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ChemicalBook >> CAS DataBase List >> WOOLLINS' REAGENT

WOOLLINS' REAGENT

$17 - $2635
Product name: WOOLLINS' REAGENT
CAS: 122039-27-4
MF: C12H10P2Se4
MW: 532
EINECS:
MDL Number:MFCD04041197
Synonyms: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

Price25 Properties Safety Information Description

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Brand

aablocks
ACHEMBLOCK
Adipogen Life Sciences
Arctom
Biosynth
Chem-Impex
Matrix Scientific
Sigma-Aldrich

Package

0.1g
100mg
250.00mg
0.25g
250mg
1.00g
1g
5.00g
5g
10g
25g
100g

Manufactureraablocks
Product numberAA0016L0
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%
Packaging100mg
Price$20
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0016L0
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%
Packaging250mg
Price$27
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0016L0
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%
Packaging1g
Price$54
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0016L0
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%
Packaging5g
Price$225
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0016L0
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%
Packaging10g
Price$387
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0016L0
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%
Packaging25g
Price$895
Updated2026-05-28
Buy

ManufacturerACHEMBLOCK
Product numberV150315
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 98%
Packaging25G
Price$1040
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberV150315
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 98%
Packaging5G
Price$295
Updated2026-05-27
Buy

ManufacturerAdipogen Life Sciences
Product numberCDX-W0019-G005
Product descriptionWoollins' Reagent ≥95%(NMR)
Packaging5g
Price$300
Updated2026-05-06
Buy

ManufacturerAdipogen Life Sciences
Product numberCDX-W0019-G001
Product descriptionWoollins' Reagent ≥95%(NMR)
Packaging1g
Price$75
Updated2026-05-06
Buy

ManufacturerArctom
Product numberSY292847
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%
Packaging25g
Price$761
Updated2026-05-26
Buy

ManufacturerArctom
Product numberSY292847
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%
Packaging100g
Price$2635
Updated2026-05-26
Buy

ManufacturerArctom
Product numberSY292847
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%
Packaging10g
Price$366
Updated2026-05-26
Buy

ManufacturerArctom
Product numberSY292847
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%
Packaging0.1g
Price$17
Updated2026-05-26
Buy

ManufacturerArctom
Product numberSY292847
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%
Packaging5g
Price$213
Updated2026-05-26
Buy

ManufacturerArctom
Product numberSY292847
Product description2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%
Packaging1g
Price$51
Updated2026-05-26
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA0016L0	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%	100mg	$20	2026-05-28	Buy
aablocks	AA0016L0	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%	250mg	$27	2026-05-28	Buy
aablocks	AA0016L0	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%	1g	$54	2026-05-28	Buy
aablocks	AA0016L0	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%	5g	$225	2026-05-28	Buy
aablocks	AA0016L0	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 97%	10g	$387	2026-05-28	Buy
aablocks	AA0016L0	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%	25g	$895	2026-05-28	Buy
ACHEMBLOCK	V150315	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 98%	25G	$1040	2026-05-27	Buy
ACHEMBLOCK	V150315	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide 98%	5G	$295	2026-05-27	Buy
Adipogen Life Sciences	CDX-W0019-G005	Woollins' Reagent ≥95%(NMR)	5g	$300	2026-05-06	Buy
Adipogen Life Sciences	CDX-W0019-G001	Woollins' Reagent ≥95%(NMR)	1g	$75	2026-05-06	Buy
Arctom	SY292847	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%	25g	$761	2026-05-26	Buy
Arctom	SY292847	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%	100g	$2635	2026-05-26	Buy
Arctom	SY292847	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%	10g	$366	2026-05-26	Buy
Arctom	SY292847	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%	0.1g	$17	2026-05-26	Buy
Arctom	SY292847	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%	5g	$213	2026-05-26	Buy
Arctom	SY292847	2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-Diselenide >97%	1g	$51	2026-05-26	Buy

Next Last

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

Safety Information

Symbol(GHS):

Signal word:

Danger

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning
H373	May cause damage to organs through prolonged or repeated exposure	Specific target organ toxicity, repeated exposure	Category 2	Warning	P260, P314, P501
H410	Very toxic to aquatic life with long lasting effects	Hazardous to the aquatic environment, long-term hazard	Category 1	Warning	P273, P391, P501

Precautionary statements:

P260	Do not breathe dust/fume/gas/mist/vapours/spray.
P273	Avoid release to the environment.
P301+P310	IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P314	Get medical advice/attention if you feel unwell.

Description

Woollins' Reagent is a reagent involved in reactions with benzoic hydrazides to yield spiro heterocycles, secondary amines, aromatic diols to yield 10-membered phosphorus-selenium heterocycles, and ring-opening deselenation and phosphorus-phosphorus coupling.

Suppliers and manufacturers

Accela ChemBio Inc.

Fuxin Pharmaceutical

Aladdin Scientific

Chongqing jooe co., ltd Energy Chemical Adamas Reagent, Ltd. Shanghai Hanhong Scientific Co.,Ltd. Shandong Xiya Chemical Co., Ltd Bide Pharmatech Ltd. Shanghai Macklin Biochemical Co.,Ltd.

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WOOLLINS' REAGENT

Properties

Safety Information

Description

Suppliers and manufacturers