methyl 2-hydroxyethyl cellulose 2-Hydroxyethyl methyl cellulose HEMC
Synonyms: methyl 2-hydroxyethyl cellulose; 2-Hydroxyethyl methyl cellulose
Cas No.: 9032-42-2
Molecular Formula: C2H6O2·xCH4O·x
Executable standard: Q/CQPK 01-2015
Type |
Specifications |
|
E-H |
E-L |
|
Methoxy Degree of Substitution |
1.4-1.6 |
1.4-1.6 |
Hydroxy Ethoxy Degree of Substitution |
0.25-0.35 |
0.15-0.25 |
Gel Temperature(℃) |
80-90 |
80-85 |
Appearance |
White or Similar White Powder, No Mechanical Impurities, No Smell, Tasteless |
|
PH |
5.0-8.0 |
|
Viscosity( measured by Brookfield RV viscometer on condition of 2% solution, Dry Basis, 20±0.2℃) |
400-80000 mPa.s |
|
Particle Size |
General 90% through250 (ASTM Mesh No. 60) |
|
Fine 80% through125 (ASTM Mesh No. 120) |
||
Superfine 80% through106 (ASTM Mesh No. 140) |
||
Loss on Drying % |
≤8.0 |
|
Residue Ignition % |
≤3.0 |
|
Cl % |
≤3.0 |
Package:
In 25kg kraft paper bag or jumbo bag/drum.
Store:
Sealed and stored in cool, dry conditions.
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