Diphenyl diselenide
Synonym(s):Diphenyl diselenide;Phenyl diselenide
- CAS NO.：1666-13-3
- Empirical Formula: C12H10Se2
- Molecular Weight: 312.13
- MDL number: MFCD00003001
- EINECS: 216-780-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-18 17:23:03
What is Diphenyl diselenide?
Chemical properties
yellow crystalline powder
The Uses of Diphenyl diselenide
Diphenyl diselenide is used in the methoxyselenenylation of alkenes, dihydroxylation of double bonds, hydrothiolation of terminal alkynes. It is used in the synthesis of the unsymmetrical diorganyl selenides, 1-(phenylselenomethyl)vinyl selenides, allylic phenyl selenides.
General Description
Diphenyl diselenide (Ph2Se2) is an organoselenium compound. Its crystalline structure, toxicokinetic properties, antioxidant and anti-inflammatory activities have been investigated. Its ability to reverse the oxidative brain damage and mitochondrial dysfunction induced by acetaminophen has been studied in mice. It reacts with thallium (Tl) to form TI (SePh). It participates in a four-component radical coupling to form substituted cyclopentanes.
Biochem/physiol Actions
Diphenyl diselenide inhibits δ-aminolevulinate dehydratase (δ-ALA-D) from brain, liver and kidney in vitro.
Purification Methods
Crystallise it twice from hexane [Kice & Purkiss J Org Chem 52 3448 1987]. [Beilstein 6 IV 1781.]
Properties of Diphenyl diselenide
| Melting point: | 60 °C |
| Boiling point: | 202 °C / 11mmHg |
| Density | 1.5570 |
| refractive index | 1.7430 |
| storage temp. | Store below +30°C. |
| form | Powder |
| color | yellow |
| Specific Gravity | 1.84 |
| Water Solubility | Insoluble |
| Hydrolytic Sensitivity | 8: reacts rapidly with moisture, water, protic solvents |
| BRN | 2047179 |
| Exposure limits | ACGIH: TWA 0.2 mg/m3 NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 |
| CAS DataBase Reference | 1666-13-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Diselenide, diphenyl(1666-13-3) |
| EPA Substance Registry System | Diselenide, diphenyl (1666-13-3) |
Safety information for Diphenyl diselenide
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P314:Get medical advice/attention if you feel unwell. |
Computed Descriptors for Diphenyl diselenide
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JSK Chemicals
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