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Key Documents

8.22281

Sigma-Aldrich

Indole

for synthesis

Synonym(s):

Indole, 2,3-Benzopyrrole

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About This Item

Empirical Formula (Hill Notation):
C8H7N
CAS Number:
120-72-9
Molecular Weight:
117.15
MDL number:
MFCD00005607
UNSPSC Code:
12352005
EC Index Number:
204-420-7
NACRES:
NA.22

vapor pressure

0.016 hPa ( 25 °C)

Quality Level

200

Assay

≥99.0% (GC)

form

solid

potency

1000 mg/kg LD50, oral (Rat)
790 mg/kg LD50, skin (Rabbit)

pH

5.9 (20 °C, 1000 g/L in H2O)

bp

253 °C/1013 hPa

mp

52 °C

transition temp

flash point 110 °C

density

1.22 g/cm3 at 20 °C

bulk density

230 kg/m3

storage temp.

2-30°C

InChI

1S/C8H7N/c1-2-4-8-7(3-1)5-6-9-8/h1-6,9H

InChI key

SIKJAQJRHWYJAI-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 50 °C
Melting range (upper value): ≤ 52 °C
Identity (IR): passes test

Pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

Signal Word

Danger

Hazard Statements

H302,H311,H319,H400

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Irrit. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

249.8 °F - closed cup

Flash Point(C)

121 °C - closed cup

Certificates of Analysis (COA)

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