Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2H-1-Benzopyran-3-carboxylicacid, 8-methoxy-2-oxo-
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-1-Benzopyran-3-carboxylicacid, 8-methoxy-2-oxo-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2555-20-6

2555-20-6 structure

2555-20-6 structure

Name: 2H-1-Benzopyran-3-carboxylicacid, 8-methoxy-2-oxo-
Chemical Name: 8-Methoxy-2-oxo-2H-chromene-3-carboxylic acid
CAS Number: 2555-20-6
Molecular Formula: C₁₁H₈O₅
Molecular Weight: 220.17800
Create Date: 2019-01-02 08:48:57
Modify Date: 2025-08-27 19:55:34

Name	8-Methoxy-2-oxo-2H-chromene-3-carboxylic acid
Synonyms	8-methoxy-2-oxochromene-3-carboxylic acid

Density	1.454 g/cm3
Boiling Point	439ºC at 760 mmHg
Melting Point	214ºC
Molecular Formula	C₁₁H₈O₅
Molecular Weight	220.17800
Flash Point	178.8ºC
Exact Mass	220.03700
PSA	76.74000
LogP	1.49980
Vapour Pressure	1.76E-08mmHg at 25°C

Hazard Codes	Xi: Irritant;
HS Code	2932209090

Precursor 7
2033-24-1 148-53-8 141-82-2 1729-02-8
2169-99-5 89228-61-5 13229-91-9
DownStream 6
3626-94-6 1728-88-7 1729-02-8 2442-31-1
2445-81-0 57585-53-2

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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