(1S 2S)-(-)-1 2-Diphenyl-1 2-ethanediamine（CAS# 29841-69-8)
| Hazard Symbols | C – Corrosive |
| Risk Codes | R34 – Causes burns |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN3259 |
Introduction
(1S,2S)-1,2-diphenylethylenediamine, also known as (1S,2S)-1,2-diphenyl-1,2-ethanediamine, is an organic amine compound. The following is an introduction to its properties, uses, preparation methods and safety:
Quality:
Appearance: White crystalline powder
Solubility: soluble in alcohols, ethers and ketones, insoluble in water
Molecular Formula: C14H16N2
Molecular weight: 212.29 g/mol
Uses: (1S,2S)-1,2-diphenylethylenediamine has a wide range of applications in the chemical and pharmaceutical industries:
Chiral ligand: It acts as a chiral ligand and can be used to catalyze asymmetric synthesis, especially for the synthesis of chiral organic molecules.
Dye synthesis: It can be used as an intermediate in the synthesis of organic dyes.
Copper-nickel alloy coating: It can also be used as an additive in the preparation of copper-nickel alloy coatings.
Method: (1S,2S)-1,2-diphenylethylenediamine can be synthesized by the following steps:
Sulfoxide chloride and phenylformaldehyde are added to ethylene glycol dimethyl ether to form diphenyl methanol.
Diphenylmethanol is reacted with triethylamine in acetonitrile to generate (1S,2S)-1,2-diphenylethylenediamine.
Safety: The use of (1S,2S)-1,2-diphenylethylenediamine is relatively safe when properly handled and stored. However, as any chemical, it still needs to follow proper laboratory safety operating procedures. Avoid contact with skin and eyes, and avoid inhalation or swallowing. Protective gloves and goggles should be worn when in use, and operated in a well-ventilated environment. In case of accidental exposure or inhalation, seek medical attention and provide information about the chemical.
