3-Methylthio Propyl Isothiocyanate（CAS#505-79-3）
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. R36/38 – Irritating to eyes and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. |
| UN IDs | 2810 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29309090 |
| Hazard Class | 6.1 |
| Packing Group | III |
Introduction
3-(Methylthio)propylthioisocyanate is an organic compound commonly expressed as MTTOSI.
Properties: MTTOSI is an orange liquid, insoluble in water, soluble in common organic solvents. It has a pungent odor and has good chemical stability.
Uses: MTTOSI is often used as a reagent in organic synthesis reactions, especially in multi-component reactions and multi-step reactions. It can be used as a vulcanizing agent, adsorbent, and formylation reagent. MTTOSI can also be applied in the field of materials science.
Preparation method: The preparation of MTTOSI can be obtained by the reaction of methyl methyl thioisocyanate with vinyl thiol. For the specific preparation method, please refer to the relevant organic synthesis literature.
Safety information: MTTOSI is an organic compound and has certain toxicity to the human body. Contact with the skin and inhalation of its vapors may cause irritation and allergic reactions. Wear appropriate personal protective equipment (PPE) and avoid direct contact with the skin and inhalation of its vapours. It should be operated in a well-ventilated area and avoid use in confined spaces. In addition, MTTOSI should also be stored in a cool, dry, well-ventilated place, away from fire and oxidants.
