Hydroxypropyl methyl cellulose |HPMC| CAS NO. 9004-65-3
Hydroxypropyl methyl cellulose
- CAS No.9004-65-3
- Chemical Name:Hydroxypropyl methyl cellulose
- Synonyms MHPC;HPMC;hpmcd;goniosol;HPMC/MHPC;methocelhg;HPMC /HEMC;isoptotears;isoptoplain;HYPROMELLOSE;CELLULOSE ETHER
- CBNumber:CB3225318
- Molecular Formula:C3H7O *
- Formula Weight:59.08708
Hydroxypropyl methyl cellulose Properties
- Density 1.39
- solubility H2O: 50 mg/mL, clear to very faintly turbid, faintly yellow
- form powder
- color White to cream
- Water Solubility SOLUBLE
- Stability:Stable. Solid is combustible, incompatible with strong oxidizing agents.
- Hydroxypropyl methyl cellulose Chemical Properties,Uses,Production
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Product features
Hydroxypropyl methyl cellulose is propylene glycol ether of methyl cellulose, hydroxypropyl and methyl combine with anhydrous glucose ring by ether bond.It is white or pale white cellulose powder or particles. The characteristics of cold water dissolution and hot water insoluble are similar with methyl cellulose. Solubility in organic solvents is superior than water soluble, can be dissolved in anhydrous methanol and ethanol solution, also soluble in chlorinated hydrocarbons and ketones in organic solvents. Soluble in water, its water solution has a surface activity, the formation of the film after drying, heated and cooled, in turn, from the reversible conversion of sol to gel. Can be used alone in the cold drink, also can be used with other emulsifier, stabilizer. To cold drink, the maximum amount is 1%. Hydroxypropyl methyl cellulose and other water-soluble high weight compounds use mixture, become transparent, higher viscosity. The gelation temperature of low viscosity products is higher than high viscosity of products. Its solution is stable at room temperature. In recent years, It has been widely used in petroleum chemical industry, papermaking, leather, textile printing and dyeing, pharmaceutical, food, cosmetics and other industries, and as the dispersing agent, thickening agent, adhesive, excipient, capsule, oil resistant coating and packing etc.
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Figure 1 The molecular structure of hydroxypropyl methyl cellulose -
Usage method
Purpose: thickener, emulsifier, stabilizer.
1 note: hydroxypropyl methyl cellulose has many excellent properties. It can be used for baking food, pasty food, enriched food, milk paste mixing drinks, pie fillings, toppings, salad and fast food. The use of its thermal gel properties can make deep fried food, not only can save a lot of oil, but also the product has a unique taste of the soft. The use of its acid, alkali stability, anti-enzymes, do not participate in metabolism, enhance the characteristics of gastrointestinal motility, but also used to produce a variety of health food.
2 usage range and usage
(1) The provisions on the use of hygienic standards for food additives (GB 2760-1996) shall be used in all kinds of food appropriately.
(2) The actual use of reference: the use of high transparency film and film of this product can be used in the manufacture of casings, dosage is 5%. It is used as a thickener mayonnaise (HPMC), dosage of 0.5%~2%.
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