3-Thiophenezoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 88-13-1 |
| Product name | 3-Thiophenezoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 3-Thiophenezoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Thiophenezoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Thiophenezoic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Key intermediate for synthesizing antipsychotic drugs (e.g., quetiapine) | Used to prepare quetiapine via multi-step reactions—including coupling and cyclization—with heterocyclic compounds such as 2-chloro-3-(trifluoromethyl)pyridine |
| Agrochemicals | Structural building block for synthesizing thiophene-based insecticides and fungicides | Applied as a side-chain modification group in thiophene-containing agrochemical molecules; introduced into active structures via acylation followed by condensation with amines |
| Materials Science | Functional monomer for organic semiconductors and conjugated polymers | Copolymerized with thiophene, benzodithiophene, and related units via Stille or Suzuki coupling to construct π-conjugated backbones for OLED and OPV devices |
| Dyes | Synthesis intermediate for high-performance textile dyes and fluorescent probes | Employed to build azo or cyanine chromophores through derivatization reactions including esterification, hydrazinolysis, and diazotization |
Manufacturing Quality Control of 3-Thiophenezoic acid
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color and physical state (e.g., white to off-white crystalline powder) with the naked eye to confirm compliance with specifications. |
| Melting Point | Capillary Melting Point Determination | Place the sample into a capillary tube and heat it in a melting point apparatus or Thiele tube, recording the temperature range from initial melting to complete melting. |
| Content (Purity) | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a mobile phase of appropriate methanol-water or acetonitrile-water ratio, and detect at UV wavelength (typically 220–254 nm) for quantitative analysis of the main component. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Similar to content determination, but employs gradient elution or more sensitive conditions to separate and detect potential organic impurities (e.g., unreacted raw materials, by-products). |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Constant Temperature Drying under Atmospheric Pressure | Dry the sample at a specified temperature (e.g., 105°C) until constant weight is achieved, calculating the percentage of mass loss to assess moisture and volatile substance content. |
| Residue on Ignition | High-Temperature Incineration Method | Char the sample first, then incinerate it at 700–800°C in a muffle furnace until constant weight, measuring the amount of inorganic residue (ash content). |
| pH Value | pH Meter Measurement | Prepare an aqueous solution at a specified concentration (e.g., 1%), and measure its acidity or alkalinity using a calibrated pH meter. |
| Infrared Spectroscopic Identification | Fourier Transform Infrared Spectroscopy (FT-IR) | Prepare KBr pellets or ATR samples, and determine characteristic absorption peaks (e.g., carboxylic acid O-H, C=O, thiophene ring C=C), comparing them with reference spectra to confirm molecular structure. |
| Nuclear Magnetic Resonance Proton Spectrum Identification | Nuclear Magnetic Resonance Spectroscopy (¹H NMR) | Dissolve the sample in deuterated solvent (e.g., DMSO-d6), and analyze proton chemical shifts and coupling constants to verify molecular structural consistency. |
Technical Specifications of 3-Thiophenezoic acid
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 128–132°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 3-Thiophenezoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Thiophenezoic acid
Packaging of 3-Thiophenezoic acid
Industrial 3-Thiophenezoic acid 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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