China Factory Direct
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| CAS number | 14273-85-9 |
| Product name | METHYL 4-IODOBUTYRATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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 Industry | Organic synthesis intermediate | Used in the synthesis of antiviral drugs or antibiotics |
| Pesticide Industry | Insecticide or herbicide intermediate | Serves as a raw material for synthesizing specific pesticides |
| Materials Science | Functional material synthesis | Applied in the preparation of polymer materials or liquid crystal materials |
| Chemical Research | Laboratory reagent | Used in organic synthesis experiments and reaction studies |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 4-iodobutyric acid methyl ester by separation on a capillary column and flame ionization detection relative to a calibrated standard. |
| Residual Solvents | Gas Chromatography (GC) with Headspace sampling | Detects and quantifies volatile organic solvents (e.g., methanol, dichloromethane) using headspace injection and GC-FID or GC-MS. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Determines trace water via electrochemical generation of iodine and stoichiometric reaction with water in anhydrous solvent. |
| Acid Value | Acid-Base Titration (NaOH standard solution) | Measures free carboxylic acid impurities by titration with standardized sodium hydroxide using phenolphthalein or potentiometric endpoint. |
| Iodine Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Quantifies total iodine by atomization and excitation in argon plasma, measuring characteristic iodine emission lines. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES or ICP-MS after acid digestion | After microwave-assisted nitric/hydrogen peroxide digestion, metals are quantified by plasma-based elemental detection. |
| Appearance and Color | Visual Inspection against Standard Color Scale (e.g., APHA/Hazen) | Compares sample clarity and yellowish tint to platinum-cobalt reference solutions under controlled lighting. |
| Refractive Index | Refractometry at 20 degrees C | Measures bending of light through the liquid sample using a calibrated refractometer to assess compositional consistency. |
| Specific Gravity | Digital Density Meter (Oscillating U-tube principle) | Determines mass per unit volume by measuring resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Residual Catalyst (e.g., Pd) | ICP-OES after acid digestion | Quantifies palladium or other metal catalyst residues following closed-vessel acid digestion and plasma emission analysis. |
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.512–1.518 |
| Relative Density (20°C/25°C) | 1.470–1.490 g/cm³ |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.