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Technical specifications, molecular properties, and synthesis standards for CAS 629-19-6 (Dipropyl Disulfide).
1-(Propyldisulfanyl)propane, commercially and scientifically recognized as Dipropyl Disulfide or Propyl Disulfide (CAS Registry Number: 629-19-6), is a symmetric organosulfur compound characterized by a disulfide linkage (-S-S-) bridging two propyl aliphatic chains. As a prominent member of the dialkyl disulfide family, this chemical plays a vital role across food flavoring synthesis, petrochemical sulfiding, rubber vulcanization processing, and pharmaceutical chemical synthesis.
Synthetically derived via controlled oxidation of 1-propanethiol or direct catalytic reaction of propyl halides with sodium thiosulfate/sulfur complexes, 1-(Propyldisulfanyl)propane exhibits exceptional thermal stability and characteristic organosulfur aromatic profiles essential for high-precision applications.
JIMPOCHEM enforces rigorous quality management metrics on every batch produced at our Jinan industrial facility. Below is the standardized Certificate of Analysis (COA) specification matrix for export-grade 1-(Propyldisulfanyl)propane:
| Parameter Specification | Standard Requirement | Test Method / Instrument |
|---|---|---|
| Chemical Appearance | Clear, pale yellow to colorless liquid | Visual Inspection |
| Purity (GC Assay) | ≥ 98.0% (Food Grade ≥ 99.0%) | Gas Chromatography (GC-FID) |
| Refractive Index (n20/D) | 1.495 - 1.503 | Refractometer |
| Specific Gravity (20/20°C) | 0.950 - 0.962 g/cm³ | Pycnometer / Digital Density Meter |
| Moisture Content (Karl Fischer) | ≤ 0.1% max | ASTM E203 Karl Fischer Titration |
| Boiling Point | 193.0°C - 195.0°C at 760 mmHg | Distillation Apparatus |
| Flash Point | 68.0°C (Closed Cup) | Pensky-Martens Closed Cup |
From global food flavor formulation to heavy industrial catalytic processing, discover how 1-(Propyldisulfanyl)propane creates value across sectors.
1-(Propyldisulfanyl)propane is an essential flavor constituent listed under FEMA 3228. It delivers crucial savory, roasted, and pungent Allium notes (garlic, onion, leek, and shallow meat nuances). It is widely incorporated into commercial seasonings, ready-to-eat sauces, soup bases, and savory aroma compounds, demanding ultra-high purity (≥99.0%) and zero heavy metal impurities.
In refining and petrochemical cracking operations, dialkyl disulfides serve as highly efficient presulfiding agents for hydrotreating (HDT) and hydrocracking (HDC) catalysts (such as CoMo/NiMo catalysts). 1-(Propyldisulfanyl)propane provides controlled sulfur decomposition without depositing excess carbon coke, preserving catalyst lifetime and operational thermal control.
Utilized as a sulfur donor and cross-linking modifier in specialty synthetic rubbers and elastomers. The controlled release of sulfur radicals from the cleavage of the disulfide bond enables precise vulcanization kinetics, improving elasticity, tensile strength, and heat degradation resistance in automotive components and sealants.
Serves as a building block for synthesizing organosulfur pesticides, fungicides, and nematicides. The propyl-thio reactive moiety provides targeted bio-activity profiles in crop protection formulations, helping global agricultural chemical producers formulate environmentally resilient plant protection solutions.
In API synthesis, 1-(Propyldisulfanyl)propane acts as a crucial thiol-protecting reagent or sulfurizing agent in multi-step organic synthesis, enabling modern bio-pharmaceutical research facilities to create sulfur-containing heterocyclic molecules under strictly controlled reaction kinetic parameters.
The strong chemisorption behavior of the sulfur atoms on metal surfaces allows 1-(Propyldisulfanyl)propane derivatives to act as high-temperature corrosion inhibitors in oilfield pipeline treatments and acid cleaning formulations, significantly extending heavy machinery asset life.
Why global chemical importers and multinational conglomerates select JIMPOCHEM as their designated supplier.
Headquartered in the national-level Chemical Industry Park of Jinan City, Shandong Province, JIMPOCHEM leverages direct pipeline feeds for key sulfur and alkyl raw materials. This structural proximity eliminates raw material bottleneck risks, offering unmatched price stability and volume guarantees for large-scale B2B annual procurement contracts.
Our continuous-flow oxidation reactors and automated vacuum fractional distillation columns deliver consistent quality with zero batch-to-batch variation, outperforming traditional batch-processing methods.
In strict alignment with global "Dual-Carbon" sustainability targets, JIMPOCHEM operates state-of-the-art closed-loop waste gas treatment systems (RTO oxidation) and zero-liquid-discharge (ZLD) industrial wastewater purification processes.
Purchasing 1-(Propyldisulfanyl)propane from JIMPOCHEM ensures your downstream supply chain meets Scope 3 carbon audit requirements, ISO 14001 environmental standards, and modern ESG corporate benchmarks.
Navigating complex international chemical regulations, customs clearance, and tailored packaging solutions.
Securing smooth entry into European, North American, and Asia-Pacific markets requires meticulous regulatory compliance. JIMPOCHEM supports our global enterprise partners with full documentation packages:
Depending on cargo volume and end-user facility requirements, 1-(Propyldisulfanyl)propane (CAS 629-19-6) is dispatched under UN-approved hazardous chemical packaging standards to maintain structural chemical stability during transit:
| Packaging Format | Net Weight Spec | Container / Logistics Type |
|---|---|---|
| Fluorinated HDPE Drums | 25 kg / Drum | LCL Express / Air Freight / Sample Express |
| PVF-Lined Steel Drums | 200 kg / Drum | 20ft FCL Palletized Shipping (16 MT total) |
| Intermediate Bulk Containers (IBC) | 1,000 kg / IBC Tank | FCL Maritime Ocean Shipping |
| ISO Tank Containers | 20,000 - 24,000 kg | Bulk Ocean Freight for High-Volume Refinery Use |
Strategic market analysis for procurement directors, product developers, and industrial chemical strategists.
Global environmental mandates demanding ultra-low sulfur diesel (ULSD) and low-sulfur marine fuels are expanding the consumption of specialized presulfiding agents like 1-(Propyldisulfanyl)propane. Refineries are transitioning toward organosulfur compounds with predictable decomposition profiles to optimize hydroprocessing catalysts.
With the global surge in plant-based protein formulations and gourmet convenience foods, demand for authentic savory, umami, and roasted meat flavor top-notes has reached historic highs. High-purity FEMA 3228 Propyl Disulfide is a cornerstone molecule in flavorist toolkits worldwide.
Industrial organosulfur manufacturing is shifting away from volatile hazardous catalytic routes toward continuous-flow catalytic oxidation processes. Green chemistry adoption reduces byproduct waste while increasing isomer purity to ≥99.5% for high-end applications.
Expert answers regarding 1-(Propyldisulfanyl)propane sourcing, testing, handling, and application mechanics.
Discover complementary chemical building blocks and specialized industrial raw materials from JIMPOCHEM.
JIMPOCHEM CO., LTD was established in 2010 and is headquartered in the Chemical Industry Park of Jinan City, Shandong Province. Spanning over 500 acres of modernized chemical infrastructure, our company is a professional chemical raw material manufacturer integrating advanced R&D, continuous synthesis production, global commercialization, and technical engineering services.
Our core focus encompasses high-end fine organic chemicals, organosulfur derivatives, fluorinated compounds, and cosmetic raw materials. With ISO 9001 quality system certification and ISO 14001 environmental management system accreditation, JIMPOCHEM provides seamless procurement solutions to clients across 200+ countries.
To become a leading global provider of chemical solutions, driving technological innovation, supply stability, and green chemistry development across the international chemical supply chain.
Serving over 5,000 international enterprises with zero quality defect compromise.
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