Product Name: Sodium Hyaluronate
Type High molecular weight grade
Identification
Synonyms Hyaluronic acid sodium salt
Molecular Formula (C14H20NO11Na)n
Molecular Weight (401.30)n
CAS Number 9067-32-7
Properties
Appearance White or almost white powder
Solubility Soluble in water
Stability Stable under ordinary conditions
Specification
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Items
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Specifications
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Characters
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White or almost white powder
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Glucuronic acid
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¡Ý44.5%
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Sodium hyaluronate
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¡Ý92.0%
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Ph(0.5% aq,sol.,25ºC)
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5.0-8.5
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Absorbance (0.5%, aq.sol.25ºC)
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A280nm¡Ü0.25
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Appearance of solution (0.5% aq.sol.25ºC)
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T550nm¡Ý99.0%
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Loss on drying
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¡Ü10.0%
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Molecular weight
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¡Ý2,000,000
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Intrinsic viscosity
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Measured value
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Kinematic viscosity
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Measured value
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Protein
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¡Ü0.1%
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Heavy metal (as pb)
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¡Ü20ppm
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Bacteria counts
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¡Ü100cfu/g
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Mold & yeast
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¡Ü50cfu/g
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Staphylococcus aureus
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Negative
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Pseudomonas aeruginosa
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Negative
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Application
Sodium Hyaluronate, a kind of mucopolysaccharides contains amino-sugar unit and uronic acid. It has physiological function of absorbing and retaining water to form jelly matrix for maintaining cell structure and protecting cell against bacterial infections. It is widely used in cosmetics and dermatologists for antiaging and moisturizing.
Packing In 25kgs net cardboard drum or as required.
Storage Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
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