79255
Phthalic acid
analytical standard
Sinónimos:
1,2-Benzenedicarboxylic acid
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Fórmula lineal:
C6H4-1,2-(CO2H)2
Número CAS:
Peso molecular:
166.13
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
EC Number:
201-873-2
Beilstein/REAXYS Number:
608199
MDL number:
Servicio técnico
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analytical standard
Quality Level
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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Danger
hcodes
Hazard Classifications
Eye Dam. 1
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
334.4 °F
flash_point_c
168 °C
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Separation and identification of the organic acids in Angelicae Radix and Ligustici Rhizoma by HPLC and CE
Huang Y-W and Sheu J-S
Journal of Separation Science, 29(17), 2616-2624 (2006)
Analysis of bioactive chemical compounds of Nigella sativa using gas chromatography-mass spectrometry
Hadi YM, et al.
Journal of pharmacognosy and phytotherapy, 8(2), 8-24 (2016)
Characterization of alkaloid constitution and evaluation of antimicrobial activity of Solanum nigrum using gas chromatography mass spectrometry (GC-MS)
Jasim H, et al.
Journal of pharmacognosy and phytotherapy, 7(4), 56-72 (2015)