4,4'-(1,3-Propanediyl)dioxydianiline Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 52980-20-8 |
| Product name | 4,4'-(1,3-Propanediyl)dioxydianiline |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25KG/bag |
| 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 4,4'-(1,3-Propanediyl)dioxydianiline
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-(1,3-Propanediyl)dioxydianiline Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-(1,3-Propanediyl)dioxydianiline
| Industry | Application | Process |
|---|---|---|
| Polyurethane Industry | Chain extender for polyurethane elastomers | Used as a chain extender in cast polyurethane elastomers (CPU), reacting with isocyanate prepolymers to impart superior mechanical strength, dynamic performance, and hydrolytic stability. |
| Polyurethane Industry | Polyurethane adhesives and coatings | Employed as a chain extender or crosslinker in the synthesis of polyurethane adhesives, coatings, and synthetic leather resins to enhance modulus, adhesion, and durability. |
| Polymer Materials | Synthesis of novel polyamide resins | Serves as an aromatic diamine monomer for synthesizing novel polyamide resins (e.g., aramids or specialty nylons), improving solubility and thermal resistance. |
| Electronic Materials | Curing agent for epoxy resins | Acts as a high-temperature curing agent for epoxy resins in electronic encapsulation materials, laminates, and insulating materials, delivering excellent thermal resistance and toughness. |
| Rubber Industry | Antioxidant for rubber | Used in the synthesis of intermediates for rubber antioxidants to improve aging resistance and service life of rubber products. |
Manufacturing Quality Control of 4,4'-(1,3-Propanediyl)dioxydianiline
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents (e.g., methanol, toluene) against calibrated standards. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction. |
| Heavy Metals | ICP-OES | Multi-element determination of Pb, Cd, Hg, As, and Cr after acid digestion, using inductively coupled plasma optical emission spectrometry. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection with anion-exchange column. |
| Sulfated Ash | Gravimetric Analysis | Ignition at 700-800 C followed by sulfuric acid treatment and weighing of residual inorganic ash. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of sample against specified criteria under controlled lighting conditions. |
| Solubility | Qualitative Solubility Test | Observation of dissolution behavior in specified solvents (e.g., ethanol, chloroform) at defined temperature and concentration. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a saturated aqueous suspension prepared per compendial method (e.g., USP <791>). |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using laser light scattering to determine D10, D50, D90 values. |
Technical Specifications of 4,4'-(1,3-Propanediyl)dioxydianiline
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 125-129 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Residue on Ignition | <=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 4,4'-(1,3-Propanediyl)dioxydianiline
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-(1,3-Propanediyl)dioxydianiline
Safety Information of 4,4'-(1,3-Propanediyl)dioxydianiline
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-(1,3-Propanediyl)dioxydianiline
Industrial 4,4'-(1,3-Propanediyl)dioxydianiline 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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