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Hydroxyethyl cellulose

CAS Number
9004-62-0
EC Number
618-387-5
Chemical Formula
C2H6O2.xUnspecified
Molecular Weight
806.9 g/mol

Description

Hydroxyethyl cellulose (CAS 9004-62-0 ), commercially known as Natrosol or HEC, is a water-soluble polymer derived from cellulose used primarily as a thickener and rheology modifier across industrial and consumer formulations. It builds viscosity in aqueous systems without requiring heat activation, making it a practical choice for formulators working across multiple end-use sectors. In architectural and industrial coatings, HEC controls sag resistance. It improves brush drag, directly affecting application quality and shelf stability. Construction product manufacturers use it in tile adhesives, cement renders, and joint compounds to extend open time and improve workability. Personal care formulators rely on it to thicken shampoos, lotions, and topical gels, where it also contributes moisture retention to the finished product. In pharmaceutical manufacturing, Cellosize-grade material is used. It is utilized in ophthalmic solutions and tablet coatings where consistent viscosity and purity are critical to product performance. Hydroxyethyl cellulose is supplied as a free-flowing white to off-white powder. Grades are available across a broad viscosity range, including low, medium, and high, to suit different formulation requirements. Recognized specifications include USP , Ph.Eur. , and technical grades. Food-contact and cosmetic-compliant variants are also available from established producers. These materials meet rigorous industry benchmarks for consistency and performance in diverse chemical applications. Contact us for supply of Hydroxyethyl cellulose Request Quote

Other Names (Synonyms)

Natrosol | HEC | Cellosize | Cellulose hydroxyethylate | Cellulose hydroxyethyl ether | 2-Hydroxyethyl cellulose ether | Cellosize QP | Cellosize WP

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point140 °C
Density0.35-0.61 g/cm³
Appearancelight yellow powder
ColorLight brown powder
OdorOdorless
Formpowder
Water Solubilityalmost transparency
pHpH(20g/l,25℃) : 5.0~8.0

Safety & Handling

Warning
GHS07· Irritant

Hazard Statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary Statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P233Store in a well-ventilated place. Keep container tightly closed.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code39123980
Storage Class11 - Combustible Solids
WGK (Germany)3