(R)-(+)-2-(4-Hydroxyphenoxy)propionic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 94050-90-5 |
| Product name | (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid
| Industry | Application | Process |
|---|---|---|
| Agrochemicals | Key intermediate for synthesizing aryl oxyphenoxypropionate herbicides (e.g., quizalofop-P-ethyl, fluazifop-P-butyl) | Serves as a chiral starting material in esterification and related steps to produce active herbicidal ingredients |
| Pharmaceuticals | Intermediate or raw material for chiral drug synthesis | Applied in asymmetric synthesis or construction of drug molecules containing chiral centers |
Manufacturing Quality Control of (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid
| Test Item | Commonly Used Testing Method | Method Overview |
|---|---|---|
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase column (e.g., C18) and a UV detector (typically at 270–290 nm wavelength) to determine the content of the main component by external or internal standard method. It offers high sensitivity and good reproducibility. |
| Chiral Purity (Enantiomeric Excess) | Chiral High-Performance Liquid Chromatography (Chiral HPLC) | Employs a chiral stationary phase column (e.g., Chiralpak AD-H, AS-H) to separate (R) and (S) enantiomers, evaluating enantiomeric purity to ensure optical purity meets specifications. |
| Related Substances (Impurity Analysis) | High-Performance Liquid Chromatography (HPLC) | Detects possible synthetic intermediates, degradation products, or other impurities under gradient or isocratic conditions. Quantification is performed using peak area normalization or reference substance method. |
| Melting Point | Capillary Melting Point Method | The sample is packed into a capillary tube and heated gradually in a melting point apparatus. Initial and final melting temperatures are observed to provide a preliminary assessment of compound purity and consistency. |
| Specific Optical Rotation | Polarimetry | Measures the specific optical rotation ([α]D) of a solution at a specific concentration using a sodium lamp (589.3 nm), to verify its optical activity and confirm correct molecular configuration. |
| Water Content | Karl Fischer Titration | Can be performed by volumetric or coulometric method, used to accurately determine the water content in samples, suitable for quality control of active pharmaceutical ingredients. |
| Residual Solvents | Gas Chromatography (GC) | In accordance with ICH guidelines, detects residual organic solvents (e.g., methanol, ethanol, dichloromethane) used during manufacturing. Headspace sampling is typically used to improve sensitivity. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Determines residual levels of heavy metal elements such as lead, cadmium, mercury, and arsenic, ensuring compliance with pharmacopoeia-specified limits. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Method | The sample is heated at a specified temperature for a defined period, and the weight loss is measured to evaluate the presence of volatile impurities or residual solvents. |
| Sulfated Ash (Residue on Ignition) | Sulfuric Acid Treatment Followed by High-Temperature Ignition | The sample is treated with sulfuric acid and then ignited at high temperature (about 600–800 °C). The residue is weighed to assess the amount of inorganic impurities. |
Technical Specifications of (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% (LC-MS) |
| Optical Rotation | +36.0 to +39.0 deg (c=1, in methanol) |
| Melting Point | 148 to 152 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
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 (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid
Safety Information of (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid
Industrial (R)-(+)-2-(4-Hydroxyphenoxy)propionic 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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