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: Ethanedione,di-1-naphthalenyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3457-41-8

3457-41-8 structure

3457-41-8 structure

Name: Ethanedione,di-1-naphthalenyl
Chemical Name: 1,2-dinaphthalen-1-ylethane-1,2-dione
CAS Number: 3457-41-8
Molecular Formula: C₂₂H₁₄O₂
Molecular Weight: 310.34500
Create Date: 2016-09-22 11:26:08
Modify Date: 2026-07-15 16:01:25

Name	1,2-dinaphthalen-1-ylethane-1,2-dione
Synonyms	1,2-bis(naphthalen-1-yl)ethane-1,2-dione 1,2-Bis(1-naphthyl)ethane-1,2-dione 1,2-Ethanedione, 1,2-di-1-naphthalenyl 1,2-di(naphthalen-1-yl)ethane-1,2-dione bi-1,1'-naphthoyl di-[1]naphthyl-ethanedione 1,1'-Binaphthoyl Di-[1]naphthyl-aethandion 1,1'-dinaphthoylglyoxal

Density	1.248g/cm3
Boiling Point	528.5ºC at 760 mmHg
Molecular Formula	C₂₂H₁₄O₂
Molecular Weight	310.34500
Flash Point	232.3ºC
Exact Mass	310.09900
PSA	34.14000
LogP	5.05860
Index of Refraction	1.707
Storage condition	2-8°C

HS Code	2914399090

Precursor 9
66-77-3 872-36-6 90-11-9 14271-86-4
84812-40-8 879-18-5 6488-59-1 14474-59-0
86-55-5
DownStream 1
86-55-5

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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