Ethyl Cellulose (EC)
■ Chemical Description
-- Ethyl Cellulose (abbr. EC)
■ CAS No. 9004-57-3
■ Molecular and Structural Formula C12H20O10
■ Characteristics
--A white to yellowish powder or particle product, odorless and tasteless;
--Soluble in organic solvents like alcohols, ethers, esters and aromatic hydrocarbons;
■ Specification
No |
Tests |
specification |
||
K |
N |
T |
||
1 |
Ethoxyl content % |
44.0~47.9 |
48.0~49.5 |
49.6~51.0 |
2 |
Viscosity(1:4ethanol-toluene,5%) mPa.s |
5.6-330 |
||
3 |
Ignited residue % |
≤0.4 |
||
4 |
Loss after drying % |
≤3.0 |
||
5 |
Heavy metal % |
≤0.0002 |
||
6 |
As % |
≤0.0003 |
■ Application
-- Used as tablet binder and film coating material, as binder, releasing agent and moisture-proof agent in vitamin and mineral tablets;
-- Used in various paintings, inks, cold-resistant material, special plastics and deposits;
-- Macromolecular suspension polymerization dispersant, binder for hard alloy and ceramics, and used in textile industry as printing paste.
■ Packaging and Storage
--Packed in10, 20, 25kg fiber drum or bag;
--Stored in dry place at room temperature;
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