protecting colloid. Solutions of different viscosity ranges can be prepared. It is unstable under normal temperature and pressure, avoiding humidity, heat and high temperature. It has exceptionally good salt solubility for dielectrics, and its aqueous solution is allowed to contain high concentrations of salts and remains stable.