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: 1,6-Dioxaspiro[4.4]nona-2,8-diene,7-(2,4-hexadiyn-1-ylidene)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

17089-43-9

17089-43-9 structure

17089-43-9 structure

Name: 1,6-Dioxaspiro[4.4]nona-2,8-diene,7-(2,4-hexadiyn-1-ylidene)-
Chemical Name: (2Z)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]nona-3,7-diene
CAS Number: 17089-43-9
Molecular Formula: C₁₃H₁₀O₂
Molecular Weight: 198.21700
Create Date: 2016-01-25 22:18:46
Modify Date: 2025-08-26 17:14:40

Name	(2Z)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]nona-3,7-diene
Synonyms	1,8-diene,7-(2,4-hexadiynylidene) 7-hexa-2,4-diynylidene-1,6-dioxa-spiro[4.4]nona-2,8-diene

Density	1.2g/cm3
Boiling Point	368.6ºC at 760 mmHg
Molecular Formula	C₁₃H₁₀O₂
Molecular Weight	198.21700
Flash Point	163ºC
Exact Mass	198.06800
PSA	18.46000
LogP	2.11370
Vapour Pressure	2.66E-05mmHg at 25°C
Index of Refraction	1.609

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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