Methylhexahydrophthalic anhydride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 25550-51-0 |
| Product name | Methylhexahydrophthalic anhydride |
| 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 Methylhexahydrophthalic anhydride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methylhexahydrophthalic anhydride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methylhexahydrophthalic anhydride
| Industry | Application | Process |
|---|---|---|
| Electronics & Electrical | Epoxy curing agent for encapsulants and printed circuit board (PCB) substrates | Heat-cured after blending with epoxy resin to form a thermally stable, low-dielectric-constant three-dimensional network |
| Composites | Epoxy curing agent for high-performance composites (e.g., wind turbine blades, aerospace components) | Thermally cured after vacuum infusion or compression molding with bisphenol-A-type or tetrabromobisphenol-A-type epoxy resins |
| Coatings | Curing component for corrosion-resistant industrial coatings, marine paints, and nuclear power plant protective coatings | Formulated as a two-component coating with epoxy resin; cured at ambient temperature or at intermediate temperatures (80–120 °C) to deliver excellent adhesion and chemical resistance |
| Adhesives | Curing agent for structural adhesives, electronic encapsulants, and high-temperature bonding adhesives | Cured via stepwise heating (100–150 °C) after compounding with epoxy resin to achieve high shear strength and thermal stability |
Manufacturing Quality Control of Methylhexahydrophthalic anhydride
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and state of the sample, typically a clear, colorless to pale yellow liquid with no visible impurities. |
| Purity (Content) | Acid Value Titration / High-Performance Liquid Chromatography (HPLC) | Acid Value Method: Titrate with standard potassium hydroxide ethanol solution, calculate acid value and convert it to active ingredient content; HPLC Method: Quantify the main component through chromatographic separation, which has higher accuracy. |
| Acid Value | Acid-Base Titration | Titrate the sample with a known concentration of KOH ethanol solution, using phenolphthalein as an indicator, and calculate the milligrams of KOH consumed per gram of sample (mg KOH/g). |
| Moisture | Karl Fischer Titration | Use iodine and sulfur dioxide in the presence of pyridine and methanol to react with water. The moisture content is determined by measuring the amount of electricity or volume, offering high sensitivity suitable for trace water analysis. |
| Color | Platinum-Cobalt Colorimetric Method (APHA Color) | Compare the sample with a platinum-cobalt standard color chart to determine the depth of color, used to assess the refining degree and oxidation condition of the product. |
| Density | Density Meter Method / Specific Gravity Bottle Method | Measure the mass per unit volume at a specified temperature (e.g., 25°C), used for quality control and batch consistency evaluation. |
| Viscosity | Rotational Viscometer Method | Use a rotational viscometer under constant temperature conditions to measure the fluid's flow resistance, reflecting its processing performance. |
| Volatile Matter / Volatile Components | Thermogravimetric Analysis (TGA) or Oven Loss Method | Heat the sample at a certain temperature and measure the mass loss to evaluate the residual solvent or low-molecular impurities. |
| Impurity Analysis (By-products, Isomers) | Gas Chromatography (GC) or HPLC | Separate and quantify possible isomers (e.g., endo/exo forms), unreacted raw materials, or other by-products. |
| Epoxy Equivalent Reactivity Test | Curing Reaction Test (DSC Method) | Use Differential Scanning Calorimetry (DSC) to determine the onset temperature, peak temperature, and reaction heat of its reaction with epoxy resin, assessing the reactivity. |
Technical Specifications of Methylhexahydrophthalic anhydride
| Test Item | Specification |
|---|---|
| Appearance | Colorless transparent liquid |
| Purity | ≥98.0% |
| Color(Pt-Co) | ≤50 |
| Free acid | ≤1.0% |
| Viscosity (mPa·s) at 25°C | 50~80 |
| Iodine value(gl2/100g) | ≤1.0 |
| Freezing point | ≤-15°C |
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 Methylhexahydrophthalic anhydride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methylhexahydrophthalic anhydride
Safety Information of Methylhexahydrophthalic anhydride
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of Methylhexahydrophthalic anhydride
Industrial Methylhexahydrophthalic anhydride 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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