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

140665-75-4

140665-75-4 structure

140665-75-4 structure

Name: Butanenitrile, 2-(methoxymethylene)-3-oxo- (9CI)
Chemical Name: (2E)-2-(Methoxymethylene)-3-oxobutanenitrile
CAS Number: 140665-75-4
Molecular Formula: C₆H₇NO₂
Molecular Weight: 125.12500
Create Date: 2018-04-23 10:42:32
Modify Date: 2025-09-28 19:23:32

Names
Properties

Name	(2E)-2-(Methoxymethylene)-3-oxobutanenitrile
Synonyms	(2E)-2-(Methoxymethylene)-3-oxobutanenitrile Butanenitrile, 2-(methoxymethylene)-3-oxo-, (2E)-

Density	1.1±0.1 g/cm3
Boiling Point	290.9±30.0 °C at 760 mmHg
Molecular Formula	C₆H₇NO₂
Molecular Weight	125.12500
Flash Point	125.5±14.8 °C
Exact Mass	125.04800
PSA	50.09000
LogP	-0.37
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.446

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