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: 1,4,5,8-Tetrahydro-4a,8a-ethenonaphthalene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20295-17-4

20295-17-4 structure

20295-17-4 structure

Name: 1,4,5,8-Tetrahydro-4a,8a-ethenonaphthalene
Chemical Name: [4.4.2]Propella-3,8,11-triene
CAS Number: 20295-17-4
Molecular Formula: C₁₂H₁₄
Molecular Weight: 158.24000
Create Date: 2016-04-17 08:57:19
Modify Date: 2025-09-18 12:38:09

Name	[4.4.2]Propella-3,8,11-triene
Synonyms	4a,8a-Ethenonaphthalene,1,4,5,8-tetrahydro Tricyclo<4.4.2.0>dodecatrien-3,8.11

Density	1.04g/cm3
Boiling Point	266.5ºC at 760mmHg
Molecular Formula	C₁₂H₁₄
Molecular Weight	158.24000
Flash Point	90.6ºC
Exact Mass	158.11000
LogP	3.22900
Vapour Pressure	0.0141mmHg at 25°C
Index of Refraction	1.592

HS Code	2902909090

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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