Hydroxypropyl Methylcellulose Phthalate, USP 55 HP
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Product Description
Product
Hydroxypropyl Methylcellulose Phthalate, USP 55 HP
CAS
9050-31-1
Synonym
Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether; HPMCP; Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride
Typical Product Specifications
Description
White to slightly off-white powderSubstitution t
Phathalyl Content
(%) 27.0 - 35.0
Free Phthalic Acid
NMT 1.0%
Sensoric
White Powder
Apparent Viscosity
32 - 48 cSt
Arsenic PPM
NMT 2 ppm
Sulfated Ash
NMT 0.2%
Methoxyl Content
18.0 - 22.0
HydroxyPropoxy Content
7.0 - 12.0
Heavy Metals; USP <231>
NMT 10 ppm
Loss on Drying
NMT 5.00%
Chlorides
NMT 0.07%
pH
(1% solution) 5.0 - 9.0
Notes
Shelf Life: Three years if stored at room temperature in unopened, original packs in dry condition
Application: This solvent soluble polymer provides an enteric coating using general coating method
Use: ORAL CARE
Class
Industry
Functions
Hydroxypropyl Methylcellulose Phthalate, USP 55 HP
Product Description
Product
Hydroxypropyl Methylcellulose Phthalate, USP 55 HP
CAS
9050-31-1
Synonym
Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether; HPMCP; Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride
Typical Product Specifications
Description
White to slightly off-white powderSubstitution t
Phathalyl Content
(%) 27.0 - 35.0
Free Phthalic Acid
NMT 1.0%
Sensoric
White Powder
Apparent Viscosity
32 - 48 cSt
Arsenic PPM
NMT 2 ppm
Sulfated Ash
NMT 0.2%
Methoxyl Content
18.0 - 22.0
HydroxyPropoxy Content
7.0 - 12.0
Heavy Metals; USP <231>
NMT 10 ppm
Loss on Drying
NMT 5.00%
Chlorides
NMT 0.07%
pH
(1% solution) 5.0 - 9.0
Notes
Shelf Life: Three years if stored at room temperature in unopened, original packs in dry condition
Application: This solvent soluble polymer provides an enteric coating using general coating method
Use: ORAL CARE
Class
Industry
Functions
