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Hydroxyethyl Starch; CAS No.: 9005-27-0

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Hydroxyethyl Starch; CAS No.: 9005-27-0

Product No.:2024813202714

  • Details

Product Brief Introduction

Product name: Hydroxyethyl Starch
CAS: 9005-27-0
MF: C22H44O17
MW: 580.575


Product Specification

Item

Specification

Appearance

White or off-white powder

Identification

IR: The infrared absorption spectrum of the sample complies with the reference standard.

The solution should be dark brown or reddish brown

Clarity and Color of Solution

The solution should not be more concentrated than the turbidity standard No.1.

The absorbance at 400nm wavelength≤ 0.015

PH

5.0-6.5

Loss on Drying

≤ 5.0%

Residue on Ignition

≤ 0.5%

Limiting Viscosity

13.0-17.0

Molar Degree of Substitution

0.38-0.43

C2/C6

8.0-9.6

Molecular WeightMolecular Weight Distribution

Weight average molecular weight:112000-149000

10% small molecules≥ 16000

10% large molecules≤ 380000

Heavy Metals

≤ 5ppm

Sodium Chloride

≤ 0.1%

2-Chloroethanol

≤ 0.0005%

Ethylene Glycol

≤ 0.0038%

Epoxyethane

≤ 0.0001%

Bacterial Endotoxins

< 1.5 EU/mg

Total Aerobic Microbial Count

≤ 100cfu/g

Yeasts&Molds

≤ 50cfu/g

E.Coli

Negative

Abnormal Toxicity

The mice did not die within 48 hours.

Assay(on dried basis)

98.0%-101.0%

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