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: 2H-Pyran-2-one,3-ethyl-5,6-dihydro-4-(phenylethynyl)-(9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

663957-66-2

663957-66-2 structure

663957-66-2 structure

Name: 2H-Pyran-2-one,3-ethyl-5,6-dihydro-4-(phenylethynyl)-(9CI)
Chemical Name: 3-Ethyl-4-(phenylethynyl)-5,6-dihydro-2H-pyran-2-one
CAS Number: 663957-66-2
Molecular Formula: C₁₅H₁₄O₂
Molecular Weight: 226.270
Create Date: 2021-09-11 19:44:22
Modify Date: 2025-08-25 13:33:08

Names
Properties

Name	3-Ethyl-4-(phenylethynyl)-5,6-dihydro-2H-pyran-2-one
Synonyms	3-Ethyl-4-(phenylethynyl)-5,6-dihydro-2H-pyran-2-one 2H-Pyran-2-one, 3-ethyl-5,6-dihydro-4-(2-phenylethynyl)-

Density	1.1±0.1 g/cm3
Boiling Point	382.7±42.0 °C at 760 mmHg
Molecular Formula	C₁₅H₁₄O₂
Molecular Weight	226.270
Flash Point	160.8±25.3 °C
Exact Mass	226.099380
LogP	3.81
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.576

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.