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Phthalic Acid

Phthalic acid (C6H4(CO2H)2) is a dibasic, aromatic dicarboxylic acid and one of three isomers of benzenedicarboxylic acid. In its anhydrous form, phthalic acid is used to produce other chemicals such as dyes, perfumes, saccharin, and phthalates.
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1

Phthalic acid, ACS, 99.5+%

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

PubChem CID 1017
CAS 88-99-3
Molecular Weight (g/mol) 166.132
ChEBI CHEBI:29069
MDL Number MFCD00002467
SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)O
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
IUPAC Name phthalic acid
InChI Key XNGIFLGASWRNHJ-UHFFFAOYSA-N
Molecular Formula C8H6O4
2

Phthalic acid, 99%

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

PubChem CID 1017
CAS 88-99-3
Molecular Weight (g/mol) 166.132
ChEBI CHEBI:29069
MDL Number MFCD00002467
SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)O
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
IUPAC Name phthalic acid
InChI Key XNGIFLGASWRNHJ-UHFFFAOYSA-N
Molecular Formula C8H6O4
3

Phthalic acid, 99%

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

PubChem CID 1017
CAS 88-99-3
Molecular Weight (g/mol) 166.132
ChEBI CHEBI:29069
MDL Number MFCD00002467
SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)O
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
IUPAC Name phthalic acid
InChI Key XNGIFLGASWRNHJ-UHFFFAOYSA-N
Molecular Formula C8H6O4
4

Phthalic Acid 99.0+%, TCI America™

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

PubChem CID 1017
CAS 88-99-3
Molecular Weight (g/mol) 166.132
ChEBI CHEBI:29069
MDL Number MFCD00002467
SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)O
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
IUPAC Name phthalic acid
InChI Key XNGIFLGASWRNHJ-UHFFFAOYSA-N
Molecular Formula C8H6O4
5

Sigma Aldrich Phthalic Acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
RTECS Number TH9625000
6

Sigma Aldrich Phthalic Acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
Linear Formula C6H4-1,2-(CO2H)2
CAS 88-99-3
Molecular Weight (g/mol) 166.13 g/mol
MDL Number MFCD00002467
Synonym 1,2-Benzenedicarboxylic acid
RTECS Number TH9625000
Recommended Storage Room Temperature
Molecular Formula C8H6O4
EINECS Number 201-873-2
Melting Point 210°C to 211°C
7

Sigma Aldrich Phthalic Acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
CAS 1080-06-4
8

Sigma Aldrich Phthalic acid dipotassium salt

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
CAS 4409-98-7
9

Cambridge Isotope Laboratories Phthalic acid (carboxyl-13C 99%) 0 5 g

Phthalic acid (carboxyl-13C 99%) 0 5 g

ENCOMPASS
10

eMolecules​ 87976-26-9 | Phthalic-3,4,5,6-d4 acid | Oakwood Chemical | MFCD00084172 | 170.156 | C8H6O4 | 98.000 | [2H]c1c([2H])c([2H])c(C(O)=O)c(c1[2H])C(O)=O | 1g | 537709774

Phthalic-3,4,5,6-d4 acid | Oakwood Chemical | 87976-26-9 | MFCD00084172 | 170.156 | C8H6O4 | 98.000 | [2H]c1c([2H])c([2H])c(C(O)=O)c(c1[2H])C(O)=O | 1g | 537709774

ENCOMPASS_PREFERRED
11

eMolecules​ 85-44-9 | Phthalic Anhydride | Oakwood Chemicals | MFCD00005918 | 148.117 | C8H4O3 | 99.000 | O=C1OC(=O)c2ccccc12 | 500g | 480143771

Phthalic Anhydride | Oakwood Chemicals | 85-44-9 | MFCD00005918 | 148.117 | C8H4O3 | 99.000 | O=C1OC(=O)c2ccccc12 | 500g | 480143771

ENCOMPASS_PREFERRED
12

eMolecules​ 85-44-9 | Phthalic anhydride | Combi-Blocks | MFCD00005918 | 148.117 | C8H4O3 | 98.000 | O=C1OC(=O)c2ccccc12 | 500g | 335344654

Phthalic anhydride | Combi-Blocks | 85-44-9 | MFCD00005918 | 148.117 | C8H4O3 | 98.000 | O=C1OC(=O)c2ccccc12 | 500g | 335344654

ENCOMPASS_PREFERRED
13

eMolecules​ 85-44-9 | Phthalic Anhydride | Oakwood Chemicals | MFCD00005918 | 148.117 | C8H4O3 | 99.000 | O=C1OC(=O)c2ccccc12 | 25g | 480143769

Phthalic Anhydride | Oakwood Chemicals | 85-44-9 | MFCD00005918 | 148.117 | C8H4O3 | 99.000 | O=C1OC(=O)c2ccccc12 | 25g | 480143769

ENCOMPASS_PREFERRED
14

eMolecules​ 85-44-9 | Phthalic Anhydride | Oakwood Chemicals | MFCD00005918 | 148.117 | C8H4O3 | 99.000 | O=C1OC(=O)c2ccccc12 | 5g | 480143767

Phthalic Anhydride | Oakwood Chemicals | 85-44-9 | MFCD00005918 | 148.117 | C8H4O3 | 99.000 | O=C1OC(=O)c2ccccc12 | 5g | 480143767

ENCOMPASS_PREFERRED
15

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000429752 PHTHALIC ACID 1G

ENCOMPASS_PREFERRED