2,2′-Dithiodipyridine(CAS#2127-03-9)
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R37 – Irritating to the respiratory system R20/22 – Harmful by inhalation and if swallowed. |
| Safety Description | S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S37/39 – Wear suitable gloves and eye/face protection S25 – Avoid contact with eyes. S22 – Do not breathe dust. S36 – Wear suitable protective clothing. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 3335 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-23 |
| TSCA | Yes |
| HS Code | 29333990 |
| Hazard Note | Irritant |
Introduction
2,2′-Dipyridine disulfide (DPD) is an organic compound. It is a yellow solid that is insoluble in water at room temperature, but soluble in organic solvents such as ethanol and methylene chloride. DPD has a wide range of applications. It can act as a complexing agent to form stable complexes with transition metals. These complexes are commonly used in photocatalysis, catalysts, and the preparation of fluorescent probes. There are several ways to prepare DPD. A common method is to obtain DPD by reacting pyridine and sulfur powder in a nitrogen atmosphere. The reaction conditions can be carried out at atmospheric pressure, but the results will be better if carried out at low temperatures or under the protection of inert gases. Safety information for DPD: It is a combustible material, so avoid contact with open flames and high temperatures. Protective gloves and glasses should be worn during operation, and good ventilation conditions should be maintained. In case of contact with skin or eyes, rinse immediately with plenty of water. When storing DPD, it should be sealed and kept away from fire and oxidants.
