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Safety Information

572543

Sigma-Aldrich

Woollins′ Reagent

Synonym(s):

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

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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

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


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Poisonous substance

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

572543-VAR:
572543-1G:4548173171289
572543-BULK:


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