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: 1-Butanone,1-(4-methoxyphenyl)-2-[(4-methoxyphenyl)methylene]-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

90-92-6

90-92-6 structure

90-92-6 structure

Name: 1-Butanone,1-(4-methoxyphenyl)-2-[(4-methoxyphenyl)methylene]-
Chemical Name: (2E)-1-(4-methoxyphenyl)-2-[(4-methoxyphenyl)methylidene]butan-1-one
CAS Number: 90-92-6
Molecular Formula: C₁₉H₂₀O₃
Molecular Weight: 296.36000
Create Date: 2018-09-06 13:51:21
Modify Date: 2025-08-24 09:39:35

Name	(2E)-1-(4-methoxyphenyl)-2-[(4-methoxyphenyl)methylidene]butan-1-one
Synonyms	2-Aethyl-1,3-bis-(4-methoxy-phenyl)-propenon 2-ethyl-1,3-bis-(4-methoxy-phenyl)-propenone \|A-Ethyl-4,4'-dimethoxychalcone Chalcone,4'-dimethoxy 1-(4-Methoxyphenyl)-2-[(4-methoxyphenyl)methylene]-1-butanone

Density	1.095g/cm3
Boiling Point	460.3ºC at 760 mmHg
Molecular Formula	C₁₉H₂₀O₃
Molecular Weight	296.36000
Flash Point	224.2ºC
Exact Mass	296.14100
PSA	35.53000
LogP	4.38010

HS Code	2933990090

123-11-5 structure

123-11-5

~%

90-92-6 structure

90-92-6

Literature: Stuart; Tallman Journal of the American Chemical Society, 1943 , vol. 65, p. 1579

Precursor 1
123-11-5
DownStream 0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.