Hyaluronic Acid (Eye-Drop Grade)

Offer Details

Offer Type:
Offer Group:	Pharmaceutical Chemicals/extraction
Offer Post Time:	2009-12-14
Expiration Date:	2010-07-13
Details:	Hyaluronic acid (Eye-drop Grade) CHARACTERISTICS: White or almost white, very hygroscopic grain or powder, without odor, turn to Clear solution when dissolved in water, insoluble in ethanol, acetone and Aether CExamination: PH; 6.9 Molecular weight: >= 1.72*1000000 Protein: <=0.07% Nitrogen: 2.1% Transparency: >=95.4% Loss on drying: <=6.8% Heavy metals: <=10ppm Microbial Examination: Bacteria counts <=10CFU/g Mold & Yeast <=10CFU/g Endotoxin 0.4eu/mg Staphylococcus aureus negative Pseudomonas aeruginosa negative Shelf Life: 24months