Description
Furfural
99%
Synonym: 2-Furaldehyde, Furan-2-carboxaldehyde
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CAS Number 98-01-1
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Empirical Formula (Hill Notation) C5H4O2
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Molecular Weight 96.08
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Beilstein/REAXYS Number 105755
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EC Number 202-627-7
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MDL number MFCD00003229
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eCl@ss 39150703
Description
General description
Furfural is a heterocyclic aldehyde. It can be produced from agricultural raw materials containing pentosans[6] and lignocellulosic feedstock.[1] It is also obtained from xylose, via dehydration. Furan has various interesting properties, such as it thermosets easily, has physical strength and exhibits resistance to corrosion. It is a raw material for the production of various furan-based chemicals and solvents such as:[5]
• methylfuran
• furfuryl alcohol
• tetrahydrofurfuryl alcohol
• tetrahydrofuran
• methyltetrahydrofuran
• dihydropyran
• furoic acid
Application
Furfural has been employed as a standard for the HPLC quantification of furfural in the autohydrolysate liquor obtained from microwave-irradiated maize bran.[2] It may be used in the preparation of γ-valerolactone (GVL)[3] and biofuel 2-methylfuran (51% yield).[4]
Furfural undergoes hydrogenation in the vapor-phase over copper-containing catalysts to form furfuryl alcohol as the predominant product.[8] It may also be used to prepare gel precursors for phenol-furfural aerogels.[9]
Packaging
2.5 L in glass bottle
5, 100, 4×100, 500 mL in glass bottle
Properties
| Related Categories | Aldehydes, Building Blocks, C1 to C6, C4 to C7, Carbonyl Compounds, |
| Quality Level | 100 |
| vapor density | 3.31 (vs air) |
| vapor pressure | 13.5 mmHg ( 55 °C) |
| InChI Key | HYBBIBNJHNGZAN-UHFFFAOYSA-N |
| assay | 99% |
| autoignition temp. | 599 °F |
| expl. lim. | 19.3 % |
| refractive index | n20/D 1.525 (lit.) |
| bp | 162 °C (lit.) |
| mp | −36 °C (lit.) |
| density | 1.16 g/mL at 25 °C (lit.) |
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