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Merck

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:
88-99-3
Molecular Weight:
166.13
NACRES:
NA.21
PubChem Substance ID:
24898471
UNSPSC Code:
12352100
EC Number:
201-873-2
MDL number:
MFCD00002467
Beilstein/REAXYS Number:
608199
Assay:
98%
Form:
crystalline powder, powder
Grade:
reagent grade

Key Documents

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Product Name

Phthalic acid, reagent grade, 98%

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

SMILES string

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

grade

reagent grade

assay

98%

form

crystalline powder, powder

mp

210-211 °C (dec.) (lit.)

functional group

carboxylic acid

Quality Level

200

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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).

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H318

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

P39303-100G: + P39303-BULK: + P39303-5G: + P39303-VAR: + P39303-1KG: + P39303-500G:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH9439
BCCG9574
BCCG5265
BCCF8161
BCCD2955

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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)
Du Yeon Bang et al.
Toxicological research, 27(4), 191-203 (2011-12-01)
There has been growing concern about the toxicity of phthalate esters. Phthalate esters are being used widely for the production of perfume, nail varnish, hairsprays and other personal/cosmetic uses. Recently, exposure to phthalates has been assessed by analyzing urine for
Wanshu Qi et al.
Analytica chimica acta, 870, 75-82 (2015-03-31)
In this work, 0.08 mmol L(-1) of phthalic acid was introduced as a mobile phase additive to quantify free amino acids (AAs) by hydrophilic interaction liquid chromatography (HILIC) coupled with electrospray ionization tandem mass spectrometry (ESI-MS/MS). The addition of phthalic
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