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: Pyridine, 2,3-diethynyl- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

216979-52-1

216979-52-1 structure

216979-52-1 structure

Name: Pyridine, 2,3-diethynyl- (9CI)
Chemical Name: diethynylpyridine
CAS Number: 216979-52-1
Molecular Formula: C₉H₅N
Molecular Weight: 127.143
Create Date: 2018-06-30 03:23:26
Modify Date: 2025-09-21 15:36:50

Names
Properties

Name	diethynylpyridine
Synonyms	diethynylpyridine Pyridine, 2,3-diethynyl- MFCD28164156

Density	1.1±0.1 g/cm3
Boiling Point	226.4±25.0 °C at 760 mmHg
Molecular Formula	C₉H₅N
Molecular Weight	127.143
Flash Point	89.4±15.8 °C
Exact Mass	127.042198
LogP	1.09
Vapour Pressure	0.1±0.4 mmHg at 25°C
Index of Refraction	1.570

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