HEC, or Hydroxyethyl Cellulose, is a compound used as a thickening agent, stabilizer, and emulsifier in various applications. Here is some information about HEC:
Chemical Properties: HEC is a cellulose derivative that is water-soluble, providing viscosity to solutions without affecting taste.
Applications:
Food Industry: Used as a thickening agent in sauces, salad dressings, and other food products.
Cosmetics and Personal Care: Acts as a thickener and stabilizer in lotions, creams, and water-based products.
Pharmaceuticals: Used in drug formulations to enhance viscosity and stability.
Advantages: HEC has the ability to provide a smooth texture and improve product stability, and it is non-toxic and safe for use.
General Specifications for Hydroxyethyl Cellulose (HEC):
Chemical Composition:
Molecular formula: C2H6O3 (hydroxyethylated cellulose)
Physical Properties:
Color: Generally white or slightly cream
Form: Fine powder
Density:
Approximately 0.3 to 0.7 g/cm³, depending on the type and formulation.
Solubility:
Soluble in water at room temperature, forming a stable viscous solution.
Viscosity:
Viscosity can vary, typically ranging from 100 to 100,000 mPa·s, depending on concentration and degree of substitution.
Degree of Substitution:
Degree of substitution (DS) typically ranges from 1.5 to 2.5, affecting the properties of the solution and applications.
Stability:
Stable across a wide pH range (pH 3-11) and not affected by low temperatures.
Common Applications:
Food Industry: Thickening and stabilizing agent.
Cosmetics: In lotions, creams, and personal care products.
Pharmaceuticals: In tablet formulations and suspensions.
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