Phthalic acid, 99%, Thermo Scientific Chemicals

Name: Phthalic acid, 99%, Thermo Scientific Chemicals
SKU: ALFA14450.30

CAS: 88-99-3 | C8H6O4 | 166.132 g/mol

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Catalog number ALFA14450.30

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Chemical Identifiers

CAS4023-34-1

IUPAC Namecyclopropanecarbonyl chloride

Molecular FormulaC4H5ClO

InChI KeyZOOSILUVXHVRJE-UHFFFAOYSA-N

SMILESClC(=O)C1CC1

Specifications

Specification Sheet

Infrared spectrumConforms

Appearance (Form)Liquid

Titration RCOCl>=97.5 %

Refractive index1.4515 to 1.4535 (20°C, 589 nm)

Appearance (Color)Clear colorless to light yellow

Phthalic acid is used as an active ingredient in polyesters and alkyd resins. It is also used as plasticizers for polyvinyl chloride and other polymers. It is also useful in the production of anthraquinone, phenolphthalein and phthalocyanine pigments. It serves as an organic reagent in the production of phthalates. It is used to prepare 1,3-cyclohexadiene by reduction using sodium amalgam.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Phthalic acid is used as an active ingredient in polyesters and alkyd resins. It is also used as plasticizers for polyvinyl chloride and other polymers. It is also useful in the production of anthraquinone, phenolphthalein and phthalocyanine pigments. It serves as an organic reagent in the production of phthalates. It is used to prepare 1,3-cyclohexadiene by reduction using sodium amalgam.

Solubility
Soluble in water, alcohol and etherSoluble in alcohol. Slightly soluble in water, methanol and ether. Insoluble in chloroform.

Notes
Incompatible with strong oxidizing agents.

RUO – Research Use Only

General References:

La Nasa, J.; Degano, I.; Modugno, F.; Colombini, M. P. Industrial alkyd resins: characterization of pentaerythritol and phthalic acid esters using integrated mass spectrometry. Rapid Commun. Mass Spectrom. 2015, 29 (3), 225-237.
Tummanapelli, A. K.; Vasudevan, S. Estimating successive pKa values of polyprotic acids from ab initio molecular dynamics using metadynamics: the dissociation of phthalic acid and its isomers. Phys. Chem. Chem. Phys. 2015, 17 (9), 6383-6388.