Trehalose, Color : White

Synonyms: Trehalose
CAS Number: 99-20-7 Anhydrous and 6138-23-4 Dihydrate, Molecular Weight: 342.30 anhydrous and 378.33 dihydrate, Chemical Formula: C12H22O11 Anhydrous and C12H22O11-2H2O Dihydrate, EINECS EC Number: 202-739-6, FEMA: ----,

Trehalose is a sugar consisting of two molecules of glucose. Trehalose has high water retention capabilities, and is used in food, cosmetics and as a drug.

General Properties and Specifications of Trehalose Dihydrate and Anhydrous:
Appearance: White to almost white powder.
Assay: 99% minimum.
pH of 5% solution in water: 4.5 to 6.5
Melting point: 203C (anhydrous) and 97C (dihydrate)
Solubility: Soluble in water and ethanol.

Specifications of Trehalose USP NF Grade:
C12H22O11 --- 342.30
C12H22O11- 2H2O --- 378.33
α-d-Glucopyranosyl α-d-glucopyranoside.
Anhydrous --- CAS 99-20-7
Dihydrate --- CAS 6138-23-4

DEFINITION
Trehalose is a stable, nonreducing disaccharide with two glucose molecules linked in an α,α-1,1 configuration. It is obtained through enzymatic conversion of food-grade starch. It contains NLT 97.0% and NMT 102.0% of trehalose (C12H22O11 ), calculated on the anhydrous basis.