Trade name:

LMW Hyaluronic Acid, Na Salt

INCI Name:

Sodium Hyaluronate

Origin:

Biotechnological processing

Appearance:

White to slightly yellow powder or granules

Appearance of 1% aqueous solution:

Clear to slightly opalescent, colorless, viscous liquid (viscosity depends on MW)

Clarity of 1% aqueous solution (660 nm, 1cm):

<0.01

pH of 0.5 % aqueous solution:

5.0 – 8.0

Residue on drying:

>90.0%

Residue on ignition:

<10.0%

Uronic acid (UA):

>45.0%

Sodium hyaluronate:

>93.0%

Protein:

<0.2%

Preservative:

None

Microbial count:

<100 CFU/g

Molecular weight:

0.4 – 0.6 MDa

Viscosity (0.05% solution):

1.23 – 1.36 cSt