China Factory Direct
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| CAS number | 629-19-6 |
| Product name | Propyl disulfide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeReagent GradeCosmetic 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) |
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 |
|---|---|---|
| Food Industry | Ingredient in food flavorings | Used as a flavoring agent to simulate natural garlic, onion, and related aromas in seasonings, ready-to-eat foods, and snacks |
| Agriculture | Intermediate for insecticides | Applied in the synthesis of organosulfur pesticides or as a precursor to active ingredients in crop protection agents |
| Pharmaceuticals | Intermediate in drug synthesis | Employed in constructing sulfur-containing heterocycles or biologically active molecules |
| Chemical Research | Reagent for organic synthesis | Utilized in thioetherification, radical reactions, or as a sulfur source in metal-catalyzed coupling reactions |
| Fragrance Industry | Component in fragrance compounding | Applied as a fixative or characteristic odorant in spicy, alliaceous fragrance formulations for food or personal care products |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative separation and detection based on retention time and peak area relative to a certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a controlled anhydrous medium. |
| Acidity (as H2SO4) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 500-600 C to volatilize organic matter, then weighing non-volatile inorganic residue. |
| Heavy Metals (as Pb) | Colorimetric Sulfide Precipitation | Reaction with hydrogen sulfide under controlled pH to form colored metal sulfide complexes for visual or spectrophotometric comparison. |
| Sulfur Content | Oxidative Combustion followed by Ion Chromatography (IC) | Complete combustion to sulfate, followed by IC separation and conductivity detection of SO4(2-). |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface at specified temperature (e.g., 20 C) using calibrated refractometer. |
| Density | Digital Density Meter | Determination of mass per unit volume via oscillating U-tube principle with temperature control. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color intensity against platinum-cobalt standard solutions or absorbance at 455 nm. |
| Distillation Range | Vacuum Distillation | Fractional distillation under reduced pressure to determine initial boiling point and dry point. |
| Non-Volatile Residue | Evaporation and Gravimetry | Evaporation of fixed volume at 105 C followed by weighing of residual material. |
| Odor Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation and identification of volatile odor-causing impurities by retention time and mass spectral fragmentation pattern. |
| Test Item | Specification |
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| 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) | 1.495–1.505 |
| Relative Density (20°C/25°C) | 0.860–0.875 g/cm³ |
| Odor | Characteristic sulfurous odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.