Phthalic acid, ACS, 99.5+%, Thermo Scientific Chemicals

Description

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.

Specifications

Chemical Identifiers

• CAS: 88-99-3
• Molecular Formula: C8H6O4
• Molecular Weight (g/mol): 166.132
• MDL Number: MFCD00002467
• InChI Key: XNGIFLGASWRNHJ-UHFFFAOYSA-N
• Synonym: 1,2-benzenedicarboxylic acid, benzene-1,2-dicarboxylic acid, o-phthalic acid, o-dicarboxybenzene, o-benzenedicarboxylic acid, pathalic acid, acide phtalique, kyselina ftalova, ortho-phthalic acid, phthalicacid
• PubChem CID: 1017
• ChEBI: CHEBI:29069
• IUPAC Name: phthalic acid
• SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)O

• Melting Point: 205°C (decomposition)
• Color: White
• Assay Percent Range: >99.5%
• Beilstein: 608199
• Merck Index: 14,7371
• Solubility Information: Soluble in alcohol. Slightly soluble in water,methanol and ether. Insoluble in chloroform.
• Formula Weight: 166.13
• Percent Purity: ≥99.5%
• Grade: ACS
• Density: 1.593 g/mL
• Quantity: 500 g
• Flash Point: 168°C (334°F)
• Odor: Odorless
• Physical Form: Crystalline Powder
• Chemical Name or Material: Phthalic acid

Safety and Handling

Hazard Category	H315-H318-H335
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P310-P312-P332+P313-P362-P501c
EINECSNumber	201-873-2
RTECSNumber	TH9625000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only