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Safety Information

319910

Sigma-Aldrich

Furfural

ACS reagent, 99%

Synonym(s):

2-Furaldehyde, Furan-2-carboxaldehyde

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About This Item

Empirical Formula (Hill Notation):
C5H4O2
CAS Number:
98-01-1
Molecular Weight:
96.08
Beilstein:
105755
EC Number:
202-627-7
MDL number:
MFCD00003229
UNSPSC Code:
12352100
PubChem Substance ID:
24859198
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

vapor density

3.31 (vs air)

vapor pressure

13.5 mmHg ( 55 °C)

Assay

99%

form

liquid

autoignition temp.

599 °F

expl. lim.

19.3 %

impurities

≤0.02 meq/g

evapn. residue

≤0.5%

refractive index

n20/D 1.525 (lit.)

bp

162 °C (lit.)

mp

−36 °C (lit.)

density

1.16 g/mL at 25 °C (lit.)

functional group

aldehyde

SMILES string

[H]C(=O)c1ccco1

InChI

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

InChI key

HYBBIBNJHNGZAN-UHFFFAOYSA-N

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Application

Furfural can be used as a reactant to synthesize:
  • Furfuryl alcohol via Cannizzaro reaction.
  • Furancarboxylic acid via nickel-catalyzed oxidation.
  • Dimer via base-catalyzed aldol condensation with cyclopentanone.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

319910-500ML:4548174010167
319910-2L:
319910-4X2L:
319910-BULK:
319910-VAR:
319910-6X500ML:
319910-2.5L:4548174010150

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV8670
MKCV8610
MKCS1214
MKCQ9792
MKCN1666

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Production of feruloylated arabinoxylo-oligosaccharides from maize (Zea mays) bran by microwave-assisted autohydrolysis.
Rose DJ and Inglett GE.
Food Chemistry, 119(4), 1613-1618 (2010)
The occurrence of Cannizzaro reaction over Mg-Al hydrotalcites
Kikhtyanin O, et al.
Applied Catalysis A: General, 525, 215-225 (2016)
Cyclopentanone: A raw material for production of C15 and C17 fuel precursors
Hronec M, et al.
Biomass and Bioenergy, 63, 291-299 (2014)
Selective hydrogenation of furfural and levulinic acid to biofuels on the ecofriendly Cu-Fe catalyst.
Yan K and Chen A.
Fuel: The Science and Technology of Fuel and Energy, 115, 101-108 (2014)
Jianmin Zhang et al.
Journal of medicinal chemistry, 50(8), 1850-1864 (2007-03-27)
The 3C-like protease (3CLpro), which controls the severe acute respiratory syndrome (SARS) coronavirus replication, has been identified as a potential target for drug design in the treatment of SARS. A series of tetrapeptide phthalhydrazide ketones, pyridinyl esters, and their analogs
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