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Sigma-Aldrich

5-Methoxyisophthalic acid

97%

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About This Item

Linear Formula:
CH3OC6H3(CO2H)2
CAS Number:
46331-50-4
Molecular Weight:
196.16
MDL number:
MFCD00272364
UNSPSC Code:
12352100
PubChem Substance ID:
24877571
NACRES:
NA.22

Assay

97%

mp

275-280 °C (lit.)

SMILES string

COc1cc(cc(c1)C(O)=O)C(O)=O

InChI

1S/C9H8O5/c1-14-7-3-5(8(10)11)2-6(4-7)9(12)13/h2-4H,1H3,(H,10,11)(H,12,13)

InChI key

POSMIIJADZKUPL-UHFFFAOYSA-N

General description

5-Methoxyisophthalic acid can be prepared from its dimethyl analog, via oxidation in the presence of potassium permanganate in pyridine-water.

Application

5-Methoxyisophthalic acid (MeO-H2ip) may be used to synthesize [bpp = 1,3-di(4-pyridyl)propane]:
  • 5-methoxy bis(4-benzyloxy)phenylisophthalate
  • 3,5-bis(4-fluorobenzoyl)phenol
  • [Cd2(MeO-ip)2(bpp)2]n·nH2O
  • [Ni(MeO-ip)(bpp)(H2O)]n·nH2O

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, 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’.

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Syntheses, structures, and properties of two coordination polymers based on 5-methoxyisophthalate and flexible dipyridines.
Li X, et al.
Journal of Coordination Chemistry, 66(18), 3249-3260 (2013)
Cyclic hyperbranched poly (ether ketone) s derived from 3, 5-bis (4-fluorobenzoyl) phenol.
Kricheldorf HR, et al.
Macromolecules, 36(15), 5551-5558 (2003)
Poly (Benzimidazole) synthesis by direct reaction of methoxyphthalic acids and tetramine.
Ueda M and Sugita H.
Journal of Polymer Science Part A: Polymer Chemistry, 27(8), 2815-2818 (1989)
Occurrence of transition between lamellar antiferroelectric and columnar ferroelectric phases in achiral seven-ring bent-core compounds derived from 5-methoxyisophthalic acid.
Radhika S, et al.
Ferroelectrics, 364(1), 20-32 (2008)

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