3-Methoxy-1,2-propanediol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 623-39-2 |
| Product name | 3-Methoxy-1,2-propanediol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeFood Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 3-Methoxy-1,2-propanediol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Methoxy-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 3-Methoxy-1,2-propanediol
| Industry | Application | Process |
|---|---|---|
| Cosmetics | Humectant, solvent | Used as a polyol component in cosmetic formulations to adjust viscosity and enhance skin moisturization |
| Pharmaceuticals | Pharmaceutical intermediate | Applied in the synthesis of biologically active organic compounds, such as precursors to antiviral or anti-inflammatory drugs |
| Organic synthesis | Solvent and reaction medium | Employed as a polar aprotic solvent in esterification, etherification, or reduction reactions |
| Food industry | Food additive (limited use) | Used as a humectant or stabilizer in specific food systems, compliant with FDA/EFSA limited approval requirements |
| Adhesives | Plasticizer and wetting agent | Enhances flexibility and adhesion of adhesives, particularly in aqueous adhesive systems |
Manufacturing Quality Control of 3-Methoxy-1,2-propanediol
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Identification Test | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with the reference spectrum to confirm the presence of characteristic functional groups (such as hydroxyl, ether bond, etc.) of 3-methoxy-1,2-propanediol. |
| Assay | Gas Chromatography (GC) | Use a capillary gas chromatographic column with an appropriate internal standard (e.g., n-propanol) for quantitative analysis. The assay content is calculated by peak area normalization or internal standard method. Suitable for samples with good volatility and thermal stability. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with water-organic solvent (e.g., methanol or acetonitrile) as the mobile phase and UV detection (typically at low wavelengths such as 200–210 nm). Suitable for quantitative analysis of thermally unstable or non-volatile samples. |
| Water Content | Karl Fischer Titration | Quantitatively determine trace moisture in organic compounds using the Karl Fischer reagent, which reacts stoichiometrically with water. Water content is precisely measured via volumetric or coulometric titration. This is the standard method for determining trace water in organic substances. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | The sample is placed in a sealed headspace vial and heated to equilibrium; the vapor phase is then injected into a GC system to separate and detect potential residual organic solvents (e.g., methanol, acetone), in compliance with ICH Q3C guidelines. |
| Related Substances / Impurities | Gas Chromatography (GC) or High-Performance Liquid Chromatography (HPLC) | Using gradient elution or programmed temperature ramping to separate and detect by-products or degradation impurities (e.g., 1,2-propanediol, 3-chloro-1,2-propanediol) that may arise during synthesis. Quantification is performed by area normalization or with correction factors. |
| Acid Value / Acidity | Acid-Base Titration | Titrate free acids in the sample with a standard sodium hydroxide solution, using phenolphthalein indicator or potentiometric endpoint detection to assess the level of acidic impurities. |
| Refractive Index | Refractometry | Measure the refractive index of the sample at a specified temperature (usually 20°C or 25°C). Used as a physical constant for identification and purity assessment. |
| Relative Density | Densimeter or Pycnometer Method | Determine the density of the sample under standard temperature conditions for quality consistency control. |
Technical Specifications of 3-Methoxy-1,2-propanediol
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.432–1.436 |
| Relative Density (20°C/25°C) | 1.075–1.085 g/cm³ |
| 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 3-Methoxy-1,2-propanediol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Methoxy-1,2-propanediol
Packaging of 3-Methoxy-1,2-propanediol
Industrial 3-Methoxy-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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