DL-Mandelic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 90-64-2 |
| Product name | DL-Mandelic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent GradeFood GradeCosmetic 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 DL-Mandelic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk DL-Mandelic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of DL-Mandelic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates for antibiotics, antiviral agents, and cardiovascular drugs | Production of mandelonitrile via reaction of benzaldehyde with cyanide, followed by hydrolysis to yield mandelic acid |
| Fragrances | Used as a fragrance component or precursor in perfume and cosmetic fragrance formulations | Manufactured via chemical synthesis or microbial fermentation for odor modification or enhancement of aroma stability |
| Chemical Reagents | Employed as a catalyst or reagent in organic synthesis | Utilized as a raw material or auxiliary reagent in esterification, acylation, and other organic synthesis reactions |
| Pesticides | Intermediate in the synthesis of certain herbicides and fungicides | Coupling with nitrogen- or sulfur-containing compounds to construct biologically active molecular structures |
| Food Additives (Limited Use) | Preservative or flavor modifier in food (permitted in select jurisdictions) | Applied at strictly controlled dosage levels in specific food products to extend shelf life or improve taste profile |
Manufacturing Quality Control of DL-Mandelic acid
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Assay | High-Performance Liquid Chromatography (HPLC) | Uses a reverse-phase C18 column and a UV detector (typically at 210–230 nm), with water-methanol or buffer solution as the mobile phase. Quantification of mandelic acid is performed using external or internal standard methods, offering high sensitivity and excellent separation. |
| Purity Test | Gas Chromatography (GC) | Suitable for detecting volatile impurities. Mandelic acid must be derivatized (e.g., esterified) prior to injection. Impurities are identified by comparing retention times with reference standards, and quantified using peak area normalization or external standard method. |
| Impurity Analysis | High-Performance Liquid Chromatography-Mass Spectrometry (HPLC-MS) | Combines the separation capability of HPLC with the structural identification power of mass spectrometry, enabling detection and identification of organic impurities and degradation products, especially suitable for trace-level impurity analysis in complex matrices. |
| Water Content | Karl Fischer Titration | Bases on the reaction of iodine and sulfur dioxide with water in an anhydrous environment, allowing precise determination of moisture content. Widely used for moisture control in mandelic acid active pharmaceutical ingredients. |
| Residual Solvents | Gas Chromatography (GC) | In accordance with ICH guidelines, detects organic solvents possibly remaining from manufacturing processes (e.g., methanol, ethanol, acetone). Uses headspace sampling and FID detection for quantification. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After sample digestion, determines levels of heavy metal elements such as lead, cadmium, mercury, and arsenic, ensuring compliance with pharmacopoeial or regulatory limits. |
| Crystal Form Analysis | X-Ray Diffraction (XRD) | Used to identify different crystalline forms of mandelic acid, ensuring consistency in crystallinity, which is critical for stability and solubility. |
| Melting Point | Capillary Melting Point Method | Determines the melting range by heating the sample and observing its melting behavior. Used as a physical constant for identification and preliminary purity assessment. |
| pH Value | pH Meter Method | Aqueous solution of mandelic acid (e.g., 1% w/v) is prepared, and pH is measured using a calibrated pH meter to evaluate its acidity and confirm compliance with specifications. |
| UV Absorption Characteristics | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Measures the absorption spectrum of mandelic acid at specific wavelengths (typically around 210 nm and 257 nm), used for qualitative identification or as support for assay determination. |
Technical Specifications of DL-Mandelic acid
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.5% (HPLC) |
| Melting Point | 117–121°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Optical Rotation | +145° to +155° (c=1, in methanol) |
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 DL-Mandelic acid
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NMR Spectra of DL-Mandelic acid
Packaging of DL-Mandelic acid
Industrial DL-Mandelic 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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