Phthalic Acid

Catalog Number

ACM88993-1

CAS

88-99-3

Structure

Synonyms

1,2-Benzenedicarboxylic acid;

IUPAC Name

Phthalic acid

Molecular Weight

166.13

Molecular Formula

C8H6O4

Description

Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)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.

Canonical SMILES

C1=CC=C(C(=C1)C(=O)O)C(=O)O

InChI

InChI=1S/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)

InChI Key

XNGIFLGASWRNHJ-UHFFFAOYSA-N

Boiling Point

214.32 °C

Melting Point

200-205ºC

Flash Point

168ºC

Purity

99%

Density

1.451 g/cm³

Solubility

less than 1 mg/mL at 68° F (NTP, 1992);0.04 M;Soluble in alcohol; sparingly soluble in ether;1 g dissolves in 160 ml water, 10 ml alc, 205 ml ether, 5.3 ml methanol; practically insol in chloroform;In water, 6,965 mg/L at 25 °C;7.01 mg/mL at 25 °C;Solubility in water, g/100ml at 25 °C: 0.625 (poor)

Appearance

White crystals

Storage

Store under inert gas

• Catalog Number: ACM88993-1
• CAS: 88-99-3
• Synonyms: 1,2-Benzenedicarboxylic acid
• IUPAC Name: Phthalic acid
• Molecular Weight: 166.13
• Molecular Formula: C8H6O4
• Description: Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)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.
• Canonical SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)O
• InChI: InChI=1S/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)
• InChI Key: XNGIFLGASWRNHJ-UHFFFAOYSA-N
• Boiling Point: 214.32 °C
• Melting Point: 200-205ºC
• Flash Point: 168ºC
• Purity: 99%
• Density: 1.451 g/cm³
• Solubility: less than 1 mg/mL at 68° F (NTP, 1992);0.04 M;Soluble in alcohol; sparingly soluble in ether;1 g dissolves in 160 ml water, 10 ml alc, 205 ml ether, 5.3 ml methanol; practically insol in chloroform;In water, 6,965 mg/L at 25 °C;7.01 mg/mL at 25 °C;Solubility in water, g/100ml at 25 °C: 0.625 (poor)
• Appearance: White crystals
• Storage: Store under inert gas