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: 2-Azetidinone,1,4-dimethyl-3-(2-propynylidene)-(9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

344354-72-9

344354-72-9 structure

344354-72-9 structure

Name: 2-Azetidinone,1,4-dimethyl-3-(2-propynylidene)-(9CI)
Chemical Name: (3E)-1,4-Dimethyl-3-(2-propyn-1-ylidene)-2-azetidinone
CAS Number: 344354-72-9
Molecular Formula: C₈H₉NO
Molecular Weight: 135.163
Create Date: 2021-09-10 15:52:59
Modify Date: 2025-11-25 12:21:53

Names
Properties

Name	(3E)-1,4-Dimethyl-3-(2-propyn-1-ylidene)-2-azetidinone
Synonyms	(3E)-1,4-Dimethyl-3-(2-propyn-1-ylidene)-2-azetidinone

Density	1.2±0.1 g/cm3
Boiling Point	239.8±29.0 °C at 760 mmHg
Molecular Formula	C₈H₉NO
Molecular Weight	135.163
Flash Point	105.2±15.5 °C
Exact Mass	135.068420
LogP	0.79
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.611

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