Properties
CAS number | 6138-23-4 |
EC number | 202-739-6 |
Molecular Formula | C12H22O11•2H2O |
Molecular Weight | 378.33 g/mol |
Synonyms | D(+)-Trehalose dihydrate; alpha,alpha'-Trehalose; alpha-D-Glucopyranosyl-alpha-D-glucopyranoside; |
Source | Fermentation |
Physical Form | White or almost white crystals |
Solubility | Freely soluble in water, very slightly soluble in ethanol |
Standard | Food Grade |
Description
Trehalose Dihydrate is a high-quality, in-house standard ingredient known for its virtually odorless, white or almost white crystalline form with a sweet taste. It is widely used in various applications due to its excellent solubility in water and stability under a range of conditions.
Specification:
Assay (by anhydrous basis): 98% min.
Specific rotation [α]D20: +199° (5% aqueous solution)
Insoluble substance: 0.05% max.
Loss on drying: 2.0% max.
pH value: 5.0~6.7
Residue on ignition: 0.05% max.
Heavy metals [Pb]: 1 ppm max.
Arsenic [As]: 0.5 ppm max.
Application:
1) Used as a sweetener in food and beverages.
2) Acts as a stabilizer in pharmaceuticals and cosmetics.
3) Serves as a texturizer in processed foods.
4) Employed in biotechnology for preserving biological samples.
5) Enhances the shelf life of products by inhibiting crystallization and maintaining moisture.