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Isophthalic acid 121-91-5 Isophthalic acid Basic information Product Name: Isophthalic acid Synonyms: RARECHEM AL BO 0036;M-PHTHALIC ACID;1,3-dicarboxybenzene;1,3-phthalicacid;Acide is
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inquiryCAS Number 121-91-5 Product Name Isophthalic Acid Synonyms Benzene-1,3-dicarboxylate; Isophthalic Acid/benzene-1,3-dicarboxylic
Appearance:white to light yellow crytal power Storage:Room temperature Package:25kg/drum Application:Used as chromatographic analysis reagent, also used in organic synthesis Transportation:Express/Sea/Air Port:Any port in china
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inquiryProduct Name: Isophthalic acid CAS: 121-91-5 MF: C8H6O4 MW: 166.13 EINECS: 204-506-4 Mol File: 121-91-5.mol Isophthalic acid Structure Isophthalic acid Chemical Properties Melting point 341-343 °C (lit.) Boiling point
Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA
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inquiryIsophthalic acid CAS: 121-91-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermedi
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Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting IPA;Isophthalic acid CAS:121-91-5, Please contact us by email freely. We are leading exporter in China. If you really need this carg
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inquiryAppearance:white powder/crystal Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/Ai
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inquiryConditions | Yield |
---|---|
Stage #1: 1,3-dimethanol benzene With (6-di-tert-butylphosphinomethyl-2,2’-bipyridyl)Ru(CO)HCl; water; sodium hydroxide for 18h; Inert atmosphere; Reflux; Stage #2: Acidic conditions; | 100% |
With C24H33IrN4O3; water; sodium hydroxide for 18h; Reflux; | 97% |
With sodium tetrahydroborate; 1% Pd/C; water; potassium hydroxide In methanol at 20℃; for 9h; In air; | 89% |
Multi-step reaction with 2 steps 1: concentrated hydrobromic acid 2: aqueous potassium permanganate View Scheme |
isophthalic Acid dibenzyl ester
toluene
A
isophthalic acid
B
1-methyl-3-(phenylmethyl)-benzene
C
1-methyl-4-(phenylmethyl)benzene
D
2-benzyltoluene
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; water at 80℃; for 2h; regioselective reaction; | A 99% B n/a C n/a D n/a |
carbon monoxide
m-bromobenzoic acid
A
isophthalic acid
B
benzoic acid
Conditions | Yield |
---|---|
With sodium hydroxide; cobalt(II) oxide at 65℃; under 1520 Torr; for 1h; Irradiation; | A 98% B 1.5% |
With sodium hydroxide; cobalt(II) oxide at 65℃; under 1520 Torr; for 1h; Product distribution; Irradiation; other cobalt salt catalysts and various aromatic halides investigated; | A 98% B 1.5% |
With sodium methylate; cobalt(II) acetate In methanol at 65℃; under 1520 Torr; for 1h; Irradiation; | A 72.6% B 21.3% |
Conditions | Yield |
---|---|
With phosphoric acid; ozone In water; acetonitrile at 25℃; for 29h; pH=4 - 4.5; Temperature; UV-irradiation; | 96% |
With oxygen; 1-hydroxy-pyrrolidine-2,5-dione; cobalt(II) acetate In acetic acid at 60℃; under 12049.9 Torr; for 1h; Product distribution / selectivity; | 80% |
With oxygen In chloroform for 12h; Irradiation; | 75% |
m-xylene
A
isophthalic acid
B
m-formylphenyl benzoic acid
C
m-Toluic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide In dimethyl sulfoxide at 70℃; for 10h; Catalytic behavior; Reagent/catalyst; Overall yield = > 99 %; | A 96% B n/a C n/a |
With cobalt(II) acetate; manganese(II) acetate; acetic acid; 3-benzyl-1-methylimidazolium bromide at 215℃; for 3h; |
Conditions | Yield |
---|---|
With water; sodium hydroxide at 115℃; for 5h; | 96% |
Conditions | Yield |
---|---|
With potassium ferrate(VI) In neat (no solvent) for 5h; Milling; | A n/a B 92.8% |
carbon monoxide
1,3-Diiodobenzene
A
isophthalic acid
B
3-Iodobenzoic acid
Conditions | Yield |
---|---|
With potassium hydroxide; amphiphilic resin-supported phosphine-palladium; water at 25℃; under 760 Torr; for 12h; hydroxycarbonylation; | A 92% B n/a |
Conditions | Yield |
---|---|
With sodium perborate In acetic acid at 45 - 50℃; | 90% |
With potassium hydroxide; sodium tetrahydroborate; air; palladium on activated charcoal In methanol at 20℃; for 6h; | 88% |
With potassium permanganate |
Conditions | Yield |
---|---|
With oxygen; manganese (II) acetate tetrahydrate; cobalt(II) diacetate tetrahydrate; 1N,3N,5N-trihydroxy-1,3,5-triazin-2,4,6[1H,3H,5H]-trione In acetic acid at 120℃; under 760.051 Torr; for 15h; | 89% |
1,2,4-Trimethylbenzene
A
isophthalic acid
B
terephthalic acid
C
1,2,4-benzene tricarboxylic acid
Conditions | Yield |
---|---|
With oxygen; titanium(IV) isopropylate; tetrabutoxytitanium; manganese(II) acetate; cobalt(II) acetate; ammonium bromide; cerous nitrate In water; acetic acid at 150 - 225℃; under 5250.53 - 18751.9 Torr; for 1.2 - 1.25h; Product distribution / selectivity; | A n/a B n/a C 88.3% |
1,3-dibromobenzene
diphenylmethylsilanecarboxylic acid
A
isophthalic acid
B
m-bromobenzoic acid
Conditions | Yield |
---|---|
With lithium trimethylsilanolate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 80℃; for 16h; Glovebox; Overall yield = 40 mg; | A 88% B 7% |
1,3-dimethanol benzene
A
isophthalic acid
B
3-(Hydroxymethyl)benzoic acid
Conditions | Yield |
---|---|
Stage #1: 1,3-dimethanol benzene With cesiumhydroxide monohydrate; C24H19F3N7O3RuS(1+)*CF3O3S(1-) In water at 150℃; for 24h; Inert atmosphere; Schlenk technique; Stage #2: With hydrogenchloride In water Inert atmosphere; Schlenk technique; | A 88% B 10% |
Stage #1: 1,3-dimethanol benzene With cesiumhydroxide monohydrate; C24H19F3N7O3RuS(1+)*CF3O3S(1-) In water at 150℃; for 24h; Inert atmosphere; Schlenk technique; Stage #2: With hydrogenchloride In water Inert atmosphere; Schlenk technique; | A 23% B 52% |
Conditions | Yield |
---|---|
With N-hydroxyphthalimide; air; cobalt(II) acetate; manganese(II) acetate In acetic acid at 150℃; under 22801.5 Torr; for 3h; | A 87% B 7% |
Stage #1: m-xylene With hafnium(IV) oxide; N-hydroxy-o-sulphonyl benzamide; C32H12F4FeN8; C44H28N4O8Ru; oxygen at 145℃; under 6000.6 Torr; for 1.6h; Stage #2: With hafnium(IV) oxide; N-hydroxy-o-sulphonyl benzamide; C32H12F4FeN8; C44H28N4O8Ru; oxygen; acetic acid at 176℃; under 13501.4 Torr; for 2.2h; Temperature; Pressure; Reagent/catalyst; | A 84.4% B 15.6% |
With N-hydroxyphthalimide; oxygen; nitric acid at 110℃; under 760.051 Torr; for 6h; Ionic liquid; | A 71% B n/a |
1,3-benzenediacetic acid
isophthalic acid
Conditions | Yield |
---|---|
With iodine; dimethyl sulfoxide at 120℃; for 26h; Sealed tube; Green chemistry; | 87% |
o-xylene
para-xylene
m-xylene
A
isophthalic acid
B
terephthalic acid
C
benzene-1,2-dicarboxylic acid
D
benzoic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide; oxygen; manganese(II) bromide In water at 400℃; under 187519 Torr; Product distribution / selectivity; | A 86.3% B 66.7% C 61.5% D n/a |
methanol
carbon monoxide
1,3-dibromobenzene
A
isophthalic acid
B
dimethyl Isophthalate
C
methyl 3-bromobenzoate
Conditions | Yield |
---|---|
With tert-Amyl alcohol; sodium hydride; cobalt(II) acetate In tetrahydrofuran at 40℃; under 760 Torr; for 14h; Irradiation; | A 5% B 86% C 8% |
carbon monoxide
1,3-dibromobenzene
A
isophthalic acid
B
dimethyl Isophthalate
C
methyl 3-bromobenzoate
Conditions | Yield |
---|---|
With methanol; tert-Amyl alcohol; sodium hydride; cobalt(II) acetate In tetrahydrofuran at 40℃; under 760 Torr; for 14h; Irradiation; | A 5% B 86% C 8% |
isophthalic acid
Conditions | Yield |
---|---|
With ammonium hydroxide at 150℃; | 85.4% |
Conditions | Yield |
---|---|
With sodium hydroxide; cobalt(II) acetate at 80℃; under 1520 Torr; for 2.5h; Irradiation; | 81.6% |
With sodium hydroxide; dicobalt octacarbonyl In water at 65℃; under 1471.02 Torr; for 6h; Product distribution; Irradiation; | 94.0 % Chromat. |
C26H16N2O4
isophthalic acid
Conditions | Yield |
---|---|
With sodium hydroxide for 2h; | 80% |
Conditions | Yield |
---|---|
With anthracene; oxygen; acetic acid; hydrogen bromide; cobalt(II) acetate; manganese(II) acetate In water at 180 - 195℃; under 21446.5 Torr; for 1h; Product distribution / selectivity; | A n/a B 80% C 0.8% |
With oxygen; acetic acid; hydrogen bromide; cobalt(II) acetate; manganese(II) acetate In water at 180 - 195℃; under 21446.5 Torr; for 1h; Product distribution / selectivity; | A n/a B 73% C 1% |
1,3,5-trimethyl-benzene
A
isophthalic acid
B
benzene-1,3,5-tricarboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide; water; dihydrogen peroxide; manganese(II) bromide at 380℃; under 172517 Torr; | A n/a B 78% |
1,3,5-trichlorobenzene
carbon monoxide
A
isophthalic acid
B
benzene-1,3,5-tricarboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide; cobalt(II) acetate In ethanol at 65℃; under 1520 Torr; for 18h; Irradiation; | A 21.3% B 76.4% |
carbon monoxide
3-bromo-1-iodylbenzene
A
1-Bromo-3-iodobenzene
B
isophthalic acid
C
m-bromobenzoic acid
Conditions | Yield |
---|---|
With sodium tetrachloropalladate; sodium carbonate In water at 40℃; for 5.5h; Yields of byproduct given; | A n/a B 14% C 76% |
carbon monoxide
3-bromo-1-iodylbenzene
A
3-iodochlorobenzene
B
isophthalic acid
C
m-bromobenzoic acid
Conditions | Yield |
---|---|
With sodium tetrachloropalladate; sodium carbonate In water at 40℃; for 5.5h; Yields of byproduct given; | A n/a B 14% C 76% |
Conditions | Yield |
---|---|
Stage #1: malononitrile; 3-Iodobenzoic acid With copper(l) iodide; caesium carbonate; L-proline In dimethyl sulfoxide at 130℃; for 24h; Ullmann type reaction; Inert atmosphere; Stage #2: In dimethyl sulfoxide at 140℃; for 12h; Stage #3: With hydrogenchloride In water pH=2 - 3; | 70% |
Conditions | Yield |
---|---|
With sodium hydroxide; water; dihydrogen peroxide; manganese(II) bromide at 380℃; under 172517 Torr; | A 66% B n/a |
With dihydrogen peroxide; oxygen; manganese(II) bromide In water at 400℃; under 187519 Torr; Product distribution / selectivity; | A 58% B n/a |
Conditions | Yield |
---|---|
Stage #1: carbon dioxide With o-phenylenebis(diphenylphosphine); copper(II) acetate monohydrate In 1,4-dioxane at 65℃; for 0.416667h; Schlenk technique; Stage #2: 1-Bromo-3-iodobenzene With palladium diacetate; triethylamine; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane; toluene at 100℃; Schlenk technique; | 65% |
Conditions | Yield |
---|---|
With boron trifluoride at 65℃; for 0.333333h; | 100% |
With thionyl chloride at 20℃; for 72h; | 95.7% |
With 4-methyl-morpholine; 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride for 3h; | 92% |
Conditions | Yield |
---|---|
With thionyl chloride at 80℃; for 4h; | 100% |
With thionyl chloride In N,N-dimethyl acetamide; acetonitrile at 120℃; for 1h; Solvent; Large scale; | 99.4% |
With thionyl chloride In N,N-dimethyl-formamide | 98% |
isophthalic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In N,N-dimethyl-formamide at 25℃; for 16h; Condensation; | 100% |
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite; lithium chloride In 1-methyl-pyrrolidin-2-one at 100℃; for 3h; | 100% |
phosgene
isophthalic acid
A
dimethyl Isophthalate
B
benzene-1,3-dicarbonyl dichloride
Conditions | Yield |
---|---|
With pyridine In dichloromethane | A n/a B 100% |
isophthalic acid
tetra(n-butyl)ammonium hydroxide
bis(tetrabutylammonium) isophthatale
Conditions | Yield |
---|---|
In methanol; water at 20℃; | 100% |
In methanol at 20℃; for 2h; |
Conditions | Yield |
---|---|
With titanium(IV) isopropylate at 170 - 220℃; for 4.5h; Large scale; | 99% |
In 5,5-dimethyl-1,3-cyclohexadiene at 160℃; for 2h; | 51% |
Conditions | Yield |
---|---|
With titanium(IV) isopropylate at 170 - 220℃; for 4.5h; Large scale; | 99% |
Conditions | Yield |
---|---|
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; zinc(II) nitrate hexahydrate; isophthalic acid In N,N-dimethyl-formamide for 1h; Stage #2: 1,2-pentanediol In N,N-dimethyl-formamide at 130℃; for 48h; | 99% |
Conditions | Yield |
---|---|
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; zinc(II) nitrate hexahydrate; isophthalic acid In N,N-dimethyl-formamide for 1h; Stage #2: propylene glycol In N,N-dimethyl-formamide at 130℃; for 48h; | 99% |
Conditions | Yield |
---|---|
at 230℃; for 6h; | 98% |
With polyphosphoric acid at 200℃; for 6h; Inert atmosphere; | 94% |
With phosphoric acid at 250℃; for 4h; | 84% |
isophthalic acid
3,3'-carbonylbis<5-phenyl-1,3,4-oxadiazole-2(3H)-thione>
A
5-phenyl-1,3,4-oxadiazole-2(3H)-thione
Conditions | Yield |
---|---|
With pyridine In various solvent(s) for 4h; Ambient temperature; | A n/a B 98% C n/a |
4,4'-bipyridine
isophthalic acid
[Zn(isophthalate)(4,4'-bipyridyl)]
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 119.84℃; for 24h; Inert atmosphere; | 98% |
{(1R,2R)-2-[(-)-2-(3,5-di-tert-butyl-2-hydroxybenzylideneamino)cyclohexylimino]methyl}-6-tert-butylbenzene-1,4-diol
isophthalic acid
Conditions | Yield |
---|---|
Stage #1: {(1R,2R)-2-[(-)-2-(3,5-di-tert-butyl-2-hydroxybenzylideneamino)cyclohexylimino]methyl}-6-tert-butylbenzene-1,4-diol; isophthalic acid With 4-(dimethylamino)pyridinium tosylate In dichloromethane at 20℃; for 0.25h; Schlenk technique; Inert atmosphere; Stage #2: With diisopropyl-carbodiimide at 20℃; for 40h; Schlenk technique; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With NaOH In water High Pressure; NdCl3*6H2O prepared by dissolution of Nd2O3 in hydrochloric acid mixed with H2bdc and phen , pH 5 (NaOH), sealed in a bomb, heated for 3 ds at 150°C, cooled to room temp.; ppt. filtered off, washed (ethanol), elem. anal.; | 96.4% |
Conditions | Yield |
---|---|
With hydrogen; acetic acid; 5% rhodium on alumina In methanol at 20℃; under 2585.81 Torr; for 24h; | 96.3% |
With hydrogen; acetic acid; Rh/Al2O3 In methanol at 20℃; under 2585.81 Torr; | 96.3% |
With hydrogen; acetic acid In methanol | 96.3% |
Conditions | Yield |
---|---|
tetrachlorobis(tetrahydrofuran)hafnium(IV) In o-xylene for 96h; Heating; | 96% |
isophthalic acid
4,4'-oxydiphenylene diamine
bis(5-methyl-1,3-phenylene)-20-crown-6
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite; lithium chloride In 1-methyl-pyrrolidin-2-one at 100℃; for 3h; | 96% |
Conditions | Yield |
---|---|
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; zinc(II) nitrate hexahydrate; isophthalic acid In N,N-dimethyl-formamide for 1h; Stage #2: 1,2-dihydroxybutane In N,N-dimethyl-formamide at 130℃; for 48h; | 96% |
Conditions | Yield |
---|---|
With borane-THF; boron trifluoride diethyl etherate In tetrahydrofuran at 20℃; for 18h; | 95% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 60℃; for 19h; | 94% |
With lithium aluminium tetrahydride In tetrahydrofuran Heating; | 75% |
With sodium tetrahydroborate In tetrahydrofuran; ethanol at 20℃; for 3h; | 69% |
With sulfuric acid bei der elektrolytischen Reduktion; |
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite In 1-methyl-pyrrolidin-2-one at 100℃; for 3h; | 95% |
isophthalic acid
Conditions | Yield |
---|---|
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 23℃; for 18h; | 95% |
2,2'-biimidazole
isophthalic acid
water
cobalt(II) diacetate tetrahydrate
Conditions | Yield |
---|---|
In water 2,2'-biimidazole added to a soln. of metal acetate in hot water, a soln.of isophthalic acid in hot water added; concn., controlled evapn. at room temp. for 2-3 wk; elem. anal.; | 94% |
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