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Product Name: Dibutyl Disulfide
CAS Number: 629-45-8
Molecular Formula: C₈H₁₈S₂
Product Category: Organosulfur compounds / Refining additives / Catalytic protectants
Dibutyl disulfide (CAS 629-45-8) is a typical organic disulfide compound widely used in the petroleum refining and chemical industries as a vulcanizing agent and catalyst protectant. This product stably releases active sulfur under high-temperature conditions, making it suitable for catalyst pre-vulcanization and effectively extending catalyst lifespan.
Simultaneously, dibutyl disulfide is also used in rubber processing, lubricant additives, and organic synthesis intermediates, favored by industrial users due to its controllable reaction and uniform sulfur release.
| Parameter | Value |
|---|---|
| Product Name | Dibutyl Disulfide |
| CAS Number | 629-45-8 |
| Molecular Formula | C8H18S2 |
| Molecular Weight | 178.36 g/mol |
| Appearance | Colorless to light yellow liquid |
| Odor | Strong sulfur odor |
| Boiling Point | ~188 °C |
| Flash Point | ~74 °C |
| Density (20°C) | ~0.99 g/cm³ |
| Solubility | Insoluble in water |
| Purity | ≥98.0% |
1️⃣ Petroleum Refining and Energy Industry
Catalyst Pre-vulcanizing Agent
Catalyst Protection in Hydrogenation Units
2️⃣ Chemical and Organic Synthesis
Organosulfur Intermediates
Specialty Chemical Synthesis
3️⃣ Rubber and Lubrication Industry
Rubber Processing Aids
Lubricating Oil Vulcanizing Additives
4️⃣ Industrial Research and Laboratories
Sulfur Reaction Research
Catalyst Performance Testing
✔ Stable and controllable release of active sulfur
✔ High purity, few reaction byproducts
✔ Suitable for various catalytic systems
✔ Mature industrial-grade application verification
✔ Batch stability, consistent quality
🔹 Focus on Organic Sulfur Chemicals Supply
🔹 Long-term Service to Refining and Energy Clients
🔹 Provides Complete COA/MSDS/TDS
🔹 Supports Technical Communication and Usage Advice
🔹 Stable Inventory, Supports Global Exports
| Item | Details |
|---|---|
| Packaging | 200 kg drum / IBC |
| Storage | Store in cool, dry and ventilated area |
| Transportation | Dangerous goods |
| Shelf Life | 24 months |
Q1: What is dibutyl disulfide used for?
A: It is mainly used as a sulfurizing agent for catalyst presulfiding in refineries.
Q2: Can DBDS release sulfur at high temperature?
A: Yes, it provides controlled sulfur release under operating conditions.
Q3: Is dibutyl disulfide water soluble?
A: No, it is insoluble in water.
Q4: Is this product flammable?
A: Yes, it has a flash point around 74°C and should be handled carefully.
Q5: Are technical documents available?
A: Yes, COA, MSDS and technical support are available upon request.
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