phthalic anhydride structure formula

Organic acid anhydride

An organic acid anhydride [citation needed] is an acid anhydride that is an organic compound An acid anhydride is a compound that has two acyl groups bonded to the same oxygen atom A common type of organic acid anhydride is a carboxylic anhydride where the parent acid is a carboxylic acid the formula of the anhydride being (RC(O)) 2 O Symmetrical

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phthalic anhydride physical

phthalic anhydride physical properties suppliers CAS MSDS structure Molecular Formula Molecular Weight Solubility boiling point melting point Home Products Search Properties Search : Home Dictionary Information: phthalic anhydride Molecular formula : MW : CAS : nature : commonly known as phthalic anhydride The white needle-like crystals The relative

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Synthetic of Phthalimides via the reaction of phthalic

Synthetic of Phthalimides via the reaction of phthalic anhydride with amines and evaluating of its biological and anti corrosion activity Khuluod Fahed Hamak * Chemistry Department College of Science – Damascus University Damascus Syria *Corres author: khlood hamakyahoo Abstract: A series of phthalimide (I-VI) were prepared in satisfactory yields by reaction of phthalic anhydride

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Phthalic anhydride

Phthalic anhydride: 1 3-Isobenzofurandione Phthalic acid anhydride 1 2-Benzenedicarboxylic acid anhydride 1 3 Dixophthalan Formula: C 8 H 4 O 3: Structure: Description: Thin white flakes with a characteristic choking odor Uses: Manufacture phthaleins phthalates benzoic acid synthetic indigo artificial resins (glyptal)

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Organic acid anhydride

An organic acid anhydride [citation needed] is an acid anhydride that is an organic compound An acid anhydride is a compound that has two acyl groups bonded to the same oxygen atom A common type of organic acid anhydride is a carboxylic anhydride where the parent acid is a carboxylic acid the formula of the anhydride being (RC(O)) 2 O Symmetrical

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Phthalic anhydride supplier

Phthalic anhydride is the organic compound with the formula C 6 H 4 (CO) 2 O It is moisture sensitive that is somewhat soluble in water This chemical is stable but combustible and incompatible with strong oxidizing agents strong bases moisture strong acids Phthalic anhydride usually reacts slowly with water to form phthalic acid and heat

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Formula : C8H4O3

Formula : C8H4O3 Molecular Weight : 148 1 CAS Registry Number : 85-44-9 Abbreviation : PA(Phthalic anhydride) Molecular Structure : Properties: Description: Phthalic Anhydride is the anhydride of phthalic acid(1 2-Dibenzoic acid) It is produced by the oxidation of ortho-Xylene It forms white crystal at the room temperature Its molten is a colorless clear liquid In

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Phthalic anhydride

Molecular formula The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance This information is only displayed if the substance is well–defined its identity is not claimed confidential and there is sufficient information available in ECHA's databases for

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Phthalic anhydride ACS reagent ≥99%

Phthalic anhydride ACS reagent ≥99% CAS Number 85-44-9 Empirical Formula (Hill Notation) C 8 H 4 O 3 Molecular Weight 148 12 Beilstein/REAXYS Number 118515 EC Number 201-607-5 MDL number MFCD00005918 PubChem Substance ID 24859242 NACRES NA 21

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Reaction of Phthalic Anhydride and Ethylenediamine

from product II the formula can be drawn C 18H 12N 2O 4 Reaction mechanism: As discussed above the reaction of phthalic anhydride and ethylenediamine can result in a number of products By analysing the chemical structures of these two reactants with two functional groups theoretically we found that there are 14 compounds which may be produced

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System of Registries

Distillation bottoms from the production of phthalic anhydride from ortho-xylene Distillation bottoms from the production of phthalic anhydride from ortho-xylene E741520: 05/15/2000: Distillation light ends from the production of phthalic anhydride from ortho-xylene Distillation light ends from the production of phthalic anhydride from ortho

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Phthalic acid

Phthalic acid is produced by the catalytic oxidation of naphthalene or ortho-xylene directly to phthalic anhydride and a subsequent hydrolysis of the anhydride Phthalic acid was first obtained by French chemist Auguste Laurent in 1836 by oxidizing naphthalene tetrachloride Believing the resulting substance to be a naphthalene derivative he named it naphthalic acid After the

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Phthalic acid

Phthalic acid is an aromatic dicarboxylic acid with formula C 6 H 4 (CO 2 H) 2 It is an isomer of isophthalic acid and terephthalic acid Although phthalic acid is of modest commercial importance the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale Phthalic acid is one of three isomers of benzenedicarboxylic acid the others being

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Phthalic anhydride

Phthalic anhydride is the organic compound with the formula C 6 H 4 (CO) 2 O It is the anhydride of phthalic acid Phthalic anhydride is a principal commercial form of phthalic acid It was the first anhydride of a dicarboxylic acid to be used commercially This white solid is an important industrial chemical especially for the large-scale production of plasticizers for

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Phthalic Anhydride (C8H4O3) Chemical Data

Phthalic Anhydride (C 8 H 4 O 3) Chemical Data chemical compound 2-benzofuran-1 3-dione isobenzofuran-1 3-dione 1 2-benzenedicarboxylic anhydride PAN phthalic acid anhydride 1 3-dioxophthalan 1 2-benzenedicarboxylic acid anhydride o-phthalic acid anhydride 1 3-phthalandione 1 3-isobenzofurandione ortho-phthalic acid anhydride

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Phthalic anhydride

Molecular structure The molecular structure is based on structures generated from information available in ECHA's databases If generated an InChI string will also be generated and made available for searching This information is only displayed if the substance is well-defined its identity is not claimed confidential and there is sufficient information available in ECHA's

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Nomenclature of Anhydrides

Nomenclature of Anhydrides Last updated Save as PDF Page ID 5906 Symmetrical anhydrides Unsymmetrical acid anhydrides Common names that you should know Contributors The acid anhydride functional group results when two carboxylic acids combine and lose water (anhydride = without water)

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Phthalic acid

Phthalic anhydride is the organic compound with the formula C 6 H 4 (CO) 2 O It is the anhydride of phthalic acid Phthalic anhydride is a principal commercial form of phthalic acid It was the first anhydride of a dicarboxylic acid to be used commercially This white solid is an important industrial chemical especially for the large-scale production of plasticizers for plastics In 2000

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PhthalicAnhydride Data Sheet 7 2103

Structure Chemical Inventory Phthalic Anhydride appears on the following chemical inventories: United States (TSCA) 85-44-9 Clearances Australia (AICS) 85-44-9 Canada (DSL) 85-44-9 China (IECSC) 85-44-9 European Union (EINECS) 201-607-5 Japan (ENCS) (3) -1344 (ISHL) (3-) 1344 Korea (KECI) 85-44-9 New Zealand (NZloC) 85-44-9 and Philippines (PICCS) 85-44-9 Applications Stepan Phthalic

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Phthalic Anhydride

Phthalic anhydride (PA) Molecular formulae with the melting and boiling points some polybasic acids used in polyesters Polybasic acid Structure Melting point (C) Boiling point (C) Adipic acid: 152 1: 337 5: Azalic acid: 109–111: 286 5 (100 mm Hg) Benzophenone tetracarboxylic dianhydride: 227–236: sublimes: Chlorendic anhydride: 235–239: 466: Citric acid: 153: 175

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Phthalic anhydride

Acetic anhydride or ethanoic anhydride is the chemical compound with the formula (CH 3 CO) 2 O Commonly abbreviated Ac 2 O it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis It is a colorless liquid that smells strongly of acetic acid which is formed by its reaction with moisture in the air

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Phthalic anhydride

Substance Information Substance Infocard See a problem or have feedback? IC RSS Phthalic anhydride Regulatory process names 1 Translated names 21 CAS names 1 IUPAC names 12 Trade names 28 Other identifiers 3 Print infocard Open Brief Profile Open Substance Regulatory Obligations Substance identity Substance identity The 'Substance identity' section

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Production of phthalic anhydride from xylene

Production of phthalic anhydride from xylene 1 1 | P a g e King Fahd Unvesity of Petroleum and Minerals College of engineering sciences and applied engineering Department of Chemical Engineering CHE 495: Integrated Design Course Final Report Production of Phthalic Anhydride from O-Xylene Prepared by: Group: 2 1

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Phthalic Anhydride

Phthalic Anhydride (PA) CAS: 85-44-9 Phthalic Anhydride is a white solid flakes or molten liquid with the molecular formula C 8 H 4 O 3 It's the principal form of phthalic acid and important industrial chemical of plasticizers for plastics Phthalic Anhydride Chemical Structure Composition Production Phthalic Anhydride is obtained by catalytic reforming of ortho

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