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2320-44-7

2320-44-7 structure
2320-44-7 structure

Name 2',3',6',7'-tetrahydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
Synonyms Hhqnph
2-Hydroxyhydroquinonephthalein
ortho-Hydroxyhydroquinonephthalein
Density 1.81g/cm3
Boiling Point 740.7ºC at 760 mmHg
Molecular Formula C20H12O7
Molecular Weight 364.30500
Flash Point 274.9ºC
Exact Mass 364.05800
PSA 116.45000
LogP 3.07700
Vapour Pressure 1.1E-22mmHg at 25°C
Index of Refraction 1.865
HS Code 2932999099

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2320-44-7 structure

2320-44-7

Literature: Liebermann Chemische Berichte, 1901 , vol. 34, p. 2299

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2320-44-7 structure

2320-44-7

Literature: Feuerstein; Dutoit Chemische Berichte, 1901 , vol. 34, p. 2637 Full Text Show Details Thiele,J.; Jaeger Chemische Berichte, 1901 , vol. 34, p. 2618 Full Text Show Details Liebermann Chemische Berichte, 1901 , vol. 34, p. 2299
Precursor  3

DownStream  0

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%