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: 11,1-Metheno-1H-cyclohepta[b]heptalene,11a,12,13,13a-tetrahydro-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

28255-97-2

28255-97-2 structure

28255-97-2 structure

Name: 11,1-Metheno-1H-cyclohepta[b]heptalene,11a,12,13,13a-tetrahydro-
Chemical Name: 1,6:8,13-butanediylidene<14>annulene
CAS Number: 28255-97-2
Molecular Formula: C₁₈H₁₈
Molecular Weight: 234.33600
Create Date: 2016-07-24 02:42:20
Modify Date: 2025-04-02 19:25:29

Name	1,6:8,13-butanediylidene<14>annulene
Synonyms	XNJNSGJEBSIKOD-UHFFFAOYSA 1,6:8,13-Butan-1,4-diyliden<14>annulen

Density	1.13g/cm3
Boiling Point	512.7ºC at 760mmHg
Molecular Formula	C₁₈H₁₈
Molecular Weight	234.33600
Flash Point	224.8ºC
Exact Mass	234.14100
LogP	4.50750
Vapour Pressure	4.07E-10mmHg at 25°C
Index of Refraction	1.664

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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