Dextran 70 for calibration

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Dextran 70 for calibration Specification

Solubility
Soluble in water

Appearance
White to off-white powder

Ph Level
Neutral (around 7) in aqueous solution

Storage
Store in a cool dry place away from direct sunlight

EINECS No
232-677-5

Application
Used for calibration in size-exclusion chromatography and as a standard in molecular weight determination

Ingredients
Dextran 70

Grade
Pharmaceutical/Analytical grade

Properties
Good solubility in water stable under normal conditions chemically inert high molecular weight

Structural Formula
Polymer of -D-glucopyranosyl with branched structure

Melting Point
Decomposes before melting

Molecular Formula
(C6H10O5)n

Smell
Odorless

Shelf Life
2 years when stored in proper conditions

Usage
Calibration of chromatographic systems such as gel filtration; molecular weight reference; research in biochemical and pharmaceutical industries

Physical Form
White to off-white powder

Shape
Amorphous powder

CAS No
9004-54-0

Density
1.4 Gram per cubic centimeter(g/cm3)

Taste
Neutral

HS Code
39139000

Molecular Weight
Approximately 70000 g/mol

Purity
>99%

Poisonous
NO

About Dextran 70 for calibration

Dextran 70 is a high-purity polymer characterized by its neutral pH and white to off-white powder form. With molecular weight approximately 70,000 g/mol, it is specifically designed for calibration applications in size-exclusion chromatography and molecular weight determination. This pharmaceutical/analytical-grade product offers chemical stability, good solubility in water, and inertness under normal conditions. Dextran 70 serves as an essential molecular weight reference in chromatographic systems, particularly gel filtration, and is widely used in biochemical and pharmaceutical industry research. It is odorless and tasteless, making it ideal for sensitive laboratory settings. The product retains its high quality with proper storagecool, dry environments away from direct sunlightwith a shelf life of up to 2 years. Dextran 70 showcases an amorphous structure with excellent solubility and density of 1.4 g/cm, ensuring reliable and consistent calibration results. Its structural formula consists of branched polymers of -D-glucopyranosyl units, maintaining a purity of >99%.