Xanthan Gum (Industrial Grade)
CAS 11138-66-2Formula (C35H49O29)nMW Polymer
Industrial-grade xanthan gum for drilling-fluid rheology, coatings, and household-chemical thickening.
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Applications
Application discussion
- drilling-fluid rheology
- coatings and household-chemical thickening
Technical information
Product specification
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Xanthan Gum — drilling
Key product parameters for product selection, documentation, and supply discussion.
| Parameter | Specification | Limit | Analytical method / note |
|---|---|---|---|
| Molecular formula | (C35H49O29)n | Identity | Product method |
| Molecular weight | Polymer | Identity | Product method |
| Appearance | Off-white to pale-yellow powder | Description | Visual |
| Viscosity (1% solution in 1% KCl) | 1200 mPa·s | min | Viscometry |
| Shear ratio | 6.5 | min | Rheology test |
| pH (1% solution) | 6.0–8.0 | range | pH meter |
| Loss on drying | 13.0 % | max | Drying |
| Ash | 16.0 % | max | Ignition |
| Pyruvic acid | 1.5 % | min | Chemical assay |
| Through U.S. No. 40 sieve | 95 % | min | Sieve analysis |
| Through U.S. No. 200 sieve | 50 % | max | Sieve analysis |
| Starch / guar | Absent | absence | Qualitative test |
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