5-propylbenzene-1,3-diol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 500-49-2 |
| Product name | 5-propylbenzene-1,3-diol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Food GradeCosmetic 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 5-propylbenzene-1,3-diol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-propylbenzene-1,3-diol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-propylbenzene-1,3-diol
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of pharmaceutical intermediates | Reacted with other compounds to produce target drug molecules |
| Cosmetics Industry | Ingredient in skin-care products | Applied for its antioxidant and moisturizing properties |
| Food Industry | Food additive | Used as an antioxidant to extend shelf life |
Manufacturing Quality Control of 5-propylbenzene-1,3-diol
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with reference spectra to confirm the presence of characteristic functional groups of 3,5-dihydroxypropylbenzene (e.g., phenolic hydroxyl groups, aromatic ring). |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Analyze chemical shifts, coupling constants, and other characteristics of hydrogen atoms in the compound using NMR technology to verify structural features and confirm whether the substance is 3,5-dihydroxypropylbenzene. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, and detect at UV wavelength of 270–280 nm. Quantify the main component by external standard or internal standard method. |
| Ultraviolet-Visible Spectrophotometry (UV-Vis) | Utilize the maximum absorbance of 3,5-dihydroxypropylbenzene at a specific wavelength (e.g., around 275 nm). Determine concentration via a calibration curve; suitable for rapid quantification of high-purity samples. | |
| Related Substances (Impurity Profiling) | High-Performance Liquid Chromatography (HPLC) | Employ gradient or isocratic elution to separate the main peak from potential impurity peaks (e.g., synthesis intermediates, degradation products). Impurity limits are controlled using area normalization or standard comparison methods. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Atmospheric Pressure Drying Method | Dry the sample at a specified temperature (e.g., 105°C) to constant weight and calculate the percentage weight loss to assess moisture and volatile content. |
| Sulfated Ash / Residue on Ignition | High-Temperature Ignition Method | Ignite the sample at high temperature (typically 600–800°C), then weigh the residual inorganic matter to control total inorganic impurities. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Digest the sample and measure the content of heavy metal elements such as lead, arsenic, cadmium, and mercury to ensure compliance with pharmacopoeial or relevant regulatory limits. |
| Residual Solvents | Gas Chromatography (GC) | Use headspace or direct injection to separate and detect organic solvents possibly remaining from synthesis (e.g., methanol, ethanol, acetone) via capillary column. Limits are controlled according to ICH Q3C guidelines. |
Technical Specifications of 5-propylbenzene-1,3-diol
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 78–82°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 5-propylbenzene-1,3-diol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-propylbenzene-1,3-diol
Packaging of 5-propylbenzene-1,3-diol
Industrial 5-propylbenzene-1,3-diol 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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