Description:
Hydroxyethyl starch is a polymer complex formed by hydroxyethylation of the glucose ring of branched starch in corn or potatoes, and is also a natural polysaccharide. Widely used in artificially synthesized colloidal solutions.
Specification:
| Tests | Specifications |
| Character | White or kind of white powder;Odorless, tasteless;Excellent wetting ability. |
| Solubility | Freely soluble in water,It is almost insoluble in methanol, acetone or chloroform. |
| Identification | Chemistry reaction, should be positive reaction |
| By IR absorption, to match with the working standard |
| pH | 4.5-7.0 |
| Appearance of solution | Should comply |
| Absorbance | Max.0.025 at 400nm |
| Loss on drying | ≤15.0% |
| Heavy metals | ≤10ppm |
| Sodium chloride | ≤0.1% |
| Ethylene glycol | Not more than 0.004% |
| Ethylene oxide | Not more than 0.0001% |
| 2-Chloroethanol | Not more than 0.0005% |
| Mw | 110 000~150 000 |
| Mw10%min | ≥15 000 |
| Mw10%max | ≤380 000 |
| Molar Substitution | 0.37~0.43 |
| C2/C6 | 8.0~ 10.0 |
| Microbial contamination | TAMC not more than 100CFU/g |
| Bacterial endotoxins | ≤2.5IU/g |
| Content Hydroxyethyl starch 130/0.4 (by dry product) | 97.0%- 101.0% |
Application:
1. Paper industry
2. Textile industry
3. Used as a plasma volume extender and as a medium for protecting blood cells during freezing or thawing.
4. As a thickener for hair dyes, toothpaste, and coatings
Package:
25kgs/carton.
Storage:
Hydroxyethyl starch should be stored in Tight container, protect from light.
Why us:
1.We can meet your customized requirements (labels, packaging, etc.)
2.We can provide both 130/0.4 and 200/0.5 for Hydroxyethyl starch you need.
3.we have strong advantages in High quality, Rich production experience , and Best service .