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: 9H-Fluoren-9-one,3-methoxy-2-methyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

42839-91-8

42839-91-8 structure

42839-91-8 structure

Name: 9H-Fluoren-9-one,3-methoxy-2-methyl-
Chemical Name: 3-methoxy-2-methylfluoren-9-one
CAS Number: 42839-91-8
Molecular Formula: C₁₅H₁₂O₂
Molecular Weight: 224.25500
Create Date: 2016-06-02 02:48:28
Modify Date: 2025-09-22 07:39:56

Name	3-methoxy-2-methylfluoren-9-one
Synonyms	2-Methyl-3-methoxyfluorenon 3-methoxy-2-methyl-9h-fluoren-9-one

Density	1.211g/cm3
Boiling Point	404.6ºC at 760mmHg
Molecular Formula	C₁₅H₁₂O₂
Molecular Weight	224.25500
Flash Point	194ºC
Exact Mass	224.08400
PSA	26.30000
LogP	3.21500
Index of Refraction	1.624

HS Code	2914509090

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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