Specification For Sodium Hyaluronate Powder
CAS NO: 9067-32-02
FORMULA: (C14H20NNaO11)n
PACKING: 1KG/BOTTLE or 25KG/DRUM
Test Item
Officinal grade Topical grade
Appearance

White Powder

White Powder
Character
Colorless, non Smell, easy dissolve in water, and difficult dissolve in organic solvent, easy dampen.
Colorless, non Smell, easy dissolve in water, and difficult dissolve in organic solvent, easy dampen.
Glucuronic acid
>42%
>40%
Protein content
<0.3%
<1.0%
PH
6.0 ĘC 7.5
6.0 ĘC8.0
Loss on drying
<8%
<10%
Heavy metal
<20PPm
<20PPm
Molecular weight
>1.2 Mda
>1.0 Mda
Assay
>90%
>80%
Microbial contamination
<10/g
<50/g
Specification For Sodium Hyaluronate (LMW 1% solution topical grade)
Description
Colorless, transparent
Glucuronic Acid
>0.48%
PH
6.0 - 8.0
Sodium Hyaluronate
>1%
Protein
<0.001%
Kinematic Viscosity (mm2/s)
About 10.0mm2/s
Bacteria Counts
<10CFU/g
Light Absorption (A660 1cm 1% solution)
<0.01
Preservative (Phenoxy Ethanol)
<0.8%
Specification For Sodium Hyaluronate (HMW 1% solution topical grade)
Description
Colorless, transparent
Glucuronic Acid
>0.48%
Molecular
>1.0 Mda
PH
5.0 - 8.0
Sodium Hyaluronate
>1%
Protein
<0.001%
Kinematic Viscosity (mm2/s)
About 10.0mm2/s
Bacteria Counts
<30CFU/g
Light Absorption (A660 1cm 1% solution)
<0.01
Preservative (Phenoxy Ethanol)
<0.8%
Usage:

Its main biological role is water retention and lubricity. It is one of the best natural moisturizing components used in cosmetics and is recommended in all kinds of skin-care, hair-care products. The incorporated quantities are about 0.05- 0.5%.