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: Spiro(anthracene-9(10H),1-cyclopropane)-2-carbonitrile, 10-oxo-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

21555-16-8

21555-16-8 structure

21555-16-8 structure

Name: Spiro(anthracene-9(10H),1-cyclopropane)-2-carbonitrile, 10-oxo-
Chemical Name: 10-oxospiro[anthracene-9,2'-cyclopropane]-1'-carbonitrile
CAS Number: 21555-16-8
Molecular Formula: C₁₇H₁₁NO
Molecular Weight: 245.27500
Create Date: 2016-01-02 11:12:03
Modify Date: 2025-09-18 18:13:39

Name	10-oxospiro[anthracene-9,2'-cyclopropane]-1'-carbonitrile
Synonyms	Spiro(anthracene-9(10H),1'-cyclopropane)-2'-carbonitrile,10-oxo

Density	1.32g/cm3
Boiling Point	472.4ºC at 760mmHg
Molecular Formula	C₁₇H₁₁NO
Molecular Weight	245.27500
Flash Point	239.5ºC
Exact Mass	245.08400
PSA	40.86000
LogP	3.06058
Vapour Pressure	4.28E-09mmHg at 25°C
Index of Refraction	1.685

HS Code	2926909090

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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