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Merck
CN

P39303

Phthalic acid

reagent grade, 98%, crystalline powder, powder

Synonym(s):

1,2-Benzenedicarboxylic acid

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About This Item

Linear Formula:
C6H4-1,2-(CO2H)2
CAS Number:
Molecular Weight:
166.13
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
201-873-2
MDL number:
Beilstein/REAXYS Number:
608199
Assay:
98%
Form:
crystalline powder, powder
Grade:
reagent grade
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Product Name

Phthalic acid, reagent grade, 98%

grade

reagent grade

Quality Level

assay

98%

form

crystalline powder, powder

mp

210-211 °C (dec.) (lit.)

functional group

carboxylic acid

SMILES string

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

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

General description

Phthalic acid (PA) is the final metabolite of phthalic acid esters (PAEs). Its interaction with well-ordered MgO(100) (magnesium oxide) thin films has been investigated. The efficiency of activated carbon suspended in aqueous medium for the adsorption of PA has been analyzed. The degradation of PA via oxidation by electro-Fenton (EF) and solar photoelectro-Fenton (SPEF) has been reported.

Application

Phthalic acid may be used as an additive to the mobile phase to enhance the detection sensitivity of amino acids (AAs) by hydrophilic interaction liquid chromatography (HILIC) coupled with electrospray ionization tandem mass spectrometry (ESI-MS/MS).


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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

334.4 °F

flash_point_c

168 °C

ppe

dust mask type N95 (US), Eyeshields, Gloves



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Adsorption/bioadsorption of phthalic acid, an organic micropollutant present in landfill leachates, on activated carbons.
Mendez-Diaz JD, et al.
Journal of Colloid and Interface Science, 369(1), 358-365 (2012)
Benzoic Acid and Phthalic Acid on Atomically Well-Defined MgO(100) Thin Films: Adsorption, Interface Reaction, and Thin Film Growth.
Xu T, et al.
The Journal of Physical Chemistry C, 119(48), 26968-26979 (2015)
Mineralization of phthalic acid by solar photoelectro-Fenton with a stirred boron-doped diamond/air-diffusion tank reactor: Influence of Fe3+ and Cu2+ catalysts and identification of oxidation products.
Garcia-Segura S, et al.
Electrochimica Acta, 113, 609-619 (2013)



Global Trade Item Number

SKUGTIN
P39303-100G04061834373315
P39303-1KG04061835253630