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Di-t-butylphosphine oxide

CAS No.
684-19-5
Chemical Name:
Di-t-butylphosphine oxide
Synonyms
DI-TERT-BUTYLPHOSPHINE OXIDE;Di-t-butylphosphine oxide;Di-t-butylphosphineoxide,98%;ditert-butyl(oxo)phosphanium;Di-tert-butylphosphine oxide;Bis(1,1-dimethylethyl)phosphine oxide;Phosphine oxide, bis(1,1-dimethylethyl)-;2-tert-Butylphosphinoyl-2-methyl-propane
CBNumber:
CB9101256
Molecular Formula:
C8H19OP
Molecular Weight:
162.21
MDL Number:
MFCD00460156
MOL File:
684-19-5.mol
MSDS File:
SDS
Last updated:2026-09-12 18:55:54

Di-t-butylphosphine oxide Properties

Melting point 74-82°C
Boiling point 112 °C(Press: 9 Torr)
form crystal
color white
Stability hygroscopic
InChI 1S/C8H19OP/c1-7(2,3)10(9)8(4,5)6/h10H,1-6H3
InChIKey RYLNFGJYRKJXQE-UHFFFAOYSA-N
SMILES CC(C)(C)[PH](=O)C(C)(C)C
UNSPSC Code 12352001
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)
GHS02
Signal word  Warning
Hazard statements  H228
Precautionary statements  P210-P240-P241-P280-P370+P378
Hazard Codes  F
Risk Statements  36/37/38-11
Safety Statements  26-36/37/39
RIDADR  UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., HI: all
WGK Germany  3
Storage Class 4.1B - Flammable solid hazardous materials
Hazard Classifications Flam. Sol. 2

Di-t-butylphosphine oxide price More Price(11)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 734071 Di-tert-butylphosphine oxide 684-19-5 250mg $109 2026-04-30 Buy
Sigma-Aldrich 734071 Di-tert-butylphosphine oxide 684-19-5 1g $274 2026-04-30 Buy
Strem Chemicals 15-1041 Di-t-butylphosphine oxide, 98% 98% 684-19-5 250mg $77 2026-04-30 Buy
Strem Chemicals 15-1041 Di-t-butylphosphine oxide, 98% 98% 684-19-5 1g $234 2026-04-30 Buy
aablocks AA003PP8 Di-tert-butylphosphine oxide ≥98% 684-19-5 100mg $54 2026-05-28 Buy
Product number Packaging Price Buy
734071 250mg $109 Buy
734071 1g $274 Buy
15-1041 250mg $77 Buy
15-1041 1g $234 Buy
AA003PP8 100mg $54 Buy

Di-t-butylphosphine oxide Chemical Properties,Uses,Production

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling

Di-t-butylphosphine oxide Preparation Products And Raw materials

Di-t-butylphosphine oxide Suppliers

Global( 36)Suppliers
Supplier Tel Email Country ProdList Advantage
Shanghai Hanlin biology science and technology co., ltd 183-0212-4410 18302124410 Djt18302124410@163.com China 2698 58
Henan Research New Material Co., Ltd. 86-18903931531 18903931628 sales036@researchvip.com China 180 58
Linyi Californium Information Technology Co., Ltd. 13188735557 693256217@qq.com China 212 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Shanghai Yihe Biological Technology Co., Ltd. 021-68882955 17721395025 2423903095@qq.com China 4999 58
Combiphos (Shanghai) Biological Technology Co., Ltd. 021-65232103 17602124823 combiphos@vip.qq.com China 30000 58
2-tert-Butylphosphinoyl-2-methyl-propane ditert-butyl(oxo)phosphanium Di-t-butylphosphineoxide,98% Bis(1,1-dimethylethyl)phosphine oxide Phosphine oxide, bis(1,1-dimethylethyl)- Di-tert-butylphosphine oxide DI-TERT-BUTYLPHOSPHINE OXIDE Di-t-butylphosphine oxide 684-19-5 C4H92POH C8H19OP organophosphine compound