2-Methylpropanedioic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 516-05-2 |
| Product name | 2-Methylpropanedioic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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-Methylpropanedioic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Methylpropanedioic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Methylpropanedioic acid
| Industry | Application | Process |
|---|---|---|
| Chemical Research | Organic Synthesis Intermediate | Used in the synthesis of complex organic molecules; enables carbon-chain elongation and functional group transformations |
| Biochemistry | Metabolic Pathway Tracer | Employed as an isotopically labeled compound to study propionic acid metabolism and the pathogenesis of methylmalonic acidemia |
| Pharmaceutical Development | Drug Impurity Reference Standard | Applied as a certified reference material for related substances analysis in pharmaceutical quality control |
| Diagnostics Reagents | Clinical Assay Standard | Used as an internal standard in gas chromatography–mass spectrometry (GC-MS) analysis for newborn screening of inherited metabolic disorders |
Manufacturing Quality Control of 2-Methylpropanedioic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration with NaOH | Quantifies methylmalonic acid by neutralizing its carboxylic acid groups with standardized sodium hydroxide solution. |
| Water Content | Karl Fischer Titration | Measures water based on stoichiometric reaction between water, iodine, sulfur dioxide, and a base in methanol. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic impurities by weighing residue after high-temperature ashing. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | Quantifies trace metals (e.g., Pb, Cd, Hg) by measuring absorption of specific wavelengths of light by ground-state atoms. |
| Chloride | Potentiometric Titration with AgNO3 | Detects chloride ions via precipitation titration using silver nitrate and a silver indicator electrode. |
| Sulfate | Barium Sulfate Gravimetric Method | Precipitates sulfate as BaSO4 and determines content by weighing the dried precipitate. |
| Related Substances | High-Performance Liquid Chromatography (HPLC) | Separates and quantifies structurally similar impurities using reversed-phase C18 column and UV detection. |
| Optical Rotation | Polarimetry | Measures specific rotation of chiral methylmalonic acid using plane-polarized light in solution. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity. |
| pH of Aqueous Solution | pH Meter Measurement | Measures hydrogen ion activity in a defined aqueous solution using calibrated glass electrode. |
| Iron (Fe) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Quantifies iron by detecting characteristic atomic emission lines after plasma atomization and excitation. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Determines volatile content by measuring mass loss upon controlled heating under inert atmosphere. |
Technical Specifications of 2-Methylpropanedioic acid
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (NMR) |
| Melting Point | 128-132°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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-Methylpropanedioic acid
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| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Methylpropanedioic acid
Packaging of 2-Methylpropanedioic acid
Industrial 2-Methylpropanedioic 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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