(R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 159350-97-7 |
| Product name | (R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty Grade |
| Packaging | 25KG/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-(METHYLMETHOXY)-1,2-PROPANEDIOL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chiral synthetic intermediate for antiviral drugs and protease inhibitors | Asymmetric reduction or chiral resolution converts precursor compounds into (R)-configured intermediates for subsequent coupling reactions |
| Agrochemicals | Chiral auxiliary for synthesizing selective insecticides and fungicides | (R)-2-Methoxymethoxy-1-propanol serves as the chiral source in esterification or etherification reactions to construct stereo-selective active molecules |
| High-performance polymers | Functional monomer for modifying polyether or polyurethane segments | Reaction of the hydroxyl group with isocyanates or epichlorohydrin introduces chiral side chains to modulate crystallinity and biocompatibility |
Manufacturing Quality Control of (R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a polar capillary column. |
| Enantiomeric Excess (ee) | Chiral Gas Chromatography (cGC) | Separation of (R)- and (S)-enantiomers on a chiral stationary phase; ee calculated from peak area ratio. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine is generated in situ to react stoichiometrically with water. |
| Residual Solvents | Gas Chromatography (GC) with Headspace sampling | Headspace GC-FID quantifies volatile solvents (e.g., methanol, THF, ethyl acetate) against calibration standards. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and potentiometric endpoint detection. |
| Color | APHA Color Scale (Visual or Spectrophotometric) | Comparison of sample color intensity against platinum-cobalt standard solutions in the visible range. |
| Specific Optical Rotation | [a]D Measurement using Polarimeter | Measurement of rotation angle of plane-polarized light at 589 nm to confirm chiral integrity and concentration. |
| Heavy Metals (as Pb) | ICP-OES after Acid Digestion | Quantification of metals (e.g., Pb, Fe, Ni) following microwave-assisted nitric acid digestion and plasma emission detection. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Separation and quantification of chloride anions using an anion-exchange column and suppressed conductivity detection. |
| Non-Volatile Residue | Gravimetric Analysis (Weight Loss on Drying) | Evaporation of sample under controlled heat and vacuum; residue mass determined by weight difference. |
| Aldehyde Impurity | HPLC with UV Detection after Derivatization | Derivatization with 2,4-DNPH followed by reversed-phase HPLC-UV quantification of hydrazone adducts. |
| Appearance | Visual Inspection in Clear Glass Container | Assessment of clarity and absence of suspended particles or phase separation under controlled lighting conditions. |
Technical Specifications of (R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Optical Rotation | -12.0 to -14.0 deg (c=1, in CHCl3) |
| Refractive Index (n20/D) | 1.420 to 1.425 |
| Odor | Characteristic mild odor |
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-(METHYLMETHOXY)-1,2-PROPANEDIOL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of (R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL
Industrial (R)-(-)-2-(METHYLMETHOXY)-1,2-PROPANEDIOL 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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