Fumaric acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 110-17-8 |
| Product name | Fumaric acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty GradeCosmetic GradeFood 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 Fumaric acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Fumaric acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Fumaric acid
| Industry | Application | Process |
|---|---|---|
| Food Industry | Acidulant, flavor enhancer | Added to food products to adjust acidity or enhance flavor |
| Pharmaceutical Industry | Synthetic drug intermediate | Used in the production of antiepileptic drugs, antihypertensives, etc. |
| Chemical Industry | Resin and plastic modifier | Involved in the synthesis of unsaturated polyester resins |
| Pesticide Industry | Pesticide intermediate | Used in the synthesis of insecticides, herbicides, etc. |
| Medical Field | Treatment of iron-deficiency anemia | Ferrous fumarate formulations for iron supplementation |
| Cosmetics Industry | Antioxidant, stabilizer | Added to skincare or cosmetic products to improve stability |
Manufacturing Quality Control of Fumaric acid
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Assay | High-Performance Liquid Chromatography (HPLC) | Uses a C18 column and a UV detector (typically at 210–220 nm wavelength), with mobile phases such as phosphate buffer-methanol to quantitatively analyze fumaric acid content. This method offers high sensitivity and excellent separation. |
| Acid-Base Titration | Utilizes the acidity of fumaric acid, titrating with a standard sodium hydroxide solution. The endpoint is determined using phenolphthalein as an indicator or by potentiometric titration to calculate total acid content. Simple to perform and suitable for routine quality control. | |
| Identification | Infrared Spectroscopy (IR) | Compares sample spectra with reference standards, confirming molecular structure through characteristic absorption peaks (e.g., carboxyl group, C=C double bond). Highly specific. |
| Ultraviolet-Visible Spectrophotometry (UV-Vis) | Exhibits characteristic absorption peaks around 200–220 nm, useful for auxiliary identification and preliminary purity assessment. | |
| Related Substances / Impurities | High-Performance Liquid Chromatography (HPLC) | Similar to assay determination, but employs gradient elution or longer retention times to detect impurities such as maleic acid, unreacted starting materials, and other organic impurities, thereby evaluating purity. |
| Moisture Content | Karl Fischer Titration | Relies on the quantitative reaction of iodine with sulfur dioxide in an anhydrous environment with water, enabling precise measurement of moisture content in samples. Suitable for trace moisture analysis. |
| Melting Point | Melting Point Determination | Determines the melting temperature of fumaric acid (theoretical decomposition point ~287°C) using a melting point apparatus or capillary method, used for identification and preliminary purity assessment. |
| Solution Clarity and Color | Visual Comparison or Spectrophotometry | The sample is dissolved to a specified concentration, and the clarity and color of the solution are observed and compared with standard color solutions to assess the presence of insoluble particles or colored impurities. |
| Heavy Metals | Sulfide Colorimetric Method (e.g., Chinese Pharmacopoeia Method) | In acidic conditions, reacts with hydrogen sulfide or sodium sulfide to form colored precipitates, which are compared to a standard lead solution for limit testing of heavy metal impurities. |
| Residue on Ignition | Ignition Residue Test | The sample is ignited at high temperature and the weight of the residue is measured, used to determine the total amount of inorganic impurities, ensuring compliance with pharmaceutical excipient standards. |
Technical Specifications of Fumaric acid
| Test Item | Specification |
|---|---|
| Appearance | White to Almost white powder to crystal |
| ldentification(IR) | Conforms to structure |
| Assay | 99.5%~100.5% |
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 Fumaric acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Fumaric acid
Packaging of Fumaric acid
Industrial Fumaric 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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