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ChemicalBook >> CAS DataBase List >>WOOLLINS' REAGENT

WOOLLINS' REAGENT

CAS No.
122039-27-4
Chemical Name:
WOOLLINS' REAGENT
Synonyms
2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide;1,3,2,4-Diselenadiphosphetane, 2,4-diphenyl-, 2,4-diselenide;Woollins' Reagent;2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide;2,4-diphenyl-2,4-bis(selanylidene)-1,3,2λsup5sup,4λsup5sup-diselenadiphosphetane
CBNumber:
CB2498593
Molecular Formula:
C12H10P2Se4
Molecular Weight:
532
MDL Number:
MFCD04041197
MOL File:
122039-27-4.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 00:35:03
Product description Number Pack Size Price
Woollins’ Reagent 572543 1g $98.5
2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide FD181350 1g $389.4
2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide FD181350 5g $1038.4
2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-diselenide 299306 250.00mg $65
2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-diselenide 299306 1.00g $104

WOOLLINS' REAGENT Properties

Melting point 206-210 °C (lit.)
Boiling point 530.8±33.0 °C(Predicted)
storage temp. 2-8°C
form solid
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
InChIKey GKYFQRQKPYPLGJ-UHFFFAOYSA-N
SMILES [Se]=P1([Se]P(=[Se])([Se]1)c2ccccc2)c3ccccc3
FDA UNII 75551CT912
UNSPSC Code 12352005
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H301+H331-H315-H335-H373-H410
Precautionary statements  P260-P273-P301+P310-P302+P352-P304+P340+P311-P314
target organs Respiratory system
Hazard Codes  T,N
Risk Statements  23/25-33-50/53
Safety Statements  20/21-28-45-60-61
RIDADR  UN 3283 6.1/PG 3
WGK Germany  3
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
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

WOOLLINS' REAGENT price More Price(25)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 572543 Woollins’ Reagent 122039-27-4 1g $98.5 2026-04-30 Buy
Biosynth FD181350 2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide 122039-27-4 1g $389.4 2026-06-04 Buy
Biosynth FD181350 2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide 122039-27-4 5g $1038.4 2026-06-04 Buy
Matrix Scientific 299306 2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-diselenide 122039-27-4 250.00mg $65 2026-05-19 Buy
Matrix Scientific 299306 2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-diselenide 122039-27-4 1.00g $104 2026-05-19 Buy
Product number Packaging Price Buy
572543 1g $98.5 Buy
FD181350 1g $389.4 Buy
FD181350 5g $1038.4 Buy
299306 250.00mg $65 Buy
299306 1.00g $104 Buy

WOOLLINS' REAGENT Chemical Properties,Uses,Production

Uses

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

Uses

Selenium transfer reagent.

3376-52-1
122039-27-4
Synthesis of WOOLLINS' REAGENT from 1,2,3,4,5-Pentaphenyl-1,2,3,4,5-pentaphosphacyclopentane

WOOLLINS' REAGENT Preparation Products And Raw materials

Raw materials

Preparation Products

WOOLLINS' REAGENT Suppliers

Global( 45)Suppliers
Supplier Tel Email Country ProdList Advantage
Accela ChemBio Inc.
+1-858-6993322 info@accelachem.com United States 21193 58
Fuxin Pharmaceutical
+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 9976 58
Aladdin Scientific
tp@aladdinsci.com United States 57505 58
Chongqing jooe co., ltd
+undefined86-15223382610 info@jooe.com China 15971 58
Energy Chemical 021-021-58432009 400-005-6266 sales8178@energy-chemical.com China 44878 61
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14100 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42934 64
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18728 57
Bide Pharmatech Ltd. 400-400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Shanghai Macklin Biochemical Co.,Ltd. 15221275939 15221275939 shenlinxing@macklin.cn China 15781 55

WOOLLINS' REAGENT Spectrum

2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide 2,4-diphenyl-2,4-bis(selanylidene)-1,3,2λsup5sup,4λsup5sup-diselenadiphosphetane Woollins' Reagent 1,3,2,4-Diselenadiphosphetane, 2,4-diphenyl-, 2,4-diselenide 2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 122039-27-4 C12H10P2Se4 C-Se Bond Formation C-X Bond Formation (Non-Halogen) Synthetic Reagents
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