Merck
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8.04012

Sigma-Aldrich

Furfural

for synthesis

Synonym(s):
2-Furancarbaldehyde, Furfural
Empirical Formula (Hill Notation):
C5H4O2
CAS Number:
Molecular Weight:
96.08
MDL number:
EC Index Number:
202-627-7

Quality Level

vapor pressure

1 hPa ( 20 °C)

assay

≥98% (GC)

form

liquid

autoignition temp.

315 °C

potency

65 mg/kg LD50, oral (Rat)

expl. lim.

2.1-19.3 % (v/v)

bp

162 °C/1013 hPa

mp

-37 °C

transition temp

flash point 60 °C

solubility

83 g/L

density

1.16 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C5H4O2/c6-4-5-2-1-3-7-5/h1-4H

InChI key

HYBBIBNJHNGZAN-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.158 - 1.160
Identity (IR): passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Chronic 3 - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

136.4 °F - closed cup

Flash Point(C)

58 °C - closed cup

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