Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Diphenyl[3-[(tetrahydro-2H-pyran-2-yl)oxy]propyl]phosphine Oxide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

503817-58-1

503817-58-1 structure

503817-58-1 structure

Name: Diphenyl[3-[(tetrahydro-2H-pyran-2-yl)oxy]propyl]phosphine Oxide
Chemical Name: Diphenyl[3-(tetrahydro-2H-pyran-2-yloxy)propyl]phosphine oxide
CAS Number: 503817-58-1
Molecular Formula: C₂₀H₂₅O₃P
Molecular Weight: 344.384
Create Date: 2021-09-12 06:37:55
Modify Date: 2025-08-25 11:01:31

Names
Properties

Name	Diphenyl[3-(tetrahydro-2H-pyran-2-yloxy)propyl]phosphine oxide
Synonyms	Diphenyl[3-(tetrahydro-2H-pyran-2-yloxy)propyl]phosphine oxide Phosphorane, diphenyl[3-[(tetrahydro-2H-pyran-2-yl)oxy]propyl]-, oxide

Density	1.1±0.1 g/cm3
Boiling Point	471.4±40.0 °C at 760 mmHg
Molecular Formula	C₂₀H₂₅O₃P
Molecular Weight	344.384
Flash Point	252.1±47.7 °C
Exact Mass	344.154144
LogP	2.21
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.556

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