Hydroxypropyl Methyl Cellulose(HPMC)

Hydroxypropyl methyl cellulose is specially prepared by etherification of highly pure cotton cellulose under alkaline conditions.

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Description

The TNN Development Limited is one of the most reliable manufacturers and suppliers of hydroxypropyl methyl cellulose(hpmc) in China. Please feel free to wholesale customized hydroxypropyl methyl cellulose(hpmc) at low price from our factory. If you have any enquiry about free sample and discount information, please feel free to email us.

Description

Product Name : Hydroxypropyl methyl cellulose(HPMC)
MF : C12H20010
Purity: 99.9%
CAS No. : 9004-65-3
EINECS No. : 220-971-6
Appearance : White Powder

COA

Name of index	TEST BASE	TEST RESULT
Character	This product is white or off-white fibrous or granular powder: odorless. It is almost insoluble in absolute ethanol, ether or acetone: it swells into a clear or slightly cloudy colloidal solution in cold water.	This product is white or off-white fibrous or granular powder: odorless. It is almost insoluble in absolute ethanol, ether or acetone: it swells into a clear or slightly cloudy colloidal solution in cold water.
Identification-1	Should be blue-green ring	Blue-green ring
Identification-2	Form a flexible film	Form a flexible film
Identification-3	Flocculation temperature ≥50℃	62.0℃
PH	pH value is 5.0-8.0	6.3
Viscosity mPa. S	80%- 120% of the marked viscosity 15	17
Insoluble matter in water%	≤0.5	0.4
Loss on drying%	≤5.0	3.2
Residue on ignition%	≤1.5	0.9
Heavy metal ppm	≤20	10
arsenic%	≤0.0002	0.0001
Aerobic bacteria cfu/g	≤1000	10
Bacteria and yeast cfu/g	≤100	10
Escherichia coli	no	not detected
Hydroxypropoxy%	7.0-12.0	8.2
Methoxy%	27.0-30.0	29.1
CONCLUSION:	The product complies with the standard above.

Application

1、One of the most common applications of Hydroxypropyl Methyl Cellulose is in the construction industry. It is used as a thickener and binder in cement- and gypsum-based products, including mortar, grout, plaster, and joint cement, to improve their workability, strength, and water retention properties. It also acts as a protective colloid, preventing settling and segregation of the components in the mixture. Moreover, as a water-soluble polymer, it improves the binding and adhesion of the construction material, resulting in a more durable and homogeneous product.

2、Another major application of Hydroxypropyl Methyl Cellulose is in the pharmaceutical industry. It is used as a binder, thickener, and disintegrant in tablet formulations to improve the tablet's strength, disintegration, and dissolution properties. This is a non-toxic and inert substance, making it suitable for use in oral and topical medications. It is also used in other pharmaceutical products such as ophthalmic solutions and nasal sprays due to its muco-adhesive properties and ease of formulation.

3、In the food industry, HPMC is used as a thickener, emulsifier, and stabilizer in processed foods, such as dairy products, baked goods, sauces, and salad dressings. It is also used in encapsulation of vitamins and minerals for better stability and bioavailability. It is a safe and natural ingredient in food, making it a popular alternative to synthetic additives.

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