Methylene-bis(4-cyclohexylisocyanate) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5124-30-1 |
| Product name | Methylene-bis(4-cyclohexylisocyanate) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial 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 Methylene-bis(4-cyclohexylisocyanate)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methylene-bis(4-cyclohexylisocyanate) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methylene-bis(4-cyclohexylisocyanate)
| Industry | Application | Process |
|---|---|---|
| Polyurethane Industry | Manufacturing polyurethane foam | Reacting with polyols to produce polyurethane foam materials |
| Coatings Industry | Producing high-performance coatings | Used as a curing agent in two-component polyurethane coatings |
| Adhesives Industry | Formulating structural adhesives and sealants | Reacting with polyols to produce polyurethane adhesives with high bond strength |
| Plastics Processing | Synthesizing elastomers and engineering plastics | Used in the production of elastomers, synthetic resins, etc. |
| Textile Industry | Manufacturing polyurethane fibers | Used for synthesizing polyurethane fibers or coatings |
Manufacturing Quality Control of Methylene-bis(4-cyclohexylisocyanate)
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Isocyanate Content (NCO%) | Di-n-butylamine Titration Method | Excess di-n-butylamine reacts with NCO groups in the sample to form urea; the unreacted di-n-butylamine is then back-titrated with standardized hydrochloric acid to calculate NCO content. Suitable for liquid isocyanates, offering high precision and simple operation. |
| Purity | Gas Chromatography (GC) or High-Performance Liquid Chromatography (HPLC) | Separation of sample components via chromatography, followed by quantification using standard reference materials. HPLC is preferred for thermally unstable or high-boiling-point substances, such as H12MDI. |
| Water Content | Karl Fischer Titration | Based on the quantitative reaction of iodine and sulfur dioxide with water in an anhydrous environment to determine trace moisture. Suitable for moisture-sensitive isocyanate compounds. |
| Color (Colorimetry) | Platinum-Cobalt Color Scale (APHA Color) | Visual or instrumental comparison of the sample against a platinum-cobalt standard color series to assess color intensity, reflecting impurity levels or oxidation extent. |
| Acid Value | Acid-Base Titration | The sample is dissolved in an appropriate solvent (e.g., isopropanol) and titrated with standardized potassium hydroxide solution to determine the milligrams of KOH consumed per gram of sample, indicating the presence of by-products or degradation. |
| Density | Densitometer or Pycnometer Method | Measurement of mass per unit volume at a specified temperature (e.g., 25°C) using a densitometer or pycnometer, used for quality consistency control. |
| Viscosity | Rotational Viscometer Method | Measurement of liquid flow resistance under constant temperature using a rotational viscometer, reflecting molecular weight distribution and processability. |
| Volatile Matter / Volatile Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation and identification of low-molecular-weight impurities or residual solvents to evaluate purity and safety. |
| Residual Cyclohexyldiamine (H12MDA) | High-Performance Liquid Chromatography (HPLC) | Detection of unreacted starting material H12MDA residue, typically using UV or mass spectrometric detection, to ensure product safety and complete reaction. |
| Thermal Stability | Differential Scanning Calorimetry (DSC) or Thermogravimetric Analysis (TGA) | DSC measures phase transitions or reaction enthalpies; TGA measures mass loss during heating to evaluate stability during storage and processing. |
Technical Specifications of Methylene-bis(4-cyclohexylisocyanate)
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | ≥99.5% |
| Color(Pt-Co) | ≤30 |
| Isocyanate | ≥31.8% |
| Hydrolyzed chlorine | ≤0.001% |
| Total chloride | ≤0.1% |
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 Methylene-bis(4-cyclohexylisocyanate)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of Methylene-bis(4-cyclohexylisocyanate)
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of Methylene-bis(4-cyclohexylisocyanate)
Industrial Methylene-bis(4-cyclohexylisocyanate) 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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