Diphenyl diselenide, 98%

Name: Diphenyl diselenide, 98%
Brand: Vaqora Chemicals
SKU: VQ-011429

About Diphenyl diselenide, 98%

Diphenyl diselenide (CAS 1666-13-3) is an organic building block offered by Vaqora Chemicals in Synthesis grade, specified at 98% purity. The compound has the formula C12H10Se2, corresponding to a molecular weight of 312.1 g/mol. Systematically, it is named (phenyldiselanyl)benzene. Alternative names: Phenyl diselenide and Diselenide, diphenyl.

In its supplied form it is faint yellow to dark yellow to orange powder or chunks. Reported physical data include a melting point of 59-61 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 5 g, 25 g, 100 g and 1 kg packs, Diphenyl diselenide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Diphenyl diselenide, 98%
Catalogue No.	VQ-011429
CAS Number	1666-13-3
IUPAC name	(phenyldiselanyl)benzene
Molecular formula	C₁₂H₁₀Se₂
Molecular weight	312.1 g/mol
Exact mass	313.9113
Grade	Synthesis
Purity / assay	98%
HSN code	29319090
InChIKey	YWWZCHLUQSHMCL-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)[Se][Se]C2=CC=CC=C2
PubChem CID	15460

Physical properties
Physical form	Powder
Appearance	Faint yellow to dark yellow to orange powder or chunks
Melting point	59-61 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
UN number	UN 3283
Synonyms	Phenyl Diselenide, Diselenide, diphenyl, 1,2-Diphenyldiselane, Diphenyldiselenide, Bis(phenylselenide), diphenyldiselane, (Phenyldiselanyl)benzene, diohenyl diselenide, Diphenyl Diselenide1, 1,2-Diphenyldiselane #, Diphenyl diselenide, 98%, 1,2-diphenyl-1,2-diselenaethane

Safety & hazard information (GHS)

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H331Toxic if inhaled
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P316, P319, P321, P330, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Diphenyl diselenide, 98%?

The CAS Registry Number of Diphenyl diselenide, 98% is 1666-13-3. It is also known as Phenyl Diselenide, Diselenide, diphenyl, 1,2-Diphenyldiselane.

What is the molecular formula and molecular weight of Diphenyl diselenide, 98%?

Diphenyl diselenide, 98% has the molecular formula C12H10Se2 and a molecular weight of 312.1 g/mol. Its IUPAC name is (phenyldiselanyl)benzene.

Which grade and pack sizes of Diphenyl diselenide, 98% can I order?

We supply Diphenyl diselenide, 98% in Synthesis (98%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Diphenyl diselenide, 98%?

Yes. Every lot of Diphenyl diselenide, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Diphenyl diselenide, 98% be shipped internationally?

Yes. Diphenyl diselenide, 98% is classified as hazardous (UN 3283), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.