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: Cyclooctadecane-1,3,5,7,9,11,13,15,17-nonene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2040-73-5

2040-73-5 structure

2040-73-5 structure

Name: Cyclooctadecane-1,3,5,7,9,11,13,15,17-nonene
Chemical Name: [18]annulene
CAS Number: 2040-73-5
Molecular Formula: C₁₈H₁₈
Molecular Weight: 234.33600
Create Date: 2018-12-25 22:33:01
Modify Date: 2025-08-26 11:52:28

Name	[18]annulene
Synonyms	Cyclooctadecanonaen cyclooctadecanonaene

Density	0.873g/cm3
Boiling Point	522.3ºC at 760 mmHg
Molecular Formula	C₁₈H₁₈
Molecular Weight	234.33600
Flash Point	278.7ºC
Exact Mass	234.14100
LogP	5.00580
Vapour Pressure	1.75E-10mmHg at 25°C
Index of Refraction	1.436

HS Code	2902199090

HS Code	2902199090
Summary	2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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