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: 9-(2,4-Cyclopentadienylidene)-9H-fluorene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

27949-39-9

27949-39-9 structure

27949-39-9 structure

Name: 9-(2,4-Cyclopentadienylidene)-9H-fluorene
Chemical Name: 9-cyclopenta-2,4-dien-1-ylidenefluorene
CAS Number: 27949-39-9
Molecular Formula: C₁₈H₁₂
Molecular Weight: 228.28800
Create Date: 2016-06-14 11:51:31
Modify Date: 2025-10-04 20:30:42

Name	9-cyclopenta-2,4-dien-1-ylidenefluorene
Synonyms	9-cyclopentadienylidene-fluorene 9-Cyclopentadienyliden-fluoren Dibenzofulvalen 1,2:3,4-dibenzofulvalene 9H-Fluorene,9-(2,4-cyclopentadien-1-ylidene) 1,2,3,4-Dibenzofulvalen 9-(2,4-Cyclopentadienylidene)-9H-fluorene

Molecular Formula	C₁₈H₁₂
Molecular Weight	228.28800
Exact Mass	228.09400
LogP	4.59490

HS Code	2902909090

486-25-9 structure

486-25-9

542-92-7 structure

542-92-7

~%

27949-39-9 structure

27949-39-9

Literature: Prinzbach,H. et al. Justus Liebigs Annalen der Chemie, 1977 , p. 869 - 894

Precursor 2
486-25-9 542-92-7
DownStream 0

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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