Diphenyl diselenide
Also known as: Phenyl diselenide, 1,2-Diphenyldiselane, Bis(phenylselenide), Diphenyldiselane, Diselane, 1,2-diphenyl-, Diselenide, diphenyl, PhSeSePh, (phenyldiselanyl)benzene
Diphenyl diselenide (CAS 1666-13-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H10Se2 and a molecular weight of 312.128 g/mol. Key properties include a melting point of 60-63ºC, a boiling point of 377.3±25.0 °C at 760 mmHg and a flash point of 182.0±23.2 °C. It is listed by 1 supplier, from 6.80 to 196.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 1666-13-3
- Jingsj CID
- J-78397-4
- Molecular Formula
- C12H10Se2
- Molecular Weight
- 312.128 g/mol
- Category
- Ethers
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 99% 100g | ¥680.00 | $1.02 /gBest ¥6.80/g CNY | CN China MOQ 25g | |
In Stock | 98% 500g | ¥4,000.00 | $1.2 /g ¥8.00/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥1,000.00 | $1.5 /g ¥10.00/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Melting Point | 60-63ºC |
|---|---|
| Boiling Point | 377.3±25.0 °C at 760 mmHg |
| Flash Point | 182.0±23.2 °C |
| Exact Mass | 313.911285 |
| LogP | 5.91 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Additional Property | Insoluble |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diphenyl diselenide?
The CAS number of Diphenyl diselenide is 1666-13-3.
What are the molecular formula and molecular weight of Diphenyl diselenide?
Diphenyl diselenide has molecular formula C12H10Se2 and molecular weight 312.128 g/mol.
Which suppliers offer Diphenyl diselenide?
1 supplier(s) listed; reference unit price ¥6.80–196.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenyl diselenide (CAS 1666-13-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-78397-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.