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: NAPHTHO[2,3-A]CORONENE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

190-74-9

190-74-9 structure

190-74-9 structure

Name: Naphtho(2,3-a)coronene
Chemical Name: Naphtho[2,3-a]coronene
CAS Number: 190-74-9
Molecular Formula: C₃₂H₁₆
Molecular Weight: 400.469
Create Date: 2017-09-12 20:06:19
Modify Date: 2025-09-13 07:03:24

Name	Naphtho[2,3-a]coronene
Synonyms	Naphtho[2,3-a]coronene Naphthocoronen Naphtho<2,3a>coronene Naphtho(2,3-a)coronene

Density	1.5±0.1 g/cm3
Molecular Formula	C₃₂H₁₆
Molecular Weight	400.469
Exact Mass	400.125214
LogP	9.85
Index of Refraction	2.122

HS Code	2914399090

121526-44-1 structure

121526-44-1

~%

190-74-9 structure

190-74-9

Literature: Clar; Zander Journal of the Chemical Society, 1958 , p. 1577

Precursor 1
121526-44-1
DownStream 0

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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