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Indole Structure

Indole

Chemical Properties

Melting point 51-54 °C (lit.)
Boiling point 253-254 °C (lit.)
Density  1.22
vapor pressure  0.016 hPa (25 °C)
refractive index  1.6300
FEMA  2593 | INDOLE
Flash point >230 °F
storage temp.  2-8°C
solubility  methanol: 0.1 g/mL, clear
pka 3.17 (quoted, Sangster, 1989)
form  Crystalline Powder
color  White to slightly pink
PH 5.9 (1000g/l, H2O, 20℃)
Odor fecal odor, floral in high dilution
Odor Threshold 0.0003ppm
Odor Type animal
Water Solubility  2.80 g/L (25 ºC)
Sensitive  Light Sensitive
Merck  14,4963
JECFA Number 1301
BRN  107693
Stability Stable, but may be light or air sensitive. Incompatible with strong oxidizing agents, iron and iron salts.
LogP 2.14-2.24
CAS DataBase Reference 120-72-9(CAS DataBase Reference)
NIST Chemistry Reference Indole(120-72-9)
EPA Substance Registry System Indole (120-72-9)

Safety Information

Hazard Codes  Xn,N,T
Risk Statements  21/22-37/38-41-50/53-36-39/23/24/25-23/24/25-52/53
Safety Statements  26-36/37/39-60-61-45-36/37
RIDADR  UN 2811 6.1/PG 3
WGK Germany  1
RTECS  NL2450000
8-13
TSCA  Yes
HS Code  2933 99 20
HazardClass  9
PackingGroup  III
Hazardous Substances Data 120-72-9(Hazardous Substances Data)
Toxicity LD50 orally in rats: 1 g/kg (Smyth)

MSDS

Usage And Synthesis

Indole Supplier

Indole manufacturers