HYDROXYPROPYL
METHYLCELLULOSE
SYNONYM: HPMC;
Cellulose, 2-hydroxypropyl methyl ether;
Hydroxy Propyl Methyl Cellulose; Hypromellose; Isopto-Tears; Methopt;
Poly-Tears; Tears Naturale
CAS NO.: 9004-65-3
GRADE: USP25 (E-15)
DESCRIPTION: WHITE OR OFF-WHITE POWDER, NO VISIBLE EVIDENCE OF
CONTAMINATION BY FOREIGH MATTER.
SPECIFICATIONS:
|
IDENTIFICATION |
CONFORM |
|
PH VALUE |
5.5-7.5 |
|
VISCOSITY |
12.0-18.0CPS |
|
WATER INSOLUBLE |
0.5% MAX |
|
LOSS ON DRYING |
5.0% MAX |
|
RESIDUE ON IGNITION |
1.5% MAX |
|
HEAVY METALS |
0.001% MAX |
|
ARSENIC |
0.0002% MAX |
|
WHITENESS |
80 MIN |
|
METHOXY |
28.0%-30.0% CH3O ON DRY BASIS |
|
HYDROXYPROPAXY |
7.0%-12.0% C3H7O2 ON DRY
BASIS |
|
TOTAL MICROBIAL COUNT |
1000CFU/GRAM MAX |
|
TOTAL MOLD AND YEAST |
100CFU/GRAM MAX |
|
ESCHERICHIA COLI |
NEGATIVE |
USES: Hydroxypropyl
Methyl Cellulose is an enteric film coating material or a matrix binder in
solid dosage forms. It is used as a viscosity control agent, gelling agent,
film former, stabilizer, dispersant, lubricant, binder, emulsifying agents, and
suspending agent. End applications include adhesives and glues, agriculture,
building materials, personal care products, detergents and surfactants, paints,
printing inks, and coatings, pharmaceuticals, food products, polymerization and
textiles.
H.S. NO.: 3912.3100