Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 9H-Xanthene,9-(9H-xanthen-9-ylidene)-
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 9H-Xanthene,9-(9H-xanthen-9-ylidene)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

517-45-3

517-45-3 structure

517-45-3 structure

Name: 9H-Xanthene,9-(9H-xanthen-9-ylidene)-
Chemical Name: 9-xanthen-9-ylidenexanthene
CAS Number: 517-45-3
Molecular Formula: C₂₆H₁₆O₂
Molecular Weight: 360.40400
Create Date: 2018-03-22 08:00:00
Modify Date: 2025-08-25 10:21:41

Name	9-xanthen-9-ylidenexanthene
Synonyms	9,9'-bi(9H-xanthen-9-ylidene) EINECS 208-241-5 9.9'-dixanthylidene Bixanthylidene Dixanthylene bixanthylene 9,9'-bixanthenylidene Dixanthylidene 9-(9H-Xanthen-9-ylidene)-9H-xanthene 9-(9H-xanthene-9-ylidene)-9H-xanthene MFCD00597968

Density	1.3g/cm3
Boiling Point	494.2ºC at 760mmHg
Melting Point	318-320ºC
Molecular Formula	C₂₆H₁₆O₂
Molecular Weight	360.40400
Flash Point	188.4ºC
Exact Mass	360.11500
PSA	18.46000
LogP	6.90540
Index of Refraction	1.711

Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	S26-S36/37
HS Code	2934999090

Precursor 9
90-47-1 4132-55-2 492-21-7 119-61-9
51933-61-0 92-83-1 25163-88-6 1712-70-5
19956-03-7
DownStream 3
90-47-1 4381-14-0 492-21-7

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.