Xanthan from Xanthomonas campestris, viscosity : 25-70 mPa.s

Typical Properties
CAS	11138-66-2
Catalog	ACM11138662-3
Molecular Weight	241.11 g/mol
Melting Point	64.43 °C
Solubility	Soluble in water giving a highly viscous solution, practically insoluble in organic solvents.
Appearance	Powder
Storage	Room Temp
Biological Source	Xanthomonas campestris
Color	White or light yellow
Composition	C8H14Cl2N2O2
EC Number	234-394-2
Grade	Reagent Grade
Loss	≤ 15 % loss on drying
MDL Number	MFCD00131256
pH	6.0-8.0
Quality Level	100
Shipping	Ambient
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.
Viscosity	25-70 mPa.s, 1 % in H2O(25 °C)

Overview

Description

Xanthan gum is a monospore polysaccharide produced by the fermentation of Pseudomonas sp. It is made of carbohydrates as the main raw material from the cabbage black rot Xanthomonas spp. through aerobic fermentation bioengineering technology to cut 1,6 - Glycosidic bond, after opening the branched chain, an acidic extracellular polysaccharide composed of straight chains is synthesized by 1,4-bond. The structure and conformation of xanthan gum determine the functional properties of its solution: the complex aggregated structure and intermolecular forces of xanthan gum determine that its solution has high viscosity at low shear and low concentration, and is more viscous than other polysaccharide solutions. High modulus, as well as pseudoplastic behavior; Xanthan gum has hydrogen bonds, anions, and side chains entangled in the rigid and straight molecular chains of the molecular chain to protect the main chain, so that the solution has good heat and salt resistance. It also has good stability to acid-base and enzymatic hydrolysis. Due to its excellent physical and chemical properties, including high viscosity, thixotropy, and stability of dispersions, xanthan gum has been widely used in the food industry, oil extraction, coatings, and many other fields.

Features

·Typical rheological properties
·High viscosity at low concentrations
·Good stability and resistance to enzymatic hydrolysis
·Excellent dispersibility
·Good water retention

Application

·Useful matrix components for drug delivery systems: functional components in microencapsulated drug capsules
·Used as food additives such as emulsion stabilizers and thickeners
·For drilling in the oil industry