Sorbitol raw Powder CAS 50-70-4

CAS:50-70-4

MF:C6H14O6

MW:182.17

EINECS:200-061-5

Specification​: 99% min Sorbitol

Sample:Sorbitol Powder

Packaging:1kg/bag, 25kg/drum

Brand: Henrikang

Appearance:White

Storage: Cool Dry Place

Shelf Life: 2 Years

Test Method: HPLC

Sorbitol Usage and Synthesis.

1、Daily chemical industry

Sorbitol in toothpaste as excipient, humectant, antifreeze, the addition of up to 25 ~ 30%, can keep the paste lubrication, color, taste good; in cosmetics as an anti-drying agent (instead of glycerol), can enhance the emulsifier of the stretch and lubrication, suitable for long term storage; sorbitan anhydride fatty acid esters and its ethylene oxide adducts have the advantages of small irritation to the skin, in the cosmetic industry is widely used.

2、Food industry

Adding sorbitol in food can prevent the food from drying and cracking, and keep the food fresh and soft. Used in bread cake, it has obvious effect. The sweetness of sorbitol is lower than sucrose, and it is not utilized by some bacteria, so it is an important raw material for the production of sugar-free candy and all kinds of anti-caries food.

As the metabolism of this product does not cause elevation of blood sugar, it can also be used as a sweetener and nutrient of food for diabetics. Sorbitol does not contain aldehyde group, is not easy to be oxidized, and does not produce Melad reaction with amino acids when heated.

It has certain physiological activity and can prevent the denaturation of carotenoids and edible fats and proteins. Adding this product to concentrated buttermilk can prolong the shelf life and also improve the color and aroma of small intestines, and it has obvious stabilizing and long-term preservation effect on fish sauce. In the jam preserves have the same effect.

3、Pharmaceutical industry

Sorbitol can be used as raw material for vitamin C production; it can also be used as raw material for syrup, injection infusion, medicine pressing, as drug dispersant, filling agent, cryoprotectant, anti-crystallization agent, Chinese medicine stabilizer, wetting agent, capsule plasticizer, sweetener, ointment substrate and so on.

4、Chemical industry

Sorbitol rosin is often the raw material of architectural coatings, can be used as plasticizer, lubricant applied to polyvinyl chloride resin and other polymers. In alkaline solution with iron, copper, aluminum ion complexation, applied to the textile industry bleaching and washing. Sorbitol and propylene oxide are used as starting materials to produce polyurethane rigid foam with certain flame retardant properties.

Uses of Sorbitol.

1. Sorbitol can be used to wash protoplasmic spheres as well as to minimize the internal osmotic flow in agarose gels in isoelectric focusing, and can be used to induce osmotic stress.

2. It can be used in biochemical research, acid-base titration of boric acid, preparation of sorbose and vitamin C; used as biochemical reagent, thickener and hardener, and also can be used to make plasticizer and antifreeze in alkyd resin.

3. Pharmaceutical grade sorbitol is used for the preparation of injection solution, I.V. solution and oral flush, etc. Food grade is used for chewing gum, sugar-free candy and so on.

4. It is used as food moisturizer, aroma-retaining agent, antioxidant, cosmetic raw material, and in the production of toothpaste, tobacco, tanning and ink, etc., it is used to replace glycerol as moisture control agent, raw material of adhesive and diuretic and choleretic medicine.

5. It can also be used as sweetener; humectant (mainly for diabetes, liver disease, cholecystitis patients, etc.); chelating agent; tissue improvement agent (such as cake tissue can be fine, to prevent the aging of starch); vitamin C synthetic raw materials; beverages have a role in masking the bitterness of sodium saccharin and sweeteners after the taste of the thick; used in chocolate, confectionery, ice cream, food coloring diluent; therapeutic jam; cake pre-prepared powder; pastes etc.

It has good hygroscopicity, and has extremely wide range of roles in food, daily chemicals, medicine and other industries. Applied in food can prevent food from drying, aging, and prolonging the shelf life of the products, and can effectively prevent the crystallization and precipitation of sugar salts and so on in the food, and can maintain the balance of the intensity of the sweet, sour, and bitter tastes, and increase the flavor of the food. It can be produced by heating and pressurizing hydrogenation of glucose in the presence of nickel catalyst.

Characteristic of Sorbitol.

1.Existence form sorbitol's main existence form is liquid and solid: liquid sorbitol more than 50% or 70% colorless transparent aqueous solution; solid sorbitol appearance for white needle, sheet or granular crystalline powder, some contain 0.5 or 1 molecule of water of crystallization.

2. Flavor and sweetness sorbitol has unique flavor, cool and refreshing taste, and the sweetness is about 60% of the same concentration of sucrose.

3. Solubility and viscosity sorbitol is very soluble in water, slightly soluble in methanol, ethanol and acetic acid, etc. At 20 ℃, the solubility of sorbitol is 220g/100mL of water, sucrose is only 195g/100mL of water. Because of the solubility in water, sorbitol is not easy to crystallize in industrial production. Under the same conditions, the viscosity of sorbitol water solution is slightly lower than that of sucrose.

4.Hygroscopicity and moisturizing sorbitol is very hygroscopic, the moisture absorption capacity is much larger than that of sucrose, slightly smaller than glycerol, it is very easy to absorb moisture and agglomerate when the relative humidity of the air is large; however, γ-crystalline sorbitol is less hygroscopic. Extend the shelf life of the product.

5. Freezing point reduction sorbitol aqueous solution will cause the freezing point to fall, applied to frozen food can avoid the appearance of ice slag, reduce the crystal suspension or precipitation precipitation, effectively improve the taste of the product.

6. Stability sorbitol molecule does not contain reducing groups, chemical properties are relatively stable, non-combustible, non-volatile, acid and alkali resistance, not easily oxidized by air. Sorbitol's thermal stability is better; in certain reaction conditions, sorbitol can be dehydrated and oxidized, esterification, etherification and other reactions, in strong acid and alkali solution can also chelate various metal ions.

7. Osmotic pressure sorbitol molecular weight is slightly larger than glucose, so the osmotic pressure is close to glucose, 1.88 times of sucrose.

Higher osmotic pressure means that the resistance to microorganisms is correspondingly stronger, and it can be used to control microorganisms in fruit and vegetable sauces.

Product Method of Sorbitol.

Sorbitol production of domestic most of the starch saccharification obtained from refined glucose medium pressure continuous or intermittent hydrogenation method: C6H12O6 + H2 [Ni] → C6H14O6 will be 53% of the aqueous glucose solution and 0.1% (for glucose) of the nickel catalyst added to the autoclave, replacement of the air, in about 3.5MPa, 150 ℃ and Ph value of 8.2 ~ 8.4 conditions of hydrogenation, the end point The residual sugar was controlled below 0.5%. After precipitation for 5min, the product is refined by ion exchange resin of sorbitol liquid.

The above process is simple, do not have to separate the qualified products, there is no "three wastes" pollution, but for starch, the yield is only 50%, and thus the cost is higher. If the new process of direct hydrogenation of starch saccharide is used, the yield can reach 85%.