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8.00762

Terephthalic acid

Name: Terephthalic acid
Brand: MM

for synthesis

Synonym(s):

Terephthalic acid, 1,4-Benzenedicarboxylic acid, p-Phthalic acid

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About This Item

Linear Formula:

C₆H₄-1,4-(COOH)₂

CAS Number:

100-21-0

Molecular Weight:

166.13

UNSPSC Code:

12352106

EC Index Number:

202-830-0

NACRES:

NA.22

MDL number:

MFCD00002558

Assay:

≥98% (acidimetric)

Form:

crystalline

Grade:

synthesis grade

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Properties

grade

synthesis grade

Quality Level

200

assay

≥98% (acidimetric)

form

crystalline

autoignition temp.

496 °C

potency

>6400 mg/kg LD₅₀, oral (Rat)

mp

402 °C (sublimed)

solubility

15 mg/L (experimental)

density

1.51 g/cm³ at 20 °C

storage temp.

2-30°C

SMILES string

[O-]C(=O)c1ccc(cc1)C(=O)[O-].[H+].[H+]

InChI

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

InChI key

KKEYFWRCBNTPAC-UHFFFAOYSA-N

Description

Application

Biotransformation of p-xylene into terephthalic acid by engineered Escherichia coli: This study explores an alternative production method for terephthalic acid (TPA) that could be less energy-intensive and safer than traditional methods. It reports the successful bioconversion of p-xylene into TPA using genetically engineered E. coli, highlighting a potential sustainable approach to TPA production (Luo & Lee, 2017).

Synthesis and verification of biobased terephthalic acid from furfural: This research presents a novel synthetic pathway for producing TPA from biomass-derived furfural. It represents a significant step towards sustainable chemical production, providing a greener alternative to petrochemical routes (Tachibana, Kimura & Kasuya, 2015).

Studies on the solubility of terephthalic acid in ionic liquids: Focused on identifying better solvents for TPA, this study investigates the solubility of TPA in various ionic liquids. The findings could lead to improved processing techniques for TPA in industrial applications (Matuszek et al., 2019).

Engineering terephthalic acid product from recycling of PET bottles: This study explores the depolymerization of PET into TPA and ethylene glycol, highlighting a sustainable approach to recycle PET waste and reduce reliance on petrochemicals (Lee, Chiu & Lee, 2021).

Biobased terephthalic acid technologies - a literature review: Reviews various biobased approaches to produce TPA, focusing on the potential of renewable feedstocks to replace traditional petrochemical routes. This comprehensive review discusses different biotechnological and chemical methods to synthesize TPA from bio-based sources (Collias et al., 2014).

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Identity (IR): passes test

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c