CAS 9050-31-1 Hydroxypropyl Methylcellulose Phthalate Hpmcp Dibutyl Phthalate

• CAS No.: 9050-31-1
• Formula: C7h8o2
• EINECS: 220-552-8
• Acid-Base Property: Acidic Surface Disposal Agent
• Certification: REACH
• Environmental Protection: Yes
• Model NO.: TY-02ALI
• Color: White
• Appearance: Liquid
• Assay: 99%
• Shelf: 2 Years
• Transport Package: 25kg/Drum 1kg, 10kg, 100kg, 200kg
• Specification: 25kg/drum
• Trademark: tongyon
• Origin: China
• Production Capacity: 5000kg/Month

Product Description

 

Product name	Dibutyl phthalate
CAS	9050-31-1
Appearance	white powder
Assay	99%
Storage	Cool and Protect from light

Product Name:Hydroxypropyl methylcellulose phthalate
CAS:9050-31-1
MF:C14H16N4
MW:240.30364
EINECS:618-567-3
Mol File:9050-31-1.mol   Melting point:>145 °C (dec.)(lit.)
Density 0.6 g/mL at 25 °C(lit.)
solubility H2O: Limited solubility at low pH, soluble at pH ≥4.2.soluble






Description
Chemical PropertiesWhite to off-white free-flowing flakes or granules
Chemical PropertiesHypromellose phthalate occurs as white to slightly off-white, freeflowing flakes or as a granular powder. It is odorless or with a slightly acidic odor and has a barely detectable taste.
Production MethodsHypromellose phthalate is prepared by the esterification of hypromellose with phthalic anhydridie. The degree of alkyloxy and carboxybenzoyl substitution determines the properties of the polymer and in particular the pH at which it dissolves in aqueous media.
Pharmaceutical ApplicationsHypromellose phthalate is widely used in oral pharmaceutical formulations as an enteric coating material for tablets or granules. Hypromellose phthalate is insoluble in gastric fluid but will swell and dissolve rapidly in the upper intestine. Generally, concentrations of 5-10% of hypromellose phthalate are employed with the material being dissolved in either a dichloromethanes : ethanol (50 : 50) or an ethanol : water (80 : 20) solvent mixture. Hypromellose phthalate can normally be applied to tablets and granules without the addition of a plasticizer or other film formers, using established coating techniques. However, the addition of a small amount of plasticizer or water can avoid film cracking problems; many commonly used plasticizers, such as diacetin, triacetin, diethyl and dibutyl phthalate, castor oil, acetyl monoglyceride, and polyethylene glycols, are compatible with hypromellose phthalate. Tablets coated with hypromellose phthalate disintegrate more rapidly than tablets coated with cellulose acetate phthalate.

GuangZhou TongYi biochemistry technology Co., Ltd is a company specializing in active pharmaceutical ingredient
(API), biology, plant extracts, chemical raw materials, fine chemicals, pharmaceutical intermediates, cosmetics raw
material. Our company has always adhered to the company philosophy of integrity, professionalism, quality first, and
customer service. With the efforts of all the company's employees, it has established long-term
and stable cooperative relations with many domestic and foreign customers, and won the unanimous trust of domestic
and foreign customers. With good comments, our company have made great progress.

Our company takes pioneering and innovative, high-quality and efficient as the code of conduct, and strives to provide
customers with efficient services,
high-quality products, and reasonable prices. We have established a customer demand-oriented, flexible, diverse and customizable service according to the different needs of different customers. Mode, and ultimately achieve the goal of
win-win.

Our company focuses on the future and the world, and will continue to devote itself to technological progress and the
development of new products in the future, hoping to work hand in hand with new and old friends at home and abroad
to create a better future.