Skip to Content
Merck
All Photos(2)

Documents

572543

Sigma-Aldrich

Woollins′ Reagent

Synonym(s):

2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C12H10P2Se4
CAS Number:
Molecular Weight:
532.00
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22

form

solid

Quality Level

mp

206-210 °C (lit.)

storage temp.

2-8°C

SMILES string

[Se]=P1([Se]P(=[Se])([Se]1)c2ccccc2)c3ccccc3

InChI

1S/C12H10P2Se4/c15-13(11-7-3-1-4-8-11)17-14(16,18-13)12-9-5-2-6-10-12/h1-10H

InChI key

GKYFQRQKPYPLGJ-UHFFFAOYSA-N

Application

Reagent involved in reactions with:
  • Benzoic hydrazides to yield spiro heterocycles
  • Secondary amines
  • Aromatic diols to yield 10-membered phosphorus-selenium heterocycles

Reagent involved in ring-opening, deselenation and phosphorus-phosphorus coupling

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service