Diethyldiselenide is an organic compound with the formula C₄H₁₀Se₂, and its systematic name is the same with the product name. With the CAS registry number 628-39-7, it is also named as Diselenide, diethyl. It belongs to the product category of Organoselenides. Its EINECS number is 211-042-6. In addition, the molecular weight is 216.04. Its classification code is Skin / Eye Irritant. This chemical should be sealed and stored below the temperature of 5 °C. Moreover, it should be protected from oxides.

Physical properties of Diethyldiselenide are: (1)ACD/LogP: 3.22; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.22; (4)ACD/LogD (pH 7.4): 3.22; (5)ACD/BCF (pH 5.5): 164.89; (6)ACD/BCF (pH 7.4): 164.89; (7)ACD/KOC (pH 5.5): 1344.87; (8)ACD/KOC (pH 7.4): 1344.87; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Flash Point: 74.252 °C; (13)Enthalpy of Vaporization: 41.757 kJ/mol; (14)Boiling Point: 199.164 °C at 760 mmHg; (15)Vapour Pressure: 0.49 mmHg at 25°C.

Preparation of Diethyldiselenide: this chemical can be prepared by bromoethane at the temperature of 50 °C. This reaction will need reagent Na₂Se₂ and solvent dimethylformamide with the reaction time of 30 min. The yield is about 88%.

Uses of Diethyldiselenide: it can be used to produce 3-ethylselanyl-propene at the temperature of 50 °C. It will need reagents ytterbium powder, TMSCl and solvent tetrahydrofuran with the reaction time of 2 hours. The yield is about 60%.

When you are using this chemical, please be cautious about it as the following:
This chemical is toxic by inhalation and if swallowed. It is very toxic to aquatic organisms as it may cause long-term adverse effects in the aquatic environment. This substance has a danger of cumulative effects. When using it, you must not eat, drink or smoke. After contact with skin, you need to wash immediately with plenty of ... (to be specified by the manufacturer). In case of accident or if you feel unwell, you should seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: [Se]([Se]CC)CC
(2)Std. InChI: InChI=1S/C4H10Se2/c1-3-5-6-4-2/h3-4H2,1-2H3
(3)Std. InChIKey: OMAWWKIPXLIPDE-UHFFFAOYSA-N

The toxicity data is as follows: