2-Butynoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 590-93-2 |
| Product name | 2-Butynoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeCosmetic GradeFood 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 2-Butynoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Butynoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Butynoic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of pharmaceutical intermediates | Prepared via organic synthesis methods, such as oxidation or condensation of alkynes |
| Agrochemical Industry | Synthesis of agrochemical intermediates | Used as precursors in the synthesis of herbicides or insecticides |
| Fragrance Industry | Synthesis of fragrance compounds | Applied in the synthesis of organic compounds with specific odor profiles |
| Polymer Materials | Synthesis of polymer monomers | Employed as monomers or crosslinking agents in polymerization reactions |
| Organic Synthesis | Synthesis of other organic compounds | Used to prepare various derivatives via addition, substitution, and related reactions |
Manufacturing Quality Control of 2-Butynoic acid
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Assay | Gas Chromatography (GC) | Using a gas chromatograph equipped with an FID detector, the purity and content of 2-butynoic acid are determined by comparison with reference standards. Suitable for volatile organic acids. Derivatization is required to improve sensitivity and stability. |
| High-Performance Liquid Chromatography (HPLC) | Employs a reversed-phase C18 column and UV detection (around 210 nm). The mobile phase is typically a methanol-water or acetonitrile-water system (with low concentration acid to adjust pH). No derivatization needed; suitable for thermally unstable samples. | |
| Impurity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Combines the separation capability of GC with the qualitative power of MS, effectively identifying and quantifying residual solvents, by-products, and degradation impurities. Suitable for analysis of volatile impurities. |
| Liquid Chromatography-Mass Spectrometry (LC-MS) | Used for qualitative and quantitative analysis of non-volatile or thermally unstable impurities, especially effective in identifying structurally similar compounds or degradation products. | |
| Moisture Content | Karl Fischer Titration | Based on the reaction of iodine and sulfur dioxide with water in an anhydrous environment, this method accurately measures trace moisture in samples. Applicable for moisture-sensitive organic acids. |
| Acid Value (or Titration Purity) | Acid-Base Titration | Titration of 2-butynoic acid with standard sodium hydroxide solution, using phenolphthalein or potentiometric detection to determine the endpoint. Acid value or equivalent purity is then calculated. Simple and suitable for rapid preliminary assessment. |
| Appearance and Physical Properties | Visual Inspection, Melting/Boiling Point Determination | Observe sample color and physical state; measure melting or boiling point using appropriate instruments and compare with standard values to assess purity and consistency. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | The sample is placed in a sealed container and heated to equilibrium; the headspace gas is then injected for analysis to detect common organic solvents such as methanol, ethanol, and acetone. |
| Structural Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | Uses ¹H-NMR and ¹³C-NMR to confirm molecular structure, verifying the presence of functional groups and carbon-hydrogen framework consistent with 2-butynoic acid. |
| Fourier Transform Infrared Spectroscopy (FTIR) | Confirms the presence of functional groups through characteristic absorption peaks (e.g., O-H and C=O stretching of carboxyl group, C≡C bond of alkyne), aiding in structural identification. |
Technical Specifications of 2-Butynoic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 54–58°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | 175–185 mg KOH/g |
| Odor | Characteristic sharp odor |
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 2-Butynoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Butynoic acid
Packaging of 2-Butynoic acid
Industrial 2-Butynoic 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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