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: 1,8,9-Perinaphthoxanthene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

191-37-7

191-37-7 structure

191-37-7 structure

Name: 1,8,9-Perinaphthoxanthene
Chemical Name: Naphtho(2,1,8,7-klmn)xanthene
CAS Number: 191-37-7
Molecular Formula: C₁₈H₁₀O
Molecular Weight: 242.27100
Create Date: 2016-09-20 03:04:38
Modify Date: 2025-08-25 22:26:27

Name	Naphtho(2,1,8,7-klmn)xanthene
Synonyms	1,9-Perinaphthoxanthene Naphtho[2,8,7-klmn]xanthene 6-Oxa-6-benzo(cd)pyrene 1,8,9-Perinaphthoxanthene Naphtho[2,1,8,7-klmn]xanthene

Density	1.373g/cm3
Boiling Point	469.7ºC at 760 mmHg
Molecular Formula	C₁₈H₁₀O
Molecular Weight	242.27100
Flash Point	238.6ºC
Exact Mass	242.07300
PSA	9.23000
LogP	5.25190
Vapour Pressure	1.52E-08mmHg at 25°C
Index of Refraction	1.863

HS Code	2932999099

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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