1-Butanethiol（CAS#109-79-5）
| Risk Codes | R11 – Highly Flammable R20/22 – Harmful by inhalation and if swallowed. R36/37/38 – Irritating to eyes, respiratory system and skin. R21/22 – Harmful in contact with skin and if swallowed. R43 – May cause sensitization by skin contact |
| Safety Description | S16 – Keep away from sources of ignition. S23 – Do not breathe vapour. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S9 – Keep container in a well-ventilated place. S36/37 – Wear suitable protective clothing and gloves. S33 – Take precautionary measures against static discharges. S37 – Wear suitable gloves. S37/39 – Wear suitable gloves and eye/face protection |
| UN IDs | UN 2347 3/PG 2 |
| WGK Germany | 3 |
| RTECS | EK6300000 |
| FLUKA BRAND F CODES | 10-13-23 |
| TSCA | Yes |
| HS Code | 2930 90 98 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 1500 mg/kg |
Introduction
Butyl mercaptan is an organic compound. The following is an introduction to its nature, use, manufacturing methods and safety information:
Quality:
- Appearance: Butyl mercaptan is a colorless to light yellow liquid with a strong foul-smelling odor.
- Solubility: Butyl mercaptan can dissolve with water, alcohols and ethers, and react with acidic and alkaline substances.
- Stability: Butyl mercaptan is stable in air, but reacts with oxygen to form sulfur oxides.
Use:
- Chemical reagents: Butyl mercaptan can be used as a commonly used vulcanizing agent and is often used in organic synthesis reactions.
Method:
There are several ways to prepare butyl mercaptan, including the following two common methods:
- Addition of ethylene to sulfur: By reacting ethylene with sulfur, butyl mercaptan can be prepared by controlling the reaction temperature and reaction time.
- Sulfation reaction of butanol: butanol can be obtained by reacting butanol with hydrogen sulfide or sodium sulfide.
Safety Information:
- Highly volatile: Butyl mercaptan has a high volatility and pungent odor, and inhalation of high concentrations of gases should be avoided.
- Irritation: Butyl mercaptan has an irritating effect on the skin, eyes and respiratory tract, so it should be rinsed with water in time after contact, and contact or inhalation of high concentrations of gases should be avoided.
- Toxicity: Butyl mercaptan can have toxic effects on the human body at high concentrations, and attention should be paid to the safety of its use and storage.
When using butyl mercaptan, the safe handling procedures of the relevant chemicals should be followed and appropriate protective equipment such as gloves, goggles and protective clothing should be provided.
