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Benzofuran Structure

Benzofuran

Chemical Properties

Melting point <-18℃
Boiling point 173-175 °C(lit.)
Density  1.095 g/mL at 20 °C(lit.)
refractive index  n20/D 1.567
Flash point 133 °F
storage temp.  2-8°C
solubility  soluble in Dichloromethane
pka 33.2
form  Crystalline Powder or Crystals
color  Yellow to green to yellow-brown
Water Solubility  insoluble
Merck  14,1088
BRN  107704
LogP 2.670
CAS DataBase Reference 271-89-6(CAS DataBase Reference)
IARC 2B (Vol. 63) 1995
NIST Chemistry Reference Benzofuran(271-89-6)
EPA Substance Registry System Benzofuran (271-89-6)

Safety Information

Hazard Codes  Xn,Xi
Risk Statements  40-52-10
Safety Statements  36/37-16
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  DF6423800
10-23
Hazard Note  Irritant
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29329900
Hazardous Substances Data 271-89-6(Hazardous Substances Data)
Toxicity Isolated from coal oil and used in the manufacture of coumarone-indene resin. This resin is used in paints, glue, etc. and is allowed in food packaging. Little is known about the toxicity of benzofuran to humans but acute toxicity in experimental animals involves liver and kidney failure. Chronic toxicity to animals involves damage to the liver, kidneys, lungs, and stomach. Lifetime administration (oral administration) caused cancer in both rats and mice.

MSDS

Usage And Synthesis

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