Dodecyl isocyanate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4202-38-4 |
| Product name | Dodecyl isocyanate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial 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 Dodecyl isocyanate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dodecyl isocyanate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dodecyl isocyanate
| Industry | Application | Process |
|---|---|---|
| Chemicals | Synthesis of polyurethane materials | Reacted with polyols to produce polyurethane |
| Pharmaceuticals | Intermediate for drug synthesis | Introduces hydrophobic alkyl chain structures |
| Coatings | Enhances chemical resistance of coatings | Improves coating performance via crosslinking reactions |
| Textiles | Improves water repellency of textiles | Grafted onto fiber surfaces to form hydrophobic layers |
| Pesticides | Synthesis of high-efficiency pesticide intermediates | Participates in constructing the active molecular scaffold |
Manufacturing Quality Control of Dodecyl isocyanate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in the sample using coulometric or volumetric reagents. |
| Acid Number | Acid-Base Titration with NaOH | Neutralization of acidic impurities (e.g., free HCl, carboxylic acids) using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Free Isocyanate Content | Dibutylamine Back-Titration | Reaction of isocyanate groups with excess dibutylamine, followed by acid titration of unreacted amine to calculate NCO content. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 430 nm | Comparison of sample color intensity against APHA platinum-cobalt standards or measurement of absorbance at 430 nm in a 10-mm cell. |
| Density at 20 C | Digital Density Meter (Oscillating U-tube) | Measurement of sample density via resonant frequency shift of a vibrating U-shaped tube filled with the liquid sample. |
| Refractive Index at 20 C | Refractometry | Determination of refractive index by measuring the critical angle of total internal reflection using a calibrated prism instrument. |
| Residue on Evaporation | Gravimetric Analysis (Weight Loss on Drying) | Weighing of residue after controlled evaporation of a known sample mass under specified temperature and vacuum conditions. |
| Chloride Content | Ion Chromatography (IC) with Conductivity Detection | Separation and quantification of chloride ions using an anion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring atomic absorption at characteristic wavelengths for lead. |
| Aldehyde Impurities (e.g., dodecanal) | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation and identification/quantification of volatile aldehyde impurities using electron ionization and selective ion monitoring. |
| Viscosity at 25 C | Rotational Viscometry | Measurement of dynamic viscosity by determining torque required to rotate a spindle immersed in the sample at controlled temperature and shear rate. |
Technical Specifications of Dodecyl isocyanate
| Test Item | Specification |
|---|---|
| Appearance | Clear colorless liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.450 - 1.460 |
| Relative Density (20°C/25°C) | 0.875 - 0.885 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 Dodecyl isocyanate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Dodecyl isocyanate
Packaging of Dodecyl isocyanate
Industrial Dodecyl isocyanate 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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