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79255

Phthalic acid

analytical standard

Synonym(s):

1,2-Benzenedicarboxylic acid

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Size/SKUAvailabilityPrice
100 mg
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$79.40

About This Item

Linear Formula:
C6H4-1,2-(CO2H)2
CAS Number:
Molecular Weight:
166.13
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
EC Number:
201-873-2
Beilstein/REAXYS Number:
608199
MDL number:

$79.40


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grade

analytical standard

Quality Segment

assay

≥99.5% (GC), ≥99.5% (T)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤0.5% water

mp

210-211 °C (dec.) (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

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 is an organic acid and a major bioactive component, reportedly identified in the extracts of Solanum nigrum, Nigella sativa, Angelicae Radix and Ligustici Rhizoma, utilized as Chinese herbal medicines.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Phthalic acid may be used as an analytical reference standard for the quantification of the analyte in the following:
  • Angelicae Radix and Ligustici Rhizoma using high performance liquid chromatography with photodiode array detection (HPLC-PDA) followed by liquid chromatography coupled to mass spectrometry (LC-MS) and capillary electrophoresis (CE) analyses.
  • Nigella sativa and Solanum nigrum using gas chromatography-mass spectrometry (GC-MS).

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

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This Item
P39303402915Y0000766
description

analytical standard

description

reagent grade, 98%

description

ACS reagent, ≥99.5%

description

European Pharmacopoeia (EP) Reference Standard

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

-

technique(s)

-

technique(s)

-

grade

analytical standard

grade

reagent grade

grade

ACS reagent

grade

pharmaceutical primary standard

format

neat

format

-

format

-

format

neat

application(s)

cleaning products
cosmetics
food and beverages
personal care

application(s)

-

application(s)

-

application(s)

pharmaceutical (small molecule)

shelf life

limited shelf life, expiry date on the label

shelf life

-

shelf life

-

shelf life

-

assay

≥99.5% (GC), ≥99.5% (T)

assay

98%

assay

≥99.5%

assay

-


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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



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