3-Methylthiopropanol (CAS 505-10-2) Technical Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Specification | Competitor A | Competitor B |
|---|---|---|---|
| CAS Number | 505-10-2 | 505-10-2 | 505-10-2 |
| Molecular Formula | C4H10OS | C4H10OS | C4H10OS |
| Purity | ≥99% | ≥98% | ≥97.5% |
| Packaging | 25 kg/drum | 1 kg/bottle | 170 kg/drum |
| Boiling Point | 189.3°C (760 mmHg) | 93-94°C (22.7 mmHg) | 195°C |
2. Applications & Functional Properties
Key Applications:
- Food Flavoring: Approved under GB 2760-1996 as a temporary food flavor enhancer. Imparts meat-like, onion, or soy sauce aromas at low concentrations (0.05-0.1 mg/kg).
- LPG Odorant: Added in ppm levels to liquefied petroleum gas for leak detection.
- Chemical Intermediate: Used in synthesis of specialty chemicals.
Regulatory Compliance:
Japanese Food Additive Regulations restrict usage strictly to flavoring purposes.
3. Industry Use Cases
Case 1: Savory Sauce Production
A leading condiment manufacturer achieved 30% flavor intensity enhancement in soy sauce formulations using 0.08 ppm 3-methylthiopropanol.
Case 2: Premium Meat Analogues
Plant-based protein company utilized 0.12 ppm concentration to replicate authentic roasted meat notes in vegan products.
4. Client Success Stories
Client A: Wuhan Yuanyue Bio-Tech
Annual consumption: 8 MT. Used in:
- Custom flavor systems for instant noodles
- Low-sodium seasoning blends
Client B: Shanghai Meixin Aromatics
5-year partnership. Applications include:
- High-end culinary flavor concentrates
- Food-grade gas odorant solutions
5. Technical Inquiry & Ordering
Request formulation guidance or bulk pricing:
- Email: info@vivalr.com
- Tel: (86) 15866781826
Custom packaging available (1kg to 170kg). GMP-compliant manufacturing.



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