MilliporeSigma
All Photos(3)

Documents

185922

Sigma-Aldrich

Furan

≥99%

Sign Into View Organizational & Contract Pricing

Synonym(s):
1,4-Epoxybuta-1,3-diene, Divinylene oxide, Oxacyclopentadiene, Oxole, Tetrole
Empirical Formula (Hill Notation):
C4H4O
CAS Number:
Molecular Weight:
68.07
Beilstein/REAXYS Number:
103221
EC Number:
MDL number:
PubChem Substance ID:

vapor density

2.35 (vs air)

Quality Level

vapor pressure

1672 mmHg ( 55 °C)
31.66 psi ( 55 °C)
493 mmHg ( 20 °C)
9.22 psi ( 20 °C)

assay

≥99%

form

liquid

contains

0.025 wt. % BHT as inhibitor

expl. lim.

14.3 %

refractive index

n20/D 1.421 (lit.)

bp

32 °C/758 mmHg (lit.)

solubility

alcohols: freely soluble
diethyl ether: freely soluble
water: insoluble

density

0.936 g/mL at 25 °C (lit.)

shipped in

wet ice

storage temp.

2-8°C

SMILES string

c1ccoc1

InChI

1S/C4H4O/c1-2-4-5-3-1/h1-4H

InChI key

YLQBMQCUIZJEEH-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
40288143758147885
Furan ≥99%

185922

Furan

6,6-Dimethylfulvene ≥95%

40288

6,6-Dimethylfulvene

3,4-Dimethoxybenzaldehyde 99%

143758

3,4-Dimethoxybenzaldehyde

4-Phenyl-3-buten-2-one 99%

147885

4-Phenyl-3-buten-2-one

solubility

alcohols: freely soluble, water: insoluble, diethyl ether: freely soluble

solubility

-

solubility

alcohol: freely soluble, diethyl ether: freely soluble, water: slightly soluble (hot)

solubility

alcohol: freely soluble, benzene: freely soluble, chloroform: freely soluble, diethyl ether: freely soluble, petroleum ether: very slightly soluble, water: very slightly soluble

Quality Level

100

Quality Level

-

Quality Level

-

Quality Level

-

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

-

storage temp.

-

form

liquid

form

liquid

form

solid

form

solid

density

0.936 g/mL at 25 °C (lit.)

density

0.881 g/mL at 25 °C (lit.)

density

-

density

-

General description

Furan is a five membered heterocyclic compound that is highly volatile, flammable and a potential carcinogen. It undergoes Diels-Alder reaction with 2-bromoacrolein catalyzed by oxazaborolidine to yield chiral 7-oxabicyclo[2.2.1]heptene derivatives. Cationic bis(4-tert-butyloxazoline)Cu(II) complex catalyzed enantioselective Diels-Alder reaction between acryloyl oxazolidinone and furan to afford ent-shikimic acid has been described. Lewis acid catalyzed Diels-Alder reaction between furan and some dienophiles affords substituted cyclohexenols and cyclohexadienols.

Application

Furan was used in the following processes:
  • Preparation of the starting material required for the synthesis of calix[6]pyrrole.
  • To investigate the kinetics and mechanism of reactions of chlorine atoms with volatile organic compounds.
  • Catalytic transformation of furan to aromatics and olefins.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Carc. 1B - Flam. Liq. 1 - Muta. 2 - Skin Irrit. 2 - STOT RE 2

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-32.8 °F - closed cup

flash_point_c

-36 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 5

1 of 5

2,3-Dimethylfuran 99%

Sigma-Aldrich

428469

2,3-Dimethylfuran

Maleic anhydride 99%

Sigma-Aldrich

M188

Maleic anhydride

N-Phenylmaleimide 97%

Sigma-Aldrich

P27100

N-Phenylmaleimide

2-Methylfuran (stabilised) for synthesis

Sigma-Aldrich

8.20798

2-Methylfuran

2-Butylfuran AldrichCPR

Sigma-Aldrich

CDS001204

2-Butylfuran

Catalytic Conversion of Furan to Gasoline-Range Aliphatic Hydrocarbons via Ring Opening and Decarbonylation Reactions Catalyzed by Pt/γ-Al2O3.
Runnebaum RC, et al.
Catalysis Letters, 142(6), 664-666 (2012)
Catalytic enantioselective Diels-Alder addition to furan provides a direct synthetic route to many chiral natural products.
Corey EJ and Loh T-P.
Tetrahedron Letters, 34(25), 3979-3982 (1993)
On the lewis acid catalyzed diels-alder reaction of furan. regio-and stereospecific synthesis of substituted cyclohexenols and cyclohexadienols.
Brion F.
Tetrahedron Letters, 23(50), 5299-5302 (1982)
Cationic bis (oxazoline) Cu (II) Lewis acid catalysts. Enantioselective furan Diels-Alder reaction in the synthesis of ent-shikimic acid.
Evans DA and Barnes DM.
Tetrahedron Letters, 38(1), 57-58 (1997)
From Large Furan-Based Calixarenes to Calixpyrroles and Calix
Cafeo et al.
Angewandte Chemie (International ed. in English), 39(8), 1496-1498 (2000-04-25)

Articles

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service