1,3-Bis(isocyanatomethyl)benzene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3634-83-1 |
| Product name | 1,3-Bis(isocyanatomethyl)benzene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 1,3-Bis(isocyanatomethyl)benzene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-Bis(isocyanatomethyl)benzene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-Bis(isocyanatomethyl)benzene
| Industry | Application | Process |
|---|---|---|
| Coatings & Paints | Used to produce high-performance polyurethane coatings offering excellent weather resistance, chemical resistance, and adhesion | Reacted with polyols to synthesize polyurethane resins for two-component solvent-based or solvent-free coating systems |
| Adhesives | Used to formulate high-strength structural adhesives and elastic adhesives for automotive, construction, and composite applications | Employed as the isocyanate component in crosslinking and curing with polyether/polyester polyols to form polyurethane adhesive layers |
| Sealants | Used to manufacture durable sealants, including architectural joint sealants and industrial sealing products | Reacted with terminal-hydroxyl polymers (e.g., polyethers) to produce moisture-curing or two-component polyurethane sealants |
| Elastomers | Used to synthesize cast polyurethane elastomers for wear-resistant components such as rollers, linings, and seals | Reacted with chain extenders and polyols in molds, followed by casting to produce elastomeric parts |
| Composites | Used as a resin matrix in fiber-reinforced composites to enhance mechanical properties and heat resistance | Blended with epoxy resins or polyols and processed via compression molding or pultrusion |
| Foams | Used in specialized rigid or microcellular polyurethane foams requiring low volatility and high dimensional stability | Mixed with blowing agents, catalysts, and polyols, then processed via reaction injection molding (RIM) or slabstock foaming |
Manufacturing Quality Control of 1,3-Bis(isocyanatomethyl)benzene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) | Quantitative separation and detection of m-xylylene diisocyanate using a capillary column and flame ionization detector. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color against APHA platinum-cobalt standards or measurement of absorbance at 455 nm. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine generated in situ to quantify water based on stoichiometric reaction. |
| Acid Number | Acid-Base Titration | Neutralization of acidic impurities with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Isocyanate Content (NCO %) | Back Titration with Di-n-butylamine | Reaction of NCO groups with excess dibutylamine, followed by titration of unreacted amine with HCl. |
| Residue on Evaporation | Gravimetric Analysis | Evaporation of a weighed sample under controlled conditions and weighing of non-volatile residue. |
| Density | Digital Density Meter | Measurement of mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated refractometer. |
| Chlorinated Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation and identification of chlorinated by-products based on retention time and mass fragmentation patterns. |
| Heavy Metals (Pb, Cd, Hg, Cr) | Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) | Atomization and excitation of metals in argon plasma, followed by element-specific emission intensity measurement. |
| Total Chlorine Content | Combustion Ion Chromatography (CIC) | High-temperature combustion to convert organochlorine to chloride ions, followed by ion chromatographic quantification. |
| Aldehyde Impurities (e.g., m-tolualdehyde) | Gas Chromatography with FID | Separation and detection of volatile aldehyde impurities using capillary GC and flame ionization detection. |
Technical Specifications of 1,3-Bis(isocyanatomethyl)benzene
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.570–1.575 |
| Relative Density (20°C/25°C) | 1.140–1.150 g/cm³ |
| Odor | Characteristic pungent odor |
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 1,3-Bis(isocyanatomethyl)benzene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-Bis(isocyanatomethyl)benzene
Safety Information of 1,3-Bis(isocyanatomethyl)benzene
| Pictograms |     |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1,3-Bis(isocyanatomethyl)benzene
Industrial 1,3-Bis(isocyanatomethyl)benzene 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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