2,3-Dihydrofuran

CAS No.：1191-99-7

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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2,3-Dihydrofuran Basic information

Product Name:	2,3-Dihydrofuran
Synonyms:	4,5-Dihydrofuran;2,3-dihydrofuran stab.;2 3-DIHYDROFURAN 99+%;2,3-DIHYDROFURANE;2,3-Dihydrofuran, 98+%;Furan, 2,3-dihydro-;2,3-Dihydrofuran,2,3-DHF;2,3-Dihydrofuran, 98+% 100GR
CAS:	1191-99-7
MF:	C4H6O
MW:	70.09
EINECS:	214-747-7
Product Categories:	(intermediate of etodolac);Heterocycles, Intermediates, Metabolites & Impurities;Pyridines
Mol File:	1191-99-7.mol

2,3-Dihydrofuran Chemical Properties

Melting point	280 °C(Solv: trichloroethylene (79-01-6); ethanol (64-17-5))
Boiling point	54-55 °C (lit.)
density	0.927 g/mL at 25 °C (lit.)
vapor pressure	14.46 psi ( 55 °C)
refractive index	n20/D 1.423(lit.)
Fp	−12 °F
storage temp.	2-8°C
form	Liquid
color	Clear colorless
Water Solubility	slightlu soluble
BRN	103168
InChIKey	JKTCBAGSMQIFNL-UHFFFAOYSA-N
CAS DataBase Reference	1191-99-7(CAS DataBase Reference)
NIST Chemistry Reference	Furan, 2,3-dihydro-(1191-99-7)
EPA Substance Registry System	Furan, 2,3-dihydro- (1191-99-7)

Safety Information

Hazard Codes	F,Xi,Xn
Risk Statements	11-19-36-22-2017/11/19
Safety Statements	16-33-39-26-18-36
RIDADR	UN 1993 3/PG 2
WGK Germany	3
TSCA	Yes
HazardClass	3
PackingGroup	II
HS Code	29321900

MSDS Information

Provider	Language
2,3-Dihydrofuran	English
SigmaAldrich	English
ACROS	English
ALFA	English

2,3-Dihydrofuran Usage And Synthesis

Chemical Properties	clear colourless liquid
Uses	2,3-Dihydrofuran is a dehydration product of tetrahydrofuran (THF). 2,3-Dihydrofuran is also used in the preparation of niologically active compounds such as antitumor agents.
Uses	2,3-Dihydrofuran is a versatile reagent used in lanthanide-catalyzed Diels-Alder reactions with 2-pyrones and in Rh(II)-stabilized cycloadditions with vinylcarbenoids. It is applied for alkylation by active methylene compounds, catalyzed by trans-Dichlorobis(triphenyl-phosphine)-palladium(II). It is also used in the preparation of biologically active compounds such as antitumor agents.
General Description	The enantioselective Heck arylation of 2,3-dihydrofuran with aryl iodides was studied.

2,3-Dihydrofuran Preparation Products And Raw materials

Raw materials	1,4-Butanediol-->TETRAHYDROFURAN-3-CARBOXALDEHYDE 98
Preparation Products	L-Lysine hydrochloride-->Glutaric acid-->2-Methylcumarone-->5-Bromopyrimidine-->Tryptophol-->CIS-3-PENTEN-1-OL-->7-Ethyl tryptophol-->2,3-Dichlorotetrahydrofuran-->2-HYDROXYTETRAHYDROFURAN

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