Welan gum
| Identifiers | |
|---|---|
ECHA InfoCard
|
100.118.859 |
| EC Number |
|
| Properties | |
| Appearance | white to cream colored powder |
| Density | 26.25 lbs/ft³ (bulk) |
| Hazards | |
| NFPA 704 (fire diamond) | |
| Safety data sheet (SDS) | [1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| |
Welan gum is an
L-rhamnose.[2] In solution, the gum retains viscosity at elevated temperature, and is stable in a wide pH range, in the presence of calcium ion, and with high concentration of glycols.[3][4][5]
See also
References
- ^ US patent 5004506, Allen, Floyd L.; Best, Glen H. & Lindroth, Thomas A., "Welan gum in cement compositions", issued 2 April 1991, assigned to Merck & Co., Inc.
- PMID 24508918.
- ^ "CP Kelco Welan Gum". CP Kelco. Retrieved 17 Sep 2010.
- ^ "Welan gum". Colltec. Retrieved 17 Sep 2010.
- ^ "Welan gum". Fritz Industries. Retrieved 17 Sep 2010.
External links
- Dea, Ian C M (1989). "Industrial polysaccharides" (PDF). Pure and Applied Chemistry. 61 (7): 1315–1322. S2CID 195819313.
 | This organic chemistry article is a stub. You can help Wikipedia by expanding it. |