Isothiazolinones Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 26172-55-4 |
| Product name | Isothiazolinones |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 Isothiazolinones
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Isothiazolinones Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Isothiazolinones
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Biocide and algaecide for controlling microbial contamination in industrial recirculating cooling water, oilfield reinjection water, and paper mill white water systems | Added to water systems, where oxidative action disrupts microbial cell structures to inhibit bacterial, fungal, and algal growth |
| Coatings & Paints | Preservative and anti-mildew agent to prevent microbial degradation of coatings during storage and after film formation | Incorporated during coating manufacturing, typically in combination with other preservatives, to ensure antimicrobial efficacy in both wet and dry films |
| Metalworking Fluids | Microbial control agent to prevent spoilage and deterioration of cutting fluids, grinding fluids, and similar formulations due to bacterial growth | Directly dosed into metalworking fluids to maintain pH stability and extend fluid service life |
| Paper Industry | Pulp preservative and white water biocide to prevent slime formation and biofilm buildup on equipment | Dosed during pulp preparation or in the white water recirculation system to control proliferation of both aerobic and anaerobic microorganisms |
| Personal Care Products | Preservative for shampoos, body washes, skincare products, and similar formulations to prevent product spoilage | Added at low concentrations (typically ≤15 ppm) to inhibit growth of Gram-positive and Gram-negative bacteria as well as yeasts |
| Adhesives & Sealants | Preservative and anti-mildew additive to prevent microbial degradation during storage and application | Incorporated during formulation to protect organic components from bacterial and fungal attack |
| Oil & Gas | Oilfield biocide for controlling sulfate-reducing bacteria and other harmful microorganisms in fracturing fluids, drilling fluids, and reinjection water | Injected batchwise or continuously into treatment systems to mitigate microbially induced corrosion (MIC) and hydrogen sulfide generation |
Manufacturing Quality Control of Isothiazolinones
| Detection Item | Common Detection Method | Method Overview |
|---|---|---|
| Determination of Content (Total Thiocarbamates or Single Components such as MIT, CIT, etc.) | High-Performance Liquid Chromatography (HPLC) | Using a reverse-phase C18 column and a UV detector (typically at wavelengths of 220–280 nm), quantitative analysis of thiocarbamate compounds in the sample is performed via external standard or internal standard methods. This method offers good separation, high sensitivity, and excellent reproducibility, making it suitable for quantifying MIT, CIT, DCOIT, and other monomers or mixtures in raw materials and products. |
| Determination of Content | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Quantitative analysis is performed based on the characteristic absorption of thiocarbamates at specific UV wavelengths. The method is simple to operate and low-cost, but has poor selectivity and is easily interfered with by coexisting substances, making it suitable for rapid screening of samples with high purity. |
| Impurity Analysis (e.g., Chloride Ions, By-products, etc.) | Ion Chromatography (IC) | This method is used to detect residual inorganic anions (such as Cl⁻) or other ionic impurities during production. It has high sensitivity and good selectivity. |
| Impurity and Degradation Product Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | This method is suitable for qualitative and quantitative analysis of volatile or semi-volatile thiocarbamate derivatives and their degradation products, especially when studying stability or metabolic products. Derivatization is usually required to improve volatility. |
| Impurity and Structural Confirmation | High-Performance Liquid Chromatography-Mass Spectrometry (LC-MS/MS) | Combining the high separation capability of HPLC with the high specificity of mass spectrometry, this method can accurately identify thiocarbamate compounds, as well as trace impurities and degradation products. It is widely used in quality research and impurity profiling. |
| pH Value | pH Meter Method | The pH value of the solution is directly measured using a calibrated pH meter. This helps control the acid-base environment of the product to ensure the stability of thiocarbamates (typically stable within a pH range of 2–9). |
| Appearance and Color | Visual Color Comparison or Colorimeter Method | The color of the sample is compared with standard color solutions or measured using a colorimeter to assess the purity of the product and determine if oxidation or degradation has occurred. |
| Stability Study (Accelerated/Long-Term Testing) | HPLC Combined with Forced Degradation Tests | Forced degradation tests are conducted under conditions such as high temperature, light exposure, and acid-base environments. The changes in main component content and the formation of degradation products are then analyzed using HPLC or LC-MS, allowing for the evaluation of product quality stability. |
Technical Specifications of Isothiazolinones
| Test Item | Specification |
|---|---|
| Appearance | Amber transparent liquid |
| Assay of Isothiazolinones | ≥14.0% |
| pH(1% water solution) | 2~4 |
| Density(20°C） | 1.24～1.32 |
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 Isothiazolinones
| CAS/Product ID | *Required fields | |
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NMR Spectra of Isothiazolinones
Packaging of Isothiazolinones
Industrial Isothiazolinones 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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