Heptafluorobutyric anhydride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 336-59-4 |
| Product name | Heptafluorobutyric anhydride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic 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 Heptafluorobutyric anhydride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Heptafluorobutyric anhydride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Heptafluorobutyric anhydride
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Used as an organic synthesis intermediate for producing fluorinated polymers and functional materials | Produced via reaction of heptafluorobutyric acid with anhydride reagents |
| Pharmaceutical Industry | Employed in synthesizing fluorinated drug molecules to enhance stability and biological activity | Applied as a fluorine source in organic synthesis to introduce fluorine into drug molecules |
| Materials Science | Utilized in manufacturing high-performance fluorinated resins and coating materials | Acting as a crosslinking agent or modifier in polymerization reactions |
| Electronics Industry | Used in producing specialty electronic chemicals, such as semiconductor encapsulation materials | Fluorine incorporation via chemical reaction to improve material performance |
Manufacturing Quality Control of Heptafluorobutyric anhydride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component peak area against calibrated standard; uses non-polar capillary column and temperature programming. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water in anhydrous methanol-based medium. |
| Acid Value | Acid-Base Titration (NaOH in isopropanol) | Neutralization of acidic impurities (e.g., residual heptafluorobutyric acid) with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after controlled high-temperature ashing of sample in platinum crucible. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metal content after wet digestion and chelation, based on absorption of specific wavelength light by ground-state atoms. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions eluted from anion-exchange column using conductivity detection. |
| Refractive Index | Refractometry | Measures bending of light passing through liquid sample at 20 degrees C to infer purity and composition. |
| Density | Digital Density Meter (Oscillating U-tube) | Determines mass per unit volume via precise measurement of resonant frequency shift of filled oscillating tube. |
| Color (APHA) | Visual Comparison or Spectrophotometric APHA | Compares sample color to platinum-cobalt standard solutions; spectrophotometric version uses absorbance at 455 nm. |
| Volatility Residue | Thermogravimetric Analysis (TGA) | Measures weight loss under controlled nitrogen atmosphere up to 200 degrees C to assess volatile impurities. |
| Residual Solvents (e.g., acetone, THF) | Headspace Gas Chromatography (HS-GC) | Detects and quantifies low-boiling solvents by GC analysis of vapor phase above heated sample in sealed vial. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic sulfate residue after sulfuric acid treatment and high-temperature incineration. |
Technical Specifications of Heptafluorobutyric anhydride
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.275–1.285 |
| Relative Density (20°C/25°C) | 1.42–1.46 g/cm³ |
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 Heptafluorobutyric anhydride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Heptafluorobutyric anhydride
Packaging of Heptafluorobutyric anhydride
Industrial Heptafluorobutyric 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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