China Factory Direct
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| CAS number | 3697-66-3 |
| Product name | 1-(ethoxycarbonyl)cyclopropanecarboxylic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty Grade |
| Packaging | 25L/drum |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key chiral intermediate for synthesizing antiviral drugs (e.g., HIV protease inhibitors) | Constructs the cyclopropyl amino acid structural motif via asymmetric hydrogenation or enzymatic hydrolysis |
| Pesticide R&D | Cyclopropyl modifying group in novel insecticidal and fungicidal molecules | Introduced into the active molecular scaffold via transesterification or amidation to enhance metabolic stability |
| Organic Synthesis | Cyclopropylating reagent providing cyclopropyl-1,1-dicarboxylate derivatives | Generates a stable carbanion under strong base (e.g., LDA) for alkylation or carbonyl addition reactions |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component by retention time and peak area comparison against certified reference standard. |
| Related Substances | Gas Chromatography (GC) with FID or MS detection | Separates and detects impurities based on relative retention times and response factors; identifies structural analogs. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine reacts stoichiometrically with water; measures trace moisture content. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Neutralizes free carboxylic acid groups; calculates mg KOH per g sample from titrant volume and concentration. |
| Ethyl Ester Content | Gas Chromatography (GC) with internal standard | Quantifies ethyl ester moiety using a stable internal standard (e.g., n-decane) for calibration accuracy. |
| Residue on Ignition | Gravimetric Analysis (Sulfated Ash) | Measures non-volatile inorganic residue after controlled high-temperature combustion and sulfuric acid treatment. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) after wet digestion | Quantifies total heavy metals by atomization and absorption of element-specific light after acid digestion. |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration | Separates and quantifies chloride ions via conductivity detection (IC) or silver nitrate titration endpoint detection. |
| Appearance | Visual Inspection in Standard Light | Assesses physical state, color, and clarity against water-white reference under controlled daylight-equivalent illumination. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light caused by chiral centers; reports degrees per dm/g at specified wavelength and temperature. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method per USP <741>. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Quantifies volatile organic solvents (e.g., ethanol, toluene) by equilibrium vapor phase analysis above sample. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.425–1.435 |
| Relative Density (20°C/25°C) | 1.040–1.060 g/cm³ |
| Odor | Characteristic ester-like odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.