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

4551-02-4

4551-02-4 structure

4551-02-4 structure

Name: 9H-Fluorene,9,9'-(1,2-ethanediylidene)bis-
Chemical Name: 9-(2-fluoren-9-ylideneethylidene)fluorene
CAS Number: 4551-02-4
Molecular Formula: C₂₈H₁₈
Molecular Weight: 354.44300
Create Date: 2017-05-06 19:47:05
Modify Date: 2025-09-18 11:56:47

Name	9-(2-fluoren-9-ylideneethylidene)fluorene
Synonyms	di-fluoren-9-yliden-ethane 1,4-bis-biphenylene butadiene Di-fluoren-9-yliden-aethan 1,4-bis-biphenylenbutadipen

Density	1.314g/cm3
Boiling Point	626.4ºC at 760 mmHg
Molecular Formula	C₂₈H₁₈
Molecular Weight	354.44300
Flash Point	329.5ºC
Exact Mass	354.14100
LogP	7.21100
Index of Refraction	1.826

Precursor 8
4612-64-0 1039752-37-8 18083-75-5 18238-38-5
86-73-7 917-58-8 4425-74-5 3747-24-8
DownStream 2
86-73-7 10035-10-6

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