Triglycerol

• CAT Number: R027681
• CAS Number: 20411-31-8
• Molecular Formula: C9H20O7
• Molecular Weight: 240.252
• Purity: ≥95%
• Synonyms: 3,3’-[(2-Hydroxy-1,3-propanediyl)bis(oxy)]bis-1,2-propanediol; 3,3’-[(2-Hydroxytrimethylene)dioxy]di-1,2-propanediol; Polyglycerin-3
• Storage: -20°C
• IUPAC Name: 3-[3-(2,3-dihydroxypropoxy)-2-hydroxypropoxy]propane-1,2-diol
• InChI: InChI=1S/C9H20O7/c10-1-7(12)3-15-5-9(14)6-16-4-8(13)2-11/h7-14H,1-6H2
• InChIKey: AGNTUZCMJBTHOG-UHFFFAOYSA-N
• SMILES: C(C(COCC(COCC(CO)O)O)O)O

Triglycerol (CAS 20411-31-8) was used in the synthesis of (poly)glycerol monoethers. It was also used to enhance the chromatographic behavior of the pesticides in tea matrices.

Reference

1. ChemSusChem. 2012 Dec;5(12):2397-409. doi: 10.1002/cssc.201200447. Epub 2012 Sep 23.Selective synthesis of 1-O-alkyl(poly)glycerol ethers by catalytic reductive alkylation of carboxylic acids with a recyclable catalytic system.Sutter M(1), Dayoub W, Métay E, Raoul Y, Lemaire M.

 

(Poly)glycerol monoethers were synthesized in good yield and selectivity by the catalytic reductive alkylation of glycerol, diglycerol, and triglycerol with readily available, cheap and/or bio-sourced carboxylic acids. The reaction was catalyzed by 1 mol % of Pd/C under 50 bar H(2) using an acid ion-exchange resin as a recyclable cocatalyst. The catalytic system was recycled several times, and a mechanism is proposed for this transformation.



2. J Chromatogr A. 2012 Nov 30;1266:131-42. doi: 10.1016/j.chroma.2012.10.008. Epub 2012 Oct 11.Compensation for matrix effects in the gas chromatography-mass spectrometry analysis of 186 pesticides in tea matrices using analyte protectants.Li Y(1), Chen X, Fan C, Pang G.

 

A gas chromatography-mass spectrometry (GC-MS) analytical method was developed for simultaneously determining 186 pesticides in tea matrices using analyte protectants to counteract the matrix-induced effect. The matrix effects were evaluated for green, oolong and black tea, representing unfermented, partially fermented and completely fermented teas respectively and depending on the type of tea, 72%, 94% and 94% of the pesticides presented strong response enhancement effect. Several analyte protectants as well as certain combinations of these protectants were evaluated to check their compensation effects. A mixture of triglycerol and d-ribonic acid-γ-lactone (both at 2mg/mL in the injected samples) was found to be the most effective in improving the chromatographic 

behavior of the 186 pesticides. More than 96% of the 186 pesticides achieved recoveries within the range of 70-120% when using the selected mixture of analyte protectants. The simple addition of analyte protectants offers a more convenient solution to overcome matrix effects, results in less active sites compared to matrix-matched standardization and can be an effective approach to compensate for matrix effects in the GC-MS analysis of pesticide residues.