TREHALOSE: PRODUCT SPECIFICATION

Common Name Trehalose

Chemical Name Trehalose dihydrate

Formula C₁₂ H₂₂ O₁₁ . 2H₂O

C.A.S. Number 6138-23-4

Description Virtually odourless, white or almost white crystals with sweet taste.

Purity Not less than 98% on an anhydrous basis. ( Density : +/- 0.8 )

Solubility Freely soluble in water, very slightly soluble in ethanol.

Specific Rotation [a]²⁰ : +199⁰C (5% aqueous solution of dihydrate)

Melting Point 97⁰C

Loss on drying 1.5% max (60°C / 5 hours)

[NB: crystal water is not released under these conditions]

Moisture content Typically 9.5%

Total Ash 0.05% max

Lead 1.0 ppm max

Particle size Typically 415 m MA: 40% CV

Microbiological Total viable count 300/g max

Criteria Coliform organisms negative

Salmonella negative

Yeasts and moulds 100/g max

Last Update : Janvier 2008