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Hydroxypropyl Methylcellulose Phthalate, USP 55 HP

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Product Description

PRODUCT

Hydroxypropyl Methylcellulose Phthalate, USP 55 HP

CAS #

9050-31-1

SYNONYM

HPMCP; Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether; Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride

PRODUCT TYPE

Organic

Typical Product Specifications

DESCRIPTION

White to slightly off-white powderSubstitution t

SENSORIC

White Powder

APPARENT VISCOSITY

32 - 48 cSt

LOSS ON DRYING

NMT 5.00%

CHLORIDES

NMT 0.07%

SULFATED ASH

NMT 0.2%

ARSENIC PPM

NMT 2 ppm

HEAVY METALS; USP <231>

NMT 10 ppm

METHOXYL CONTENT

18.0 - 22.0

HYDROXYPROPOXY CONTENT

7.0 - 12.0

PH

(1% solution) 5.0 - 9.0

PHATHALYL CONTENT

(%) 27.0 - 35.0

FREE PHTHALIC ACID

NMT 1.0%

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

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