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Specifications

Catalog #	F4500
Ficoll® 400 (Polysucrose 400) is a nonionic, hydrophilic, readily water-soluble copolymer of sucrose and epichlorhydrin used in density gradient separation of cells and subcellular components and as an ingredient in hybridization buffers (Denhardt’s solution). Autoclavable at neutral pH. Particle diameter in solution	10nm. Polysucrose 400 is a neutral and low osmotic medium, widely applied in the separation of cells, virus cells, and cell membranes.
Molecular Weight (average)	~400kD
Appearance	white powder
Loss on Drying	4.0%
Chloride	0.05%
Specific Rotation	53-59°
Sulfated Ash	3.0%
CAS Number	26873-85-8
Molecular Weight	~400kD
Purity	~99%
Form	White powder
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.