China (Mainland)
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PQ-1/Polyquaternium-1 CAS NO.75345-27-6
- FOB Price: USD: 65.00-80.00 /Gram Get Latest Price
- Min.Order: 100 Gram
- Payment Terms: T/T
- Available Specifications:
Eye Drop Preserve(1-10)GramEye Drop Preserve(50-100)Gram
- Product Details
Keywords
- Polyquaternium-1
- PQ-1
- Polidronium Chloride
Quick Details
- ProName: PQ-1/Polyquaternium-1
- CasNo: 75345-27-6
- Molecular Formula: C22H48Cl3N3O6
- Appearance: amber to dark brown solid
- Application: No obvious stimulation to the skin, no...
- DeliveryTime: Within 15 days
- PackAge: according to quantities
- Port: Tianjin or Shanghai
- ProductionCapacity: 1 Metric Ton/Year
- Purity: 95% min.
- Storage: Room Temperature
- Transportation: by carrier
- LimitNum: 100 Gram
- Related Substances: 95~100%
- Residue on Ignition: 2.0% max.
- Heavy Metal: 20 ppm max.
- Valid Period: 2 years
- Applications: eye drops
Superiority
Amber to dark brown solid, fairly hygroscopic; bland in taste and nonirritating. Have a large solubility in water, insoluble in ethanol, acetone or ethyl ether.
No obvious stimulation to the skin, not skin sensitization agent and revulsant, has good antibacterial properties; can be used as antiseptic for eye-drops.Ophthalmic preservative Polyquaternium-1 (PQ-1), are critical for the inhibition of growth of microbial contaminants in multi-dose bottles of topical medications.
|
Items |
Standard |
Results |
|
Appearance |
Light yellow to Agate crystal powder |
Conform |
|
Odor |
Without Stimulation |
Conform |
|
Water solubility |
100% Soluble |
Conform |
|
Free Amin |
≤2.0% |
1.5% |
|
Residue on Ignition |
≤0.2% |
<0.2% |
|
Heavy Metals |
≤20 ppm |
<20 ppm |
|
pH |
6.0~9.0 |
6.90 |
|
Chloride |
≤25% |
Conform |
|
Solid Content |
≥95% |
Conform |
|
Assay |
95~100% |
Conform |
|
Total Aerobic Bacteria |
≤100 cfu/g |
Conform |
|
Fungi/Yeast |
≤10 cfu/g |
Conform |
|
Enterobacteria in 1g |
Negative |
Negative |
|
Pseudomonas Aeruginosa in 1g |
Negative |
Negative |
|
Staphylococcus Aureus in 1g |
Negative |
Negative |
Details
Amber to dark brown solid, fairly hygroscopic; bland in taste and nonirritating. Have a large solubility in water, insoluble in ethanol, acetone or ethyl ether.
No obvious stimulation to the skin, not skin sensitization agent and revulsant, has good antibacterial properties; can be used as antiseptic for eye-drops.
Ophthalmic preservative, Polyquaternium-1 (PQ-1), are critical for the inhibition of growth of microbial contaminants in multi-dose bottles of topical medications.
