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20261-31-8

20261-31-8 structure
20261-31-8 structure

Name 4-hydroxy-3-nitrochromen-2-one
Synonyms 4-hydroxy-3-nitro-chromen-2-one
3-Nitro-4-hydroxycoumarin
MFCD00051671
4-hydroxy-3-nitro-2H-chromen-2-one
4-hydroxy-3-nitrocoumarin
3-nitro-4-hydroxychromen-2-one
Density 1.63g/cm3
Boiling Point 288.4ºC at 760mmHg
Melting Point 172 °C (dec.)(lit.)
Molecular Formula C9H5NO5
Molecular Weight 207.14000
Flash Point 128.2ºC
Exact Mass 207.01700
PSA 96.26000
LogP 1.93000
Vapour Pressure 0mmHg at 25°C
Index of Refraction 1.674
Hazard Codes T
Risk Phrases R36/37/38
Safety Phrases S26-S36
WGK Germany 3
HS Code 2932209090

~97%

20261-31-8 structure

20261-31-8

Literature: Lei, Liandi; Yang, Desuo; Liu, Zhongquan; Wu, Longmin Synthetic Communications, 2004 , vol. 34, # 6 p. 985 - 992

~86%

20261-31-8 structure

20261-31-8

Literature: Parfenov, E. A.; Smirnov, L. D. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 8 p. 825 - 830 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 8 p. 1032 - 1037

~77%

20261-31-8 structure

20261-31-8

Literature: Sulko, Jerzy Acta Poloniae Pharmaceutica - Drug Research, 1996 , vol. 53, # 1 p. 19 - 24

~%

20261-31-8 structure

20261-31-8

Literature: Acta Poloniae Pharmaceutica - Drug Research, , vol. 53, # 1 p. 19 - 24

~0%

20261-31-8 structure

20261-31-8

Literature: Knyazev, V. N.; Mozhaeva, T. Ya.; Lezina, V. P.; Savel'ev, V. L.; Drozd, V.N. Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 8 p. 1517 - 1522 Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 8 p. 1727 - 1733
HS Code 2932209090
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%