523-50-2

Name 2-Oxo-(2H)-furo(2,3-h)-1-benzopyran
CAS 523-50-2
EINECS(EC#) 637-055-0
Molecular Formula C11H6O3
MDL Number MFCD00064930
Molecular Weight 186.16
MOL File 523-50-2.mol

Chemical Properties

Appearance White Solid
Melting point  132-134°C
Boiling point  104°C/4mmHg(lit.)
density  1.2477 (rough estimate)
refractive index  1.6310 (estimate)
storage temp.  2-8°C
solubility  Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form  neat
color  White
Usage Antifungal
λmax 302nm(EtOH)(lit.)
BRN  153970
InChI InChI=1S/C11H6O3/c12-10-4-2-7-1-3-9-8(5-6-13-9)11(7)14-10/h1-6H
InChIKey XDROKJSWHURZGO-UHFFFAOYSA-N
SMILES C1(=O)OC2C3C=COC=3C=CC=2C=C1
LogP 2.080
CAS DataBase Reference 523-50-2(CAS DataBase Reference)
IARC 3 (Vol. 40, Sup 7) 1987
NIST Chemistry Reference 2H-furo[2,3-h]-1-benzopyran-2-one(523-50-2)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P301+P312+P330-P302+P352-P305+P351+P338
Hazard Codes  Xn,Xi
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R40:Limited evidence of a carcinogenic effect.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
WGK Germany  3
RTECS  LV0940000
HS Code  29322090
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Hazardous Substances Data 523-50-2(Hazardous Substances Data)

Hazard Information

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