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Sigma-Aldrich

Furfural

greener alternative

natural, ≥98%, FCC, FG

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Synonym(s):
2-Furaldehyde, Furan-2-carboxaldehyde
Empirical Formula (Hill Notation):
C5H4O2
CAS Number:
98-01-1
Molecular Weight:
96.08
FEMA Number:
2489
Beilstein:
105755
EC Number:
202-627-7
MDL number:
MFCD00003229
PubChem Substance ID:
24900969
Flavis number:
13.018

grade

FG
Fragrance grade
Halal
Kosher
natural

Quality Level

400

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FCC
FDA 21 CFR 117
FDA 21 CFR 175.105

vapor density

3.31 (vs air)

vapor pressure

13.5 mmHg ( 55 °C)

Assay

≥98%

form

liquid

autoignition temp.

599 °F

expl. lim.

19.3 %

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

refractive index

n20/D 1.525 (lit.)

bp

162 °C (lit.)

mp

−36 °C (lit.)

solubility

95% ethanol: soluble 1 mL/mL, clear

density

1.16 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

greener alternative category

, Aligned

Organoleptic

almond; baked; bread; woody; sweet

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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General description

Furfural is a furan derivative. Production of furfural by dehydration of fructose, glucose and xylose using a biphasic reactor system has been reported. Furfural, a Maillard reaction product, is reported to inhibit the growth and alcohol production bySaccharomyces cerevisiae.
We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product is a Biobased products, showing key improvements in Green Chemistry Principles “Less Hazardous Chemical Syntheses” and “Use of Renewable Feedstock”.

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 Information

危险化学品

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Selective conversion of furfural to methylfuran over silica-supported Ni Fe bimetallic catalysts.
Sitthisa S, et al.
J. Catal., 284(1), 90-101 (2011)
Inhibition of glycolysis by furfural in Saccharomyces cerevisiae.
Banerjee N, et al.
Europ. J. Appl. Microbiol. Biotechnol., 11(4), 226-228 (1981)
Production of 5-hydroxymethylfurfural and furfural by dehydration of biomass-derived mono-and poly-saccharides.
Chheda JN, et al.
Green Chemistry, 9(4), 342-350 (2007)
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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