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Sigma-Aldrich® Phthaldialdehyde for synthesis

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MT-CM-821027.0010

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Linear Formula:  C6H4-1,2-(CHO)2

CAS Number:  643-79-8

Molecular Weight:  134.13

MDL number:  MFCD00003335

UNSPSC Code:  12352114

EC Index Number:  211-402-2

NACRES:  NA.22

Quality Level:  200

Assay:  ≥97.5% (GC)

Form:  solid

autoignition temp.:  480 °C

potency:

178 mg/kg LD50, oral (Rat)

>2000 mg/kg LD50, skin (Rat)

pH:  7 (20 °C, 53 g/L in H2O)

bp:  83-84 °C/1 hPa

mp:  52-58 °C

transition temp:  flash point 132 °C

solubility:  53 g/L

density:  1.13 g/cm3 at 20 °C

bulk density:  530 kg/m3

storage temp.:  2-30°C

SMILES string:  O=Cc1c(cccc1)C=O

InChI: :  1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H

InChI key:  ZWLUXSQADUDCSB-UHFFFAOYSA-N

Application



  • An investigation of o-phthaldialdehyde as a derivatization reagent and optimization of instrumental parameters for qualitative amino acid profiling via UPLC-UV Detailed examination of o-phthaldialdehyde′s efficiency in amino acid profiling to enhance diagnostic accuracies for metabolic diseases like AKU and PKU (A Aspö - 2023). Access the study.



  • Correlation of the Free Amino Nitrogen and Nitrogen by O-Phthaldialdehyde Methods in the Assay of Beer This research correlates nitrogen content measurements in beer using the o-phthaldialdehyde method, discussing its implications for brewing quality control (L Otama, S Tikanoja, H Kane, S Hartikainen, L Kaski - Date not specified). Access the study.



  • Turn-on fluorescence detection of glutathione based on o-phthaldialdehyde-assisted SiO2 particles Investigation into a novel fluorometric method for detecting glutathione in supplements using o-phthaldialdehyde and functionalized silica particles (P Nedeljko, M Turel, A Lobnik - 2018). Access the study.



  • Biochemical Measures of Neuropathy-Glutathione Assay (GSH) A study on the biochemical assessment of neuropathy by measuring glutathione levels using o-phthaldialdehyde in a methanol solution, emphasizing the methodology′s sensitivity and reliability (E Feldman - 2019). Access the study.

 

Analysis Note

Assay (GC, area%): ≥ 97.5 % (a/a)

Melting range (lower value): ≥ 52 °C

Melting range (upper value): ≤ 56 °C

Identity (IR): passes test