Methyl propiolate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 922-67-8 |
| Product name | Methyl propiolate |
| 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 Methyl propiolate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methyl propiolate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methyl propiolate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Synthesis of drug molecules | Reacted with amines to produce corresponding amide derivatives |
| Agrochemical Intermediates | Production of agrochemicals | Used in the synthesis of compounds exhibiting herbicidal, insecticidal, and fungicidal activity |
| Materials Science | Preparation of functional polymers | Acts as a monomer in free-radical polymerization to yield polymer materials with specific properties |
Manufacturing Quality Control of Methyl propiolate
| Milestone | Common Testing Methods | Method Overview |
|---|---|---|
| Purity/Content Determination | Gas Chromatography (GC) | Capillary column gas chromatography with FID detector is used to separate and quantitatively analyze methyl acrylate. The content of the main component is calculated by external standard method or internal standard method, suitable for precise determination of high-purity samples. |
| Appearance Characteristics | Visual Inspection | Observe the color, clarity, and presence of suspended particles or precipitates under natural light or standard light source. It is usually required to be a clear liquid ranging from colorless to pale yellow. |
| Color | Platinum-Cobalt Colorimetric Method (Hazen Units) | The sample is visually or spectrophotometrically compared with a standard platinum-cobalt solution to determine its color value, used to assess whether the product's color meets quality standards. |
| Moisture Content | Karl Fischer Titration | Karl Fischer reagent reacts quantitatively with moisture in the sample, and the moisture content is determined by volumetric or coulometric method, ensuring that the product's dryness meets storage and reaction requirements. |
| Acid Value | Acid-Base Titration | Using phenolphthalein as an indicator, the free acid in the sample is titrated with a standard potassium hydroxide ethanol solution, and the acid value (mg KOH/g) is calculated, reflecting the level of acidic impurities caused by hydrolysis or oxidation. |
| Refractive Index | Refractometer Method | A Abbe refractometer is used to measure the refractive index of the sample at a specified temperature (e.g., 20°C), serving as a physical constant for auxiliary identification and purity assessment. |
| Density | Density Meter Method or Specific Gravity Bottle Method | The density of the sample is measured at a standard temperature (usually 20°C), used to verify product consistency and assist in purity evaluation. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Headspace sampling combined with GC-FID detection is used to quantitatively analyze residual organic solvents (such as methanol, acetone, etc.) during production, ensuring compliance with safety limits. |
| Non-Volatile Matter | Evaporation Residue Method | A certain amount of sample is evaporated to dryness at a specified temperature, and the mass of the residue is weighed to calculate the non-volatile matter content, used to control high-boiling-point impurities. |
Technical Specifications of Methyl propiolate
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow 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) | 1.420–1.430 |
| Relative Density (20°C/25°C) | 1.030–1.050 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 Methyl propiolate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methyl propiolate
Packaging of Methyl propiolate
Industrial Methyl propiolate 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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