Polyquaternium-1/PQ-1 CAS: 75345-27-6
white powder or light yellow liquid. Used as pharmaceutical raw materials, an important bacteriostatic agent of eye drops.
product description
Details
Polyquaternium-1/PQ-1 is a detergent-based preservative derived from BAK. PQ-1 was formulated by Alcon in the mid-1980s as a preservative for contact lens storage solutions. Today, it is increasingly used as a preservative in glaucoma eye drops and artificial tears
Specifications
| Item | Specifications |
| Appearance | Clarify,amber,viscous liquid |
| Smell | without stimulation |
| Molecular weight | 6500-57000Da |
| Chloride | ＜10% |
| Assay | ＞33% |
| Free amine | ＜2.0% |
| PH | 6~9 |
| Water solubility | whole soluted |
Package: solution: 1KG/bottle, powder: 100G/bag.
Storage: in a dry and ventilated warehouse; keep away from sunshine; avoid fire; avoid moisture.
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