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Mannitol can be extracted from kelp, but more with glucose or sucrose solution electrolytic reduction or catalytic reduction method. The goods did not hygroscopic. Mannitol has a sweet taste, its sweetness is equivalent to 70% of sucrose. Widely used in medicine, food, chemical industry, etc.

Molecular formula :C6H14O6
Molecular weight :216
CAS .:87-78-5
Sex form : white crystalline powder, soluble in water, hardly soluble in ethanol or ethyl ether.

Mannitol use

一.Mannitol in medicine:
Mannitol in medicine is a good diuretic, reducing intracranial pressure, intraocular pressure and treatment of renal medicine, dehydrating agent, sugar substitute, also used as tablet excipients and solid, liquid diluent. As a large infusion of raw material and tablet excipients, mannitol does not absorb, commonly used intravenous injection of 20% hypertonic injection, can promote the organization of liquid water to produce plasma diffusion, dehydration.

二.Mannitol in the chemical industry:
Mannitol can be used in the plastics industry, acid ester and artificial glycerin rosin resin, explosives, detonators (nitrification mannitol), etc.

三.Mannitol in the aspect of food:
In terms of food, mannitol in the sugar and sugar alcohol minimum water imbibition, and has refreshing sweetness, for maltose, chewing gum, anti-sticking rice cakes and other food, anti-sticking powder and used as a general pastry.

Mannitol quality standard :





Content %




Clarity and color

≤ 1 turbidity solution

≤ 1 turbidity solution

Acidity and alkalinity

≤0.3 ml (Acidity)

≤0.2 ml (Acidity)

≤0.3 ml

≤0.3 ml (Acidity)

chlorid %




sulphate %






Reducing sugar %


Close to 0

Moisture %




Residue on ignition %


≤0.1 (ASH)

Heavy metals (lead) %


arsenic (AS2O3)%



Melting point ℃




Than the curl



Nickel mg/kg



Comply to stipulated

bacterial endotoxin

Comply to stipulated

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