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-Cyclopentene-1-acetaldehyde, 5-ethylidene-4-hydroxy-, (5Z)- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

657390-28-8

657390-28-8 structure

657390-28-8 structure

Name: 2-Cyclopentene-1-acetaldehyde, 5-ethylidene-4-hydroxy-, (5Z)- (9CI)
Chemical Name: [(5Z)-5-Ethylidene-4-hydroxy-2-cyclopenten-1-yl]acetaldehyde
CAS Number: 657390-28-8
Molecular Formula: C₉H₁₂O₂
Molecular Weight: 152.190
Create Date: 2021-10-01 13:17:20
Modify Date: 2025-09-11 10:57:19

Names
Properties

Name	[(5Z)-5-Ethylidene-4-hydroxy-2-cyclopenten-1-yl]acetaldehyde
Synonyms	[(5Z)-5-Ethylidene-4-hydroxy-2-cyclopenten-1-yl]acetaldehyde 2-Cyclopentene-1-acetaldehyde, 5-ethylidene-4-hydroxy-, (5Z)-

Density	1.2±0.1 g/cm3
Boiling Point	281.4±40.0 °C at 760 mmHg
Molecular Formula	C₉H₁₂O₂
Molecular Weight	152.190
Flash Point	117.9±19.9 °C
Exact Mass	152.083725
LogP	0.50
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.597

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