China Factory Direct
|
|
| CAS number | 7782-26-5 |
| Product name | (R)-(-)-2-Phenylpropionic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeCosmetic GradeFood 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 |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Synthesized via aromatic ring substitution |
| Fragrances | Fragrance ingredient | Aromatic esters prepared via esterification |
| Agricultural Chemicals | Plant growth regulators | Used as precursor to hormone-type regulators |
| Fine Chemicals | Synthesis of fine chemicals | Raw material for surfactant synthesis |
| Cosmetics | Skin care ingredient | Skincare formulations prepared via emulsification |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration with NaOH | Quantifies R-2-phenylpropionic acid by neutralizing carboxylic acid group with standardized sodium hydroxide solution using phenolphthalein or potentiometric endpoint detection. |
| Specific Optical Rotation | Polarimetry | Measures the rotation of plane-polarized light caused by chiral R-enantiomer in solution, confirming enantiomeric identity and purity. |
| Chiral Purity (Enantiomeric Excess) | Chiral HPLC | Separates R- and S-enantiomers on a chiral stationary phase; peak area ratio determines enantiomeric excess. |
| Residual Solvents | Gas Chromatography (GC) with FID | Quantifies volatile organic solvents (e.g., toluene, ethyl acetate) by separation and flame ionization detection. |
| Heavy Metals | ICP-OES | Determines total content of heavy metals (e.g., Pb, Cd, Ni) after acid digestion by atomic emission spectroscopy. |
| Water Content | Karl Fischer Titration | Measures trace water via stoichiometric reaction between iodine, sulfur dioxide, and water in anhydrous methanol/pyridine medium. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating crystallinity and absence of significant impurities. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or discoloration against established reference standards. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing, indicating inorganic impurity load. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Related Substances | Reverse-Phase HPLC with UV Detection | Detects and quantifies structurally related impurities (e.g., 2-phenylpropionaldehyde, benzoic acid) using C18 column and UV absorbance at 210 nm. |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of solid particles in suspension by analyzing angular variation in laser light scattering intensity. |
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (LC-MS) |
| Optical Rotation | -75.0 to -85.0 deg (c=1, in CHCl3) |
| 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 |
|
|
|
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.