Allyl Mercaptan (CAS 870-23-5): Technical Overview and Applications
Table of Contents
1. Chemical Profile and Specifications
| Parameter | Value |
|---|---|
| CAS Number | 870-23-5 |
| Molecular Formula | C3H6S |
| Molecular Weight | 74.14 g/mol |
| Physical State | Colorless to pale yellow liquid |
| Odor | Pungent garlic-like aroma |
| Boiling Point | 67-68°C |
| Flash Point | 21°C (closed cup) |
| Density | 0.92 g/cm3 |
| Solubility | Miscible with ethanol, ether; insoluble in water |
2. Industrial Applications
This reactive organosulfur compound serves critical functions in multiple sectors:
- Flavor Industry: FDA-approved food additive (FEMA 2035) for replicating allium flavors
- Polymer Production: Key intermediate in vulcanization accelerators for synthetic rubber
- Pharmaceutical Synthesis: Building block for sulfur-containing drug molecules
- Organic Chemistry: Versatile thiol reagent for Michael additions and thiol-ene reactions
3. Operational Guidelines
Storage Requirements:
- Maintain under nitrogen atmosphere at 2-8°C
- Use amber glass containers with PTFE-lined caps
- Maximum storage duration: 6 months post-opening
Handling Precautions:
- Mandatory PPE: Neoprene gloves, chemical goggles, A/P respirator
- Ground all equipment to prevent static discharge
- Limit workplace concentration to <0.5 ppm (8-hour TWA)
4. Safety Protocols
Emergency Response:
| Exposure Route | First Aid Measures |
|---|---|
| Inhalation | Immediate evacuation to fresh air; administer oxygen if needed |
| Dermal Contact | Flush with 5% sodium bicarbonate solution for 15 minutes |
| Ocular Exposure | Irrigate with saline solution for 20 minutes |
| Ingestion | Do NOT induce vomiting; administer activated charcoal |
Fire Suppression: Use alcohol-resistant foam, dry chemical, or CO2 extinguishers
5. Case Studies
Case 1: Flavor Enhancement in Savory Products
A European food manufacturer achieved 40% cost reduction in onion-flavored snacks using 50 ppm Allyl Mercaptan in combination with thermal processing optimization.
Case 2: Specialty Rubber Development
Japanese tire company improved vulcanization efficiency by 18% through controlled addition of Allyl Mercaptan derivatives in nitrile rubber formulations.
6. Regulatory Compliance
- UN Proper Shipping Name: Flammable liquid, n.o.s. (Allyl mercaptan)
- Hazard Class: 3
- Packing Group: II
- OSHA Hazard Communication Standard: 29 CFR 1910.1200
- REACH Registration Number: 01-2119558872-38-XXXX
7. Contact Information
For technical specifications, SDS documents, or bulk purchasing inquiries:
Email: info@vivalr.com
Tel: (86) 15866781826



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