Poly(hexamethylenebiguanide)hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 32289-58-0 |
| Product name | Poly(hexamethylenebiguanide)hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty GradeCosmetic GradeFood Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Poly(hexamethylenebiguanide)hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Poly(hexamethylenebiguanide)hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Poly(hexamethylenebiguanide)hydrochloride
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Biocide for industrial recirculating cooling water systems | Dosed into the recirculating water system at a typical concentration of 0.5–5 mg/L; exerts broad-spectrum biocidal activity by disrupting microbial cell membranes |
| Healthcare | Disinfectant for medical devices, hand sanitizer, preservative in oral care products | Formulated as a 0.05–0.2% aqueous solution for immersion disinfection (contact time ≥5 minutes) or surface wiping; used as a stable preservative in mouthwashes and similar products at concentrations ≤0.005% |
| Textile Printing & Dyeing | Antimicrobial finishing agent | Applied together with crosslinking agents (e.g., DMDHEU) via pad-dry-cure processing to immobilize PHMB onto fiber surfaces, conferring durable antimicrobial properties to textiles |
| Personal Care Products | Preservative in shampoos, body washes, and wet wipes | Added at 0.001–0.003% concentration within pH 5.5–7.5 to inhibit bacteria and fungi, thereby enhancing microbiological stability of formulations |
| Agriculture | Seed treatment agent and post-harvest fruit and vegetable preservative | Applied as seed coating (0.01–0.05% solution) or fruit/vegetable dip treatment (0.005–0.02% solution) to suppress proliferation of pathogenic bacteria (e.g., *Erwinia* spp., *Pseudomonas* spp.) |
Manufacturing Quality Control of Poly(hexamethylenebiguanide)hydrochloride
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, state, and clarity of the sample. PHMB-HCl is typically a colorless to pale yellow transparent liquid or white to off-white powder. |
| Identification Test | Fourier Transform Infrared Spectroscopy (FT-IR) | Compare the infrared spectra of the sample with that of the reference standard to confirm consistency in characteristic functional groups (e.g., guanidino, C-N bonds). |
| Nuclear Magnetic Resonance Spectroscopy (¹H-NMR) | Analyze the chemical environment of hydrogen atoms in the molecular structure to verify structural units and end-group characteristics of the polymer. | |
| Content Determination | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Utilize the characteristic absorption of PHMB at specific wavelengths (approximately 230–240 nm) to determine its concentration via a standard curve method. |
| Non-Aqueous Titration | In a non-aqueous medium, perchloric acid is used as the titrant with crystal violet as an indicator to measure the free base content in the hydrochloride salt. | |
| pH Value | pH Meter Measurement | Dilute the PHMB solution to a certain concentration and measure its acidity or alkalinity using a calibrated pH meter; it should generally fall within the range of 3.5–6.0. |
| Solution Clarity and Color | Visual Color Comparison / Turbidimeter Method | Prepare the sample into a specified concentration solution, compare its color with a standard color reference, and use a turbidimeter to assess solution clarity. |
| Moisture Content | Karl Fischer Method | Suitable for solid samples, this method accurately measures moisture content to avoid affecting the calculation of active components. |
| Viscosity | Rotational Viscometer Method | Measure the viscosity of liquid PHMB solutions at specific temperatures to reflect polymer molecular weight and fluidity. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Determine residual heavy metals such as lead, arsenic, mercury, and cadmium after sample digestion to ensure compliance with pharmacopoeia or industry safety standards. |
| Microbial Limits | Microbial Limit Test (Chinese Pharmacopoeia) | Examine aerobic bacterial count, mold, and yeast counts, as well as controlled organisms (e.g., Escherichia coli, Staphylococcus aureus, etc.). |
| Ethylene Oxide/Propylene Oxide Residue | Gas Chromatography (GC) | If relevant epoxides are used in production, detect their residue levels using headspace injection GC analysis. |
| Polymer Molecular Weight Distribution | Gel Permeation Chromatography (GPC/SEC) | Determine the number-average molecular weight (Mn), weight-average molecular weight (Mw), and polydispersity index (PDI) of PHMB to evaluate polymer uniformity. |
Technical Specifications of Poly(hexamethylenebiguanide)hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
| Solubility | Freely soluble in water and methanol |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Poly(hexamethylenebiguanide)hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Poly(hexamethylenebiguanide)hydrochloride
Safety Information of Poly(hexamethylenebiguanide)hydrochloride
| Pictograms |     |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of Poly(hexamethylenebiguanide)hydrochloride
Industrial Poly(hexamethylenebiguanide)hydrochloride Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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