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: Cyclopentanone, 2-[(1-methyl-2-piperidinyl)methylene]-, (2E)- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

639821-18-4

639821-18-4 structure

639821-18-4 structure

Name: Cyclopentanone, 2-[(1-methyl-2-piperidinyl)methylene]-, (2E)- (9CI)
Chemical Name: (2E)-2-[(1-Methyl-2-piperidinyl)methylene]cyclopentanone
CAS Number: 639821-18-4
Molecular Formula: C₁₂H₁₉NO
Molecular Weight: 193.285
Create Date: 2021-09-09 07:13:17
Modify Date: 2025-08-25 08:56:59

Names
Properties

Name	(2E)-2-[(1-Methyl-2-piperidinyl)methylene]cyclopentanone
Synonyms	Cyclopentanone, 2-[(1-methyl-2-piperidinyl)methylene]-, (2E)- (2E)-2-[(1-Methyl-2-piperidinyl)methylene]cyclopentanone

Density	1.1±0.1 g/cm3
Boiling Point	302.8±41.0 °C at 760 mmHg
Molecular Formula	C₁₂H₁₉NO
Molecular Weight	193.285
Flash Point	108.5±17.0 °C
Exact Mass	193.146667
LogP	1.40
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.582

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