PROPYLMALONIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 616-62-6 |
| Product name | PROPYLMALONIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/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 PROPYLMALONIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk PROPYLMALONIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of PROPYLMALONIC ACID
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key chiral precursor for the synthesis of the antiepileptic drug pregabalin | Prepared via asymmetric hydrogenation or enzymatic reduction to afford (S)-3-cyano-5-methylhexanoic acid, followed by hydrolysis, decarboxylation, and other sequential transformations |
| Organic Synthesis | Multifunctional reagent for carbon-chain extension and substrate for cyclization reactions | Participates in Knoevenagel condensation, Michael addition, and intramolecular alkylation to construct heterocycles or substituted malonic acid derivatives |
| Materials Science | Structural unit for polymer crosslinkers or functional monomers | Introduced into polymers via condensation or addition reactions with polyols/polyamines to incorporate flexible propyl side chains, thereby modulating the glass transition temperature |
Manufacturing Quality Control of PROPYLMALONIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration with NaOH | Quantifies carboxylic acid groups by neutralization with standardized sodium hydroxide solution using phenolphthalein or potentiometric endpoint detection. |
| Water Content | Karl Fischer Titration | Measures water via iodine-sulfur dioxide reaction in a methanol-based solvent, with electrochemical or volumetric endpoint detection. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by high-temperature incineration followed by weighing of residual material. |
| Heavy Metals | ICP-OES | Quantifies trace metal impurities (e.g., Pb, Cd, Hg, As) after acid digestion by measuring element-specific atomic emission intensities. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Ion Chromatography (IC) | Separates and quantifies sulfate ions using anion-exchange column and conductivity detection. |
| Related Substances | HPLC with UV Detection | Separates and quantifies structurally related impurities (e.g., monoester, decarboxylated analogs) using reversed-phase C18 column and UV absorbance at 210 nm. |
| Melting Point | Capillary Melting Point Determination | Measures temperature range at which solid transitions to liquid using calibrated capillary apparatus under controlled heating rate. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or discoloration against standard white background under controlled lighting. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light caused by chiral centers in solution using sodium D-line light source. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Determines volatile content by measuring mass loss upon controlled heating under nitrogen or air atmosphere. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measures hydrogen ion activity in saturated aqueous suspension using calibrated glass electrode and reference electrode. |
Technical Specifications of PROPYLMALONIC ACID
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 128–132°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Acid Value (mg KOH/g) | 180–195 mg KOH/g |
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 PROPYLMALONIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of PROPYLMALONIC ACID
Packaging of PROPYLMALONIC ACID
Industrial PROPYLMALONIC 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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