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3,4-Dimethyl-2,5-dihydrofuran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 53720-72-2 Structure
  • Basic information

    1. Product Name: 3,4-Dimethyl-2,5-dihydrofuran
    2. Synonyms: 2,5-Dihydro-3,4-dimethylfuran;3,4-Dimethyl-2,5-dihydrofuran
    3. CAS NO:53720-72-2
    4. Molecular Formula: C6H10O
    5. Molecular Weight: 98.14
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 53720-72-2.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 3,4-Dimethyl-2,5-dihydrofuran(CAS DataBase Reference)
    10. NIST Chemistry Reference: 3,4-Dimethyl-2,5-dihydrofuran(53720-72-2)
    11. EPA Substance Registry System: 3,4-Dimethyl-2,5-dihydrofuran(53720-72-2)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 53720-72-2(Hazardous Substances Data)

53720-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53720-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,2 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 53720-72:
(7*5)+(6*3)+(5*7)+(4*2)+(3*0)+(2*7)+(1*2)=112
112 % 10 = 2
So 53720-72-2 is a valid CAS Registry Number.

53720-72-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,4-dimethyl-2,5-dihydrofuran

1.2 Other means of identification

Product number -
Other names 2,5-dihydro-3,4-dimethylfuran

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:53720-72-2 SDS

53720-72-2Downstream Products

53720-72-2Relevant articles and documents

Light-and Thermal-Activated Olefin Metathesis of Hindered Substrates

Ivry, Elisa,Frenklah, Alexander,Ginzburg, Yakov,Levin, Efrat,Goldberg, Israel,Kozuch, Sebastian,Lemcoff, N. Gabriel,Tzur, Eyal

, p. 176 - 181 (2018/02/06)

Efficient light-and thermal-Activated metathesis reactions of tetra-substituted olefins were obtained by the S-chelated ruthenium precatalyst Tol-SCF3. Its reactivity in a series of benchmark olefin metathesis reactions was compared to previous

An [(NHC)(NHCEWG)RuCl2(CHPh)] complex for the efficient formation of sterically hindered olefins by ring-closing metathesis

Vorfait, Tim,Leuthaeusser, Steffen,Plenio, Herbert

supporting information; experimental part, p. 5191 - 5194 (2009/12/24)

NHC with EWGs for RCM: Ruthenium complexes with two N-heterocyclic carbenes (NHCs), one of them substituted with electron-withdrawing groups (EWGs), are highly efficient (pre) catalysts for the synthesis of tetrasubstituted olefins and trisubstituted olef

A hexafluorobenzene promoted ring-closing metathesis to form tetrasubstituted olefins

Rost, Daniel,Porta, Marta,Gessler, Simon,Blechert, Siegfried

scheme or table, p. 5968 - 5971 (2009/04/04)

Highly efficient formation of tetrasubstituted olefins is described by ring-closing metathesis (RCM) using catalyst 2 in presence of hexafluorobenzene. This combination with hexafluorobenzene shows an unexpected promoting effect, which requires low cataly

PRODUCTION OF 2,5-DIHYDROFURANS AND ANALOGOUS COMPOUNDS

-

Page/Page column 8, (2008/06/13)

Vinyl oxiranes are rearranged to 2,5-dihydrofuran using catalyst (III) or (IV). The 2,5-dihydrofuran can be reduced to tetrahydrofuran. 3,4-Epoxy-l-butene substrate is converted to 2,5-dihydrofuran which in turn is converted to tetrahydrofuran. Substrate

Ruthenium-catalyzed ring-closing metathesis to form tetrasubstituted olefins

Berlin, Jacob M.,Campbell, Katie,Ritter, Tobias,Funk, Timothy W.,Chlenov, Anatoly,Grubbs, Robert H.

, p. 1339 - 1342 (2008/01/03)

Figure presented Increased efficiency for ring-closing metathesis to form tetrasubstituted olefins using N-heterocyclic carbene ligated ruthenium catalysts was achieved by reducing the size of the substituants at the ortho positions of the N-bound aryl ri

Highly efficient ruthenium catalysts for the formation of tetrasubstituted olefins via Ring-Closing Metathesis

Stewart, Ian C.,Ung, Thay,Pletnev, Alexandre A.,Berlin, Jacob M.,Grubbs, Robert H.,Schrodi, Yann

, p. 1589 - 1592 (2008/02/03)

Equation presented A series of ruthenium-based metathesis catalysts with N-heterocyclic carbene (NHC) ligands have been prepared in which the N-aryl groups have been changed from mesityl to mono-ortho-substituted phenyl (e.g., tolyl). These new catalysts

ORGANOMETALLIC RUTHENIUM COMPLEXES AND RELATED METHODS FOR THE PREPARATION OF TETRA-SUBSTITUTED AND OTHER HINDERED OLEFINS

-

Page/Page column 43, (2010/11/27)

The invention relates to ruthenium alkylidene complexes having an N-heterocyclic carbene ligand comprising a 5-membered heterocyclic ring having a carbenic carbon atom and at least one nitrogen atom contained within the 5-membered heterocyclic ring, wherein the nitrogen atom is directly attached to the carbenic carbon atom and is substituted by a phenyl ring, and wherein the phenyl ring has a hydrogen at either or both ortho positions and is substituted and at least one orthq or meta position. The invention also relates to an olefin metathesis reactions and particularly to the preparation of tetra-substituted cyclic olefins via a ring-closing metathesis.

Copper-catalyzed rearrangement of vinyl oxiranes

Batory, Lindsay A.,McInnis, Christine E.,Njardarson, Jon T.

, p. 16054 - 16055 (2007/10/03)

A novel copper-catalyzed vinyl oxirane ring expansion protocol has been developed. A wide range of vinyl oxiranes can be rearranged to 2,5-dihydrofurans in excellent yields in the presence of electrophilic copper(II) acetylacetonate catalysts. Regioisomeric vinyl oxiranes can be converted to a single dihydrofuran product using these conditions. This method uses low catalyst loadings (0.5-5 mol %), has good tolerance of substitution patterns, and can be done in the absence of solvent. Copyright

Isomerization of epoxyalkenes to 2,5-dihydrofurans

-

Example 253-254, (2008/06/13)

Disclosed are processes for the isomerization of epoxyalkenes to dihydrofurans by contacting an epoxyalkene with a catalyst comprising a quaternary organic onium iodide compounds, optionally deposited on a non-acidic support and/or in combination with a Lewis acid co-catalyst. The catalyst may comprise a supported catalyst, an unsupported catalyst or a solution of the catalytically-active components in an inert, organic solvent.

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