LACTOSE - (63-42-3)

introduction

prénom: lactose; β-D-galactopyranosyl-(1→4)-D-glucose*; milk sugar
* IUPAC
Numero CAS: 63-42-3
Formule chimique: C12H22O11
Masse molaire: 342.29648 g
État de la matière: white solid
Pourcentage de masse: C 42.106 %; H 6.4782 %; O 51.415 % 
isomères:  sucrose  •  maltose

Classification

• BIO • éther

Usages / Fonction

• "Both forms of lactose are employed, with the α-form predominating: as a nutrient in preparing modified milk and food for infants and convalescents. In baking mixtures. Pharmaceutic aid (tablet and capsule excipient and diluent). To produce lactic acid fermentation in ensilage and food products. As chromatographic adsorbent in analytical chemistry. In culture media. Therapeutic (veterinary): Added to cow's milk for feeding orphan foals." 1

Bonding

Obligations doubles: 0
Obligations Triple: 0
Obligations Sigma: 46
Obligations Pi: 0
Total: 46
carboxyl Groupes: 0
Les groupes hydroxylés: 8
Hybridation: all carbons and oxygens are sp3

Pour plus d'informations

Sources

(1) - The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals, 13th ed.; Budavari, S.; O'Neil, M.J.; Smith, A.; Heckelman, P. E.; Kinneary, J. F., Eds.; Merck & Co.: Whitehouse Station, NJ, 2001; entry 5358.