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-[4-(acetyloxy)butylidene]- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

657428-81-4

657428-81-4 structure

657428-81-4 structure

Name: Cyclopentanone, 2-[4-(acetyloxy)butylidene]- (9CI)
Chemical Name: (4Z)-4-(2-Oxocyclopentylidene)butyl acetate
CAS Number: 657428-81-4
Molecular Formula: C₁₁H₁₆O₃
Molecular Weight: 196.243
Create Date: 2021-09-13 13:19:47
Modify Date: 2025-09-25 19:21:47

Names
Properties

Name	(4Z)-4-(2-Oxocyclopentylidene)butyl acetate
Synonyms	(4Z)-4-(2-Oxocyclopentylidene)butyl acetate Cyclopentanone, 2-[4-(acetyloxy)butylidene]-, (2Z)-

Density	1.1±0.1 g/cm3
Boiling Point	272.3±19.0 °C at 760 mmHg
Molecular Formula	C₁₁H₁₆O₃
Molecular Weight	196.243
Flash Point	114.6±21.5 °C
Exact Mass	196.109940
LogP	0.75
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.545

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