| Certificates/Standards: | N; |
| Monthly Output: | Not provided |
| Regional: | Shandong |
| Packaging Information: | Not provided |
| Mode Of Payment: | Not provided |
| Delivery Lead Time: | Not provided |
| Main Sales Markets: | North America，Eastern Europe，Middle East |
| Sample Provided: | Yes |
| Sample Policy: | To be negotiated |
| Minimum Quantity: | Not provided |
Hydroxyethyl starch
Item No.: SCM-2302
CAS No:9004-62-0
EINECS:618-410-9
Standard:USP/GMP
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.
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