TRIMETHYLACETIC ANHYDRIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1538-75-6 |
| Product name | TRIMETHYLACETIC ANHYDRIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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 TRIMETHYLACETIC ANHYDRIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TRIMETHYLACETIC ANHYDRIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TRIMETHYLACETIC ANHYDRIDE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Synthesis of antibacterial agents | Reacted with amines to produce pivalamide derivatives |
| Agrochemical Intermediates | Herbicide production | Used to synthesize pivalate ester compounds |
| Polymers & High-Performance Materials | Enhancement of polymer performance | Employed as a crosslinking agent in thermoplastic elastomers |
Manufacturing Quality Control of TRIMETHYLACETIC ANHYDRIDE
| Test Item | Common Testing Method | Method Description |
|---|---|---|
| Purity (Content) | Gas Chromatography (GC) | A gas chromatograph with a capillary column and flame ionization detector (FID) is used. The content of pentanoic anhydride is calculated by comparing with standard substances. This method is suitable for quantitative analysis of volatile organic compounds, offering high sensitivity and repeatability. |
| Acid Value (AV) | Titration Method (Alkalimetric Titration) | Phenolphthalein is used as an indicator, and a known concentration of sodium hydroxide ethanol solution is titrated against free acid in the sample. The acid value is calculated based on the amount of base consumed. It reflects the content of free pentanoic acid and is an important indicator for assessing hydrolysis degree. |
| Water Content | Karl Fischer Titration | Karl Fischer reagent reacts quantitatively with water in the sample, and the water content is determined using potentiometric or coulometric methods. This method is suitable for trace moisture detection and is particularly important for easily hydrolyzed substances like pentanoic anhydride. |
| Residual Solvents | Gas Chromatography-Mass Spectrometry (GC-MS) | Used to detect residual organic solvents (e.g., acetone, toluene, acetonitrile) that may remain from the synthesis process. GC separates the components, and mass spectrometry provides qualitative and quantitative analysis to ensure compliance with pharmacopoeia or industrial standards. |
| Melting Point/Melting Range | Micro Melting Point Apparatus or Differential Scanning Calorimetry (DSC) | The melting behavior of the sample is observed during heating to determine the melting point range. It can be used to assess purity and identify impurities. DSC provides more precise thermodynamic parameters. |
| Infrared Spectroscopy (IR) | Fourier Transform Infrared Spectroscopy (FTIR) | Characteristic absorption peaks (e.g., C=O stretching vibration around 1750–1780 cm⁻¹) confirm the functional group structure of pentanoic anhydride. It is used for qualitative identification and auxiliary purity assessment. |
| Nuclear Magnetic Resonance (NMR) | ¹H-NMR / ¹³C-NMR | Provides molecular structural information, used to confirm the structural integrity of pentanoic anhydride and detect impurities or by-products (e.g., mono-acid, dimers). It is a high-precision method for structural confirmation. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Determines the content of heavy metal elements such as lead, cadmium, and mercury in the sample to ensure compliance with safety standards, especially critical for use as pharmaceutical intermediates. |
Technical Specifications of TRIMETHYLACETIC ANHYDRIDE
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | <=1.0 mg KOH/g |
| Refractive Index (n20/D) | 1.405–1.415 |
| Relative Density (20°C/25°C) | 0.985–1.005 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 TRIMETHYLACETIC ANHYDRIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of TRIMETHYLACETIC ANHYDRIDE
Packaging of TRIMETHYLACETIC ANHYDRIDE
Industrial TRIMETHYLACETIC 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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