MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4534-73-0 |
| Product name | MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeElectronic 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 MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE
| Industry | Application | Process |
|---|---|---|
| Polymers | Production of polyimide | Used as a tetracarboxylic dianhydride monomer in condensation polymerization with diamines to synthesize high-performance polyimide resins |
| Electronics | Insulating layer for flexible printed circuit boards | Processed into polyimide films via solution casting for high-temperature insulation applications |
| Aerospace | Matrix resin for composites | Copolymerized with other monomers to form high-temperature-resistant, high-strength matrix resins for composite materials |
| Coatings | High-temperature corrosion-resistant coatings | Incorporated as a crosslinker or film-forming component to enhance thermal stability and adhesion of coatings |
Manufacturing Quality Control of MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Hydrolysis of anhydride to tetraacid followed by titration with standardized NaOH solution. |
| Moisture Content | Karl Fischer Titration | Electrochemical determination of water based on iodine-sulfur dioxide reaction in methanol-pyridine medium. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 800 C and weighing non-volatile residue after combustion. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of metal impurities by atomic absorption at characteristic wavelengths after acid digestion. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver electrode to detect endpoint via potential change. |
| Melting Point | Capillary Melting Point Determination | Observation of temperature range at which solid transitions to liquid in capillary tube under controlled heating. |
| Organic Volatile Impurities | Gas Chromatography (GC) | Separation and quantification of volatile organic impurities using capillary column and FID detection. |
| Color | Visual Comparison or Colorimeter | Comparison of sample solution color against standard platinum-cobalt scale or spectrophotometric measurement at 430 nm. |
| Acid Number | Acid-Base Titration | Titration of free carboxylic acid groups (from partial hydrolysis) with standardized KOH in ethanol. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine size distribution of dry powder particles. |
| Bulk Density | Gravimetric Volumetric Method | Mass of material poured into a calibrated cylinder divided by its volume. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample with sulfuric acid followed by high-temperature ashing and weighing of residual sulfate ash. |
Technical Specifications of MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% (by NMR) |
| Water Content (KF) | <=0.5% |
| Melting Point | 178–182°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| 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 MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE
Industrial MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE 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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