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Hydroxyethyl cellulose
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Product description
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Hydroxyethyl cellulose (HEC) is a white or light yellow, odorless, non-toxic, fibrous or powdered solid, prepared by etherification of alkaline cellulose and ethylene oxide (or chloroethanol). Non-ionic soluble cellulose ethers. Because HEC has good thickening, suspending, dispersing, emulsifying, bonding, film forming, protecting moisture and providing protective colloids, it has been widely used in petroleum exploration, coatings, construction, medicine and food, textiles, papermaking, and polymers. Polymerization and other fields. 40 mesh sieving rate ≥99%;
Basic Information
Chinese name: Hydroxyethyl cellulose
Chinese synonyms: 2-hydroxyethyl ether cellulose; 2-hydroxyethyl cellulose; Hydroxyethyl cellulose; cellulose hydroxyethyl ether
English name: HEC, Hydroxyethyl Cellulose
English 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
Molecular formula: C2H6O2·x
Melting point: 288-290℃(dec.)
Density: 0.75 g/mL at 25℃(lit.)
Softening temperature: 135-140℃
Performance density: 0.35-0.61g/ml
Decomposition temperature: 205-210℃; burning speed is slow
Equilibrium temperature content: 23℃; 6% at 50%rh, 29% at 84%rh.
Appearance: This product is white to light yellow fibrous or powdery solid, non-toxic and tasteless
Solubility: H2O: ≤5 wt.% at 20℃, easily soluble in water. Insoluble in general organic solvents. It has the properties of thickening, suspending, bonding, emulsifying, dispersing and retaining moisture. Can prepare solutions with different viscosity ranges. It has exceptionally good salt solubility for electrolytes.
Form:powder
Merck: 4673
Appearance: white to light yellow fibrous or powdery solid, non-toxic, tasteless, and easily soluble in water. Insoluble in general organic solvents.
The viscosity changes little within the range of 2-12, but the viscosity decreases beyond this range. It has the properties of thickening, suspending, bonding, emulsifying, dispersing, retaining moisture and protecting colloid. Can prepare solutions with different viscosity ranges. It is unstable under normal temperature and pressure, avoids humidity, heat, and high temperature. It has exceptionally good salt solubility to the dielectric. Its aqueous solution allows high concentrations of salts to be stable and unchanging.
Packaging storage method:
The paper bag is lined with polyethylene bag, 25kg/bag, pay attention to moisture.
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