Tetrachlorophthalic acid supplier

Name
Tetrachlorophthalic acid
EINECS 211-181-2
CAS No. 632-58-6
Article Data22
CAS DataBase
Density 1.872 g/cm³
Solubility Sparingly soluble in water
Melting Point 98°C
Formula C₈H₂Cl₄O₄
Boiling Point 439.1 °C at 760 mmHg
Molecular Weight 303.913
Flash Point 219.4 °C
Transport Information
Appearance colourless crystals
Safety 36/37/39
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols 36/37/38:;
Synonyms Phthalicacid, tetrachloro- (6CI,7CI,8CI);NSC 193510;Tetrachloro-1,2-benzenedicarboxylic acid;Tetrachlorophthalic acid;
PSA 74.60000
LogP 3.69660

Synthetic route

: 85-44-9
phthalic anhydride

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
With antimonypentachloride; chlorine at 200℃;
With sulfuric acid; iodine; chlorine at 50 - 60℃; schliesslich bei 200grad;

: 2234-13-1
octachloronaphthalene

A: 632-58-6
tetrachlorophthalic acid

B: 58852-12-3
hexachloronaphthoquinone-(1,4)

Conditions

Conditions	Yield
With nitric acid at 90℃;

: 58863-15-3
1,2,3,4,5,6,8-heptachloronaphthalene

A: 632-58-6
tetrachlorophthalic acid

B: 2,5,6,7,8-pentachloro-[1,4]naphthoquinone

Conditions

Conditions	Yield
With nitric acid at 100℃; im geschlossenen Rohr;
With nitric acid at 100℃; im Druckrohr;

: 67922-25-2
1,2,3,4,5-Pentachloronaphthalene

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
With nitric acid at 180 - 200℃; im geschlossenen Rohr;

: 2,5,6,7,8-pentachloro-[1,4]naphthoquinone

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
With chromic acid
With nitric acid

: 2,3,4,5-tetrachloro-6-trichloroacetyl-benzoic acid

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid

A: 608-93-5
pentachlorobenzene

B: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
With sulfuric acid at 200 - 250℃;

: 88-95-9
Phthaloyl dichloride

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
With chlorine; iron at 120 - 170℃;

: 117-08-8
tetrachlorophthalic anhydride

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
With sodium hydroxide; water for 0.75h; Hydrolysis; Heating;

: 117-08-8
tetrachlorophthalic anhydride

: 7732-18-5
water

: 632-58-6
tetrachlorophthalic acid

: 7647-18-9
antimonypentachloride

: 7553-56-2
iodine

: 84-65-1
9,10-phenanthrenequinone

A: 632-58-6
tetrachlorophthalic acid

B: 26529-50-0
1,2,3,4,5,6,8-heptachloro-anthraquinone

C: 861526-53-6
1,2,3,4,5,6,7-heptachloro-anthraquinone

D: 2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid

Conditions

Conditions	Yield
Kochen des Reaktionsproduktes mit Salzsaeure;

...Expand

: 85-52-9
2-Benzoylbenzoic acid

: 7647-18-9
antimonypentachloride

A: 118-74-1
hexachlorobenzene

B: 632-58-6
tetrachlorophthalic acid

C: 861526-53-6
1,2,3,4,5,6,7-heptachloro-anthraquinone

D: 2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid

...Expand

: 20020-02-4
1,2,3,4-tetrachloronaphthalene

: 7697-37-2
nitric acid

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
at 210 - 215℃;

: 2234-13-1
octachloronaphthalene

: 7697-37-2
nitric acid

A: 632-58-6
tetrachlorophthalic acid

B hexachloro-naphthoquinone-(1.4): hexachloro-naphthoquinone-(1.4)

Conditions

Conditions	Yield
at 90℃;

...Expand

: 58852-12-3
hexachloronaphthoquinone-(1,4)

: 7697-37-2
nitric acid

: 632-58-6
tetrachlorophthalic acid

: 2841-29-4
1,2,3,4-tetrachloro-9,10-anthraquinone

: 7697-37-2
nitric acid

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
at 140 - 150℃;

: 81-58-3
1,4,5,8-tetrachloroanthraquinone

: 7647-18-9
antimonypentachloride

A: 632-58-6
tetrachlorophthalic acid

B: 26529-50-0
1,2,3,4,5,6,8-heptachloro-anthraquinone

C: 861526-53-6
1,2,3,4,5,6,7-heptachloro-anthraquinone

D: 2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid

...Expand

: 58863-15-3
1,2,3,4,5,6,8-heptachloronaphthalene

: 7697-37-2
nitric acid

A: 632-58-6
tetrachlorophthalic acid

B pentachloronaphthoquinone-(1.4): pentachloronaphthoquinone-(1.4)

...Expand

: p-chloranil

: 7697-37-2
nitric acid

: 632-58-6
tetrachlorophthalic acid

: 67922-25-2
1,2,3,4,5-Pentachloronaphthalene

: 7697-37-2
nitric acid

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
at 180 - 200℃;

: 2,5,6,7,8-pentachloro-[1,4]naphthoquinone

CrO3: CrO3

: 632-58-6
tetrachlorophthalic acid

: 7664-93-9
sulfuric acid

: 2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid

A: 608-93-5
pentachlorobenzene

B: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
at 200 - 250℃;

...Expand

: 2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid

: 7647-18-9
antimonypentachloride

A: 118-74-1
hexachlorobenzene

B: 632-58-6
tetrachlorophthalic acid

...Expand

: 861526-53-6
1,2,3,4,5,6,7-heptachloro-anthraquinone

: 7647-18-9
antimonypentachloride

A: 118-74-1
hexachlorobenzene

B: 632-58-6
tetrachlorophthalic acid

C: 2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid

...Expand

: 875846-61-0
2,3,4,5-tetrachloro-6-dichloroacetyl-benzoic acid

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: natrium carbonate; chlorine 2: diluted NaOH-solution View Scheme

: 58863-15-3
1,2,3,4,5,6,8-heptachloronaphthalene

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: nitric acid / 100 °C / im Druckrohr 2: nitric acid View Scheme

: p-chloranil

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: PCl5 / 250 °C / im Druckrohr 2: nitric acid / 100 °C / im Druckrohr 3: nitric acid View Scheme

: 6641-31-2
2-amino-4,5,6,7-tetrachloroisoindoline-1,3-dione

: 632-58-6
tetrachlorophthalic acid

Conditions

Conditions	Yield
With sodium hydroxide In water

: 632-58-6
tetrachlorophthalic acid

: 2170-05-0
pentaphenylantimony

: bis(tetraphenylantimony) tetrachlorophthalate

Conditions

Conditions	Yield
In toluene at 90℃; for 1h;	91%

: 632-58-6
tetrachlorophthalic acid

: 20687-94-9
4,5,6,7-tetrachloro-1,1,3,3-tetrafluoro-1,3-dihydroisobenzofuran

Conditions

Conditions	Yield
With sulfur tetrafluoride at 190 - 200℃; for 16h; Heating;	89.3%

: 632-58-6
tetrachlorophthalic acid

: 49578-22-5
1,2,3,4-tetrachloro-1,3-cyclohexadiene-5,6-dicarboxylic acid

Conditions

Conditions	Yield
With sulfuric acid In 1,4-dioxane at 25℃; electroreduction (divided cells, lead plates, 0.20 A);	86%

: 1122-58-3
dmap

: 632-58-6
tetrachlorophthalic acid

: C7H10N2*C8H2Cl4O4

Conditions

Conditions	Yield
In methanol for 432h;	82.15%

: 553-26-4
4,4'-bipyridine

: 632-58-6
tetrachlorophthalic acid

: 7732-18-5
water

: cobalt(II) perchlorate hexahydrate

: C8Cl4O4(2-)*Co(2+)*C10H8N2*2H2O

Conditions

Conditions	Yield
With potassium hydroxide at 20 - 120℃; for 72h; Autoclave;	81%

...Expand

: 109-12-6
2-aminopyrimidine

: 632-58-6
tetrachlorophthalic acid

: C4H5N3*C8H2Cl4O4

Conditions

Conditions	Yield
In ethanol; water at 20℃; for 0.25h;	80%

: 64-17-5
ethanol

: 632-58-6
tetrachlorophthalic acid

: 7732-18-5
water

: 10108-64-2
cadmium(II) chloride

: {[Cd(tetrachlorophthalate)(H2O)2]·EtOH}n

Conditions

Conditions	Yield
for 0.5h;	75%

...Expand

: 123-39-7
N-Methylformamide

: 632-58-6
tetrachlorophthalic acid

: 7732-18-5
water

: 6156-78-1
manganese (II) acetate tetrahydrate

: Mn(3,4,5,6-tetrachloro-1,2-benzenedicarboxylic acid)(N-methylformamide)2(H2O)2

Conditions

Conditions	Yield
for 0.5h;	70%

...Expand

: 123-39-7
N-Methylformamide

: 632-58-6
tetrachlorophthalic acid

: 6156-78-1
manganese (II) acetate tetrahydrate

: Mn(3,4,5,6-tetrachloro-1,2-benzenedicarboxylic acid)(N-methylformamide)2(H2O)2

Conditions

Conditions	Yield
In water for 0.5h;	70%
In water for 0.5h;	70%

...Expand

: copper(II) choride dihydrate

: 632-58-6
tetrachlorophthalic acid

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: [Cu(1,2-HBDC-Cl4)2(DMF)2]

Conditions

Conditions	Yield
In water at 20℃; for 0.25h;	70%

...Expand

: 632-58-6
tetrachlorophthalic acid

: 201742-17-8
tris(4-N,N-dimethylaminophenyl)antimony

: [(4-N,N-dimethylaminophenyl)3Sb(OC(O)C6Cl4C(O)O)]

Conditions

Conditions	Yield
With hydrogen peroxide In diethyl ether; water byproducts: water; addn. of aq. 30.0% soln. of H2O2 to mixt. of tris(4-N,N-dimethylaminophenyl)antimony and HOC(O)C6Cl4C(O)OH in ether, standing at 20°C for18.0 h; filtration, drying;	69%

: 632-58-6
tetrachlorophthalic acid

: 18299-54-2
ethylenediamine hydrochloride

: 2C8H2Cl4O4*C2H8N2

Conditions

Conditions	Yield
In acetone at 20℃; for 0.25h;	68%

: 61-82-5
3(5)-amino-1,2,4-triazole

: 632-58-6
tetrachlorophthalic acid

: C2H4N4*C8H2Cl4O4

Conditions

Conditions	Yield
In tetrahydrofuran; water for 0.25h;	67%

: 632-58-6
tetrachlorophthalic acid

: 6156-78-1
manganese (II) acetate tetrahydrate

: C16H18Cl8Mn2O17*H2O

Conditions

Conditions	Yield
In ethanol; water for 0.5h;	65%

: 632-58-6
tetrachlorophthalic acid

: 1515870-17-3
1,4-bis[(1,2,4-triazole-1-yl)methyl]-2,3,5,6-tetrafluorobenzene

: 7732-18-5
water

: 6147-53-1
cobalt(II) diacetate tetrahydrate

: {[Co(tcpa)(Fbtx)(H2O)2]·0.5H2O}n

Conditions

Conditions	Yield
at 20 - 140℃; for 48.96h; High pressure; Autoclave;	65%

...Expand

: 67-56-1
methanol

: 66-71-7
1,10-Phenanthroline

: 632-58-6
tetrachlorophthalic acid

: 2C8H2Cl4O4*C12H8N2*CH4O

Conditions

Conditions	Yield
In water for 0.25h;	64%

...Expand

: 632-58-6
tetrachlorophthalic acid

: 3977-29-5
2-amino-6-methylpyrimidin-4-ol

: 2C5H7N3O*C8H2Cl4O4*2H2O

Conditions

Conditions	Yield
With water In ethanol for 0.25h;	62%

: 177428-71-6
1,2-bis((2-methyl-1H-imidazol-1-yl)methyl)benzene

: 632-58-6
tetrachlorophthalic acid

: C16H18N4*C8H2Cl4O4*2H2O

Conditions

Conditions	Yield
With water In ethanol	62%

: 51-17-2
benzoimidazole

: 632-58-6
tetrachlorophthalic acid

: C8H2Cl4O4*C7H6N2*H2O

Conditions

Conditions	Yield
With water In ethanol; water at 20℃; for 0.25h;	53%

: nickel(II) chloride hexahydrate

: 632-58-6
tetrachlorophthalic acid

: 7732-18-5
water

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: {[Ni(1,2-BDC-Cl4)(H2O)5]*DMF*H2O}

Conditions

Conditions	Yield
at 20℃; for 0.25h;	50%

...Expand

: copper(II) acetate tetrahydrate

: 632-58-6
tetrachlorophthalic acid

: 1135-32-6
trans-1,2-bis(4-pyridyl)ethylene

: {[Cu(tetrachlorophthalic acid(-2H))(1,2-di(4-pyridyl)ethylene)]}n

Conditions

Conditions	Yield
In water at 120℃; for 96h; Autoclave; High pressure;	45%

...Expand

: lanthanum(III) nitrate hexahydrate

: 64-17-5
ethanol

: 632-58-6
tetrachlorophthalic acid

: {[La2(3,4,5,6-tetrachloro-1,2-benzenedicarboxylate)3(H2O)4]·ethanol}n

Conditions

Conditions	Yield
With sodium hydroxide In water; N,N-dimethyl-formamide at 85℃; for 72h; Sealed tube;	42%

...Expand

: 617-84-5
N-formyldiethylamine

: 632-58-6
tetrachlorophthalic acid

: 7732-18-5
water

: 6156-78-1
manganese (II) acetate tetrahydrate

: [Mn2(3,4,5,6-tetrachloro-1,2-benzenedicarboxylic acid)2(N,N-diethylformamide)2(H2O)6]*2H2O

Conditions

Conditions	Yield
for 0.5h;	40%

...Expand

: 617-84-5
N-formyldiethylamine

: 632-58-6
tetrachlorophthalic acid

: 6156-78-1
manganese (II) acetate tetrahydrate

: [Mn2(3,4,5,6-tetrachloro-1,2-benzenedicarboxylato)2(N,N-diethylformamide)(H2O)6]*2H2O

Conditions

Conditions	Yield
In water for 0.5h;	40%

...Expand

: 617-84-5
N-formyldiethylamine

: 632-58-6
tetrachlorophthalic acid

: 6156-78-1
manganese (II) acetate tetrahydrate

: [Mn2(3,4,5,6-tetrachloro-1,2-benzenedicarboxylic acid)2(N,N-diethylformamide)2(H2O)6]*2H2O

Conditions

Conditions	Yield
In water for 0.5h;	40%

...Expand

: 632-58-6
tetrachlorophthalic acid

: 6156-78-1
manganese (II) acetate tetrahydrate

: potassium nitrate

: Mn(2+)*2K(1+)*2C8Cl4O4(2-)*4H2O

Conditions

Conditions	Yield
In ethanol; water for 0.5h;	40%

...Expand

: 632-58-6
tetrachlorophthalic acid

: 7732-18-5
water

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 10108-64-2
cadmium(II) chloride

: {[Cd(1,2-HBDC-Cl4)2(H2O)4]*2DMF}

Conditions

Conditions	Yield
at 20℃; for 0.25h;	40%

...Expand

: 82410-79-5
1,1'-[1,4-phenylenebis(methylene)]bis(2-methyl-1H-imidazole)

: 632-58-6
tetrachlorophthalic acid

: C16H18N4*2C8H2Cl4O4

Conditions

Conditions	Yield
With nickel(II) nitrate In 1-methyl-pyrrolidin-2-one; water at 120℃; for 72h;	38%

: 366-18-7
[2,2]bipyridinyl

: copper(II) choride dihydrate

: 632-58-6
tetrachlorophthalic acid

: triaqua-bis(2,2′-bipyridine-N,N′)(μ2-tetrachlorophthalato-O,O″)(tetrachlorophthalato-O)dicopper(II)

Conditions

Conditions	Yield
With potassium hydroxide In methanol; water at 80℃; for 4h; pH=7.5;	35%

...Expand

: 67-56-1
methanol

: 632-58-6
tetrachlorophthalic acid

: 20098-41-3
dimethyl 3,4,5,6-tetrachlorophthalate

Conditions

Conditions	Yield
With sulfuric acid for 18.1667h; Reflux;	35%

Tetrachlorophthalic acid Chemical Properties

Molecular Formula: C₈H₂Cl₄O₄
Molar mass: 303.9111 g/mol
Density: 1.872 g/cm³
Melting point: 98°C
Flash Point: 219.4 °C
Index of Refraction: 1.656
Water solubility: Sparingly soluble
Boiling Point: 439.1 °C at 760 mmHg
Vapour Pressure: 1.73E-08 mmHg at 25°C
Stability: Stable. Incompatible with strong oxidizing agents.
Structure of Tetrachlorophthalic acid(632-58-6):

Synonyms of Tetrachlorophthalic acid(632-58-6): 3,4,5,6-Tetrachlorophthalic acid;Phthalic acid, perchloro-;Phthalic acid, tetrachloro-;1,2-benzenedicarboxylic acid, 3,4,5,6-tetrachloro-
Product Categories of Tetrachlorophthalic acid(632-58-6):Phthalic Acids, Esters and Derivatives

Tetrachlorophthalic acid Uses

Tetrachlorophthalic acid(632-58-6) can be used for for medicines', dyes' and other organic synthesis' intermediates.

Tetrachlorophthalic acid Toxicity Data With Reference

1. mouse LD50 oral 4640mg/kg (4640mg/kg)
Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 1, Pg. 283, 1976.

Tetrachlorophthalic acid Consensus Reports

Reported in EPA TSCA Inventory.

Tetrachlorophthalic acid Safety Profile

Slightly toxic by ingestion. When heated to decomposition it emits toxic vapors of Cl⁻.
Risk Statements:
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements:
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection

Product Name

Tetrachlorophthalic acid

Synthetic route

Tetrachlorophthalic acid Chemical Properties

Tetrachlorophthalic acid Uses

Tetrachlorophthalic acid Toxicity Data With Reference

Tetrachlorophthalic acid Consensus Reports

Tetrachlorophthalic acid Safety Profile

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