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HCID 3383作成日:2026年10月26日

2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid

KI202(2) · KI202(1) · Fluoresceine 94 · C.I.Solvent Yellow 94:C.I.45350:1 · 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one · 3',6'-dihydroxyspiro[isobenzofuran-3,9'-xanthene]-1-one

https://huagongshe.com/ja/chemical/3383

2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid の分子構造式

識別子と物理属性

CAS No.518-45-6
分子式C20H12O5
平均分子量332.3 g/mol
単同位体質量332.06847348 g/mol
SMILESO=C(O)c1ccccc1-c1c2ccc(=O)cc-2oc2cc(O)ccc12
InChIKeyYKGGGCXBWXHKIZ-UHFFFAOYSA-N
PubChem CID3383
ChEMBLCHEMBL177756
ChEBICHEBI:172923
EC No.108-123-2
DTXSIDDTXSID601031482

化学・物理的性質

XLogP2.4
極性表面積83.8
水素結合供与体数2
水素結合受容体数5
回転可能結合数2
重原子数25
形式電荷0
複雑度686
SpringerMaterials PropertiesAngular frequency
沸点662.571±55.00 °C(Press: 760.00 Torr)(predicted)
密度1.535±0.10 g/cm3(Temp: 25 °CPress: 760 Torr)(predicted)
pKa(酸解離定数)4.402±0.10(predicted)

安全性と法規制

GHS 分類WarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)

製法・合成法

製造方法

Resorcinol and Phthalic anhydride alone or in the presence of sulfuric acid Zinc chloride or condensation, namely for fluorescein, again into free acid.