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Home >> Chemical Listing >> D >> 4,7-Dihydroxycoumarin

4,7-Dihydroxycoumarin
[CAS# 1983-81-9]

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Identification
Name 4,7-Dihydroxycoumarin
Synonyms 4,7-Dihydroxy-2-oxo-2H-1-benzopyran; NSC 136214
Molecular Structure CAS # 1983-81-9, 4,7-Dihydroxycoumarin, 4,7-Dihydroxy-2-oxo-2H-1-benzopyran, NSC 136214
Molecular Formula C9H6O4
Molecular Weight 178.14
CAS Registry Number 1983-81-9
EC Number 688-530-4
Properties
Solubility Slightly soluble (1.8 g/L) (25 ºC), Calc.*
Density 1.612±0.06 g/cm3 (20 ºC 760 Torr), Calc.*
Melting point 280-281 ºC (methanol )**
* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)
** Gong, Deng-Huang; Chinese Journal of Chemistry 2004, V22(9), P925-931.
Safety Data
Hazard Symbols symbol   Xi    Details
Risk Codes R22;R36    Details
Safety Description S26    Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Eye irritationEye Irrit.2H319
Acute toxicityAcute Tox.4H302
Skin irritationSkin Irrit.2H315
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