1,3-BIS(2-ISOCYANATO-2-PROPYL)BENZENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2778-42-9 |
| Product name | 1,3-BIS(2-ISOCYANATO-2-PROPYL)BENZENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeSpecialty 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(2-ISOCYANATO-2-PROPYL)BENZENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-BIS(2-ISOCYANATO-2-PROPYL)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(2-ISOCYANATO-2-PROPYL)BENZENE
| Industry | Application | Process |
|---|---|---|
| Polyurethane | Production of polyurethane foam | Reactive polymerization |
| Coatings | Formulation of high-performance coatings | Addition reaction |
| Adhesives | Formulation of high-strength adhesives | Condensation reaction |
Manufacturing Quality Control of 1,3-BIS(2-ISOCYANATO-2-PROPYL)BENZENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 220 nm, calibrated against certified reference standard. |
| Isocyanate Content | Acid-Base Titration | Reaction of NCO groups with excess dibutylamine followed by back-titration with standardized HCl solution. |
| Moisture Content | Karl Fischer Titration | Electrochemical determination of water via iodine generation and coulometric titration in anhydrous methanol medium. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Measurement of yellowness index by comparing sample absorbance at 430 nm to APHA platinum-cobalt standards. |
| Acid Number | Potentiometric Titration | Titration with standardized KOH ethanol solution using pH electrode to detect endpoint of acidic impurities. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 750 C to constant weight and measuring non-volatile inorganic residue mass. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column with conductivity detection. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection after acid digestion, based on characteristic atomic emission intensities. |
| Volatile Organic Impurities | GC-FID | Separation and quantification of residual solvents and low-boiling impurities using capillary GC with flame ionization detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or optically as solid-to-liquid phase change under controlled heating rate. |
| Viscosity (40 C) | Rotational Viscometry | Shear stress measurement under defined rotational speed and temperature using calibrated spindle geometry. |
| Specific Gravity | Digital Density Meter | Determination of density relative to water at 20 C using oscillating U-tube principle. |
Technical Specifications of 1,3-BIS(2-ISOCYANATO-2-PROPYL)BENZENE
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow clear liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
| Refractive Index (n20/D) | 1.545–1.555 |
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(2-ISOCYANATO-2-PROPYL)BENZENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-BIS(2-ISOCYANATO-2-PROPYL)BENZENE
Safety Information of 1,3-BIS(2-ISOCYANATO-2-PROPYL)BENZENE
| Pictograms |    |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1,3-BIS(2-ISOCYANATO-2-PROPYL)BENZENE
Industrial 1,3-BIS(2-ISOCYANATO-2-PROPYL)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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