Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Nitrobenzofuran-2(3H)-one
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Nitrobenzofuran-2(3H)-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

21997-23-9

21997-23-9 structure

21997-23-9 structure

Name: 5-Nitrobenzofuran-2(3H)-one
Chemical Name: 5-Nitro-3H-benzofuran-2-one
CAS Number: 21997-23-9
Molecular Formula: C₈H₅NO₄
Molecular Weight: 179.13000
Create Date: 2018-08-25 07:26:21
Modify Date: 2025-08-25 13:10:04

Name	5-Nitro-3H-benzofuran-2-one
Synonyms	5-nitro-3H-1-benzofuran-2-one

Density	1.519g/cm3
Boiling Point	355.457ºC at 760 mmHg
Molecular Formula	C₈H₅NO₄
Molecular Weight	179.13000
Flash Point	192.362ºC
Exact Mass	179.02200
PSA	72.12000
LogP	1.57950
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.633

HS Code	2932209090

51794-07-1 structure

51794-07-1

~%

21997-23-9 structure

21997-23-9

Literature: Hill American Chemical Journal, 1900 , vol. 24, p. 9

Precursor 1
51794-07-1
DownStream 0

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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