methyl stearate

methyl stearate

[′meth·əl ′stir‚āt]
(organic chemistry)
C17H35COOCH3 Colorless crystals melting at 39°C; soluble in alcohol and ether, insoluble in water; used as an intermediate for stearic acid manufacture.
References in periodicals archive ?
For this purpose, synthesis of two novel sunscreen filters PABA methyl stearate and PABA methyl ester were done by reacting PABA with olive oil at various conditions.
Chromatogram obtained after the injection of 1.0 [micro]L of standard stock solution containing the palmitate esters of methyl (1), methyl stearate (2), methyl oleate (3), methyl linoleate (4) and methyl linolenate (5).
Biodiesel from the most common feedstocks is primarily comprised of five FAMEs: methyl palmitate (16:0), methyl stearate (18:0), methyl oleate (18:1), methyl linoleate (18:2), and methyl linolenate (18:3).
Gas Chromatography analysis showed high percentages of Methyl Stearate, Methyl linoleate, Methyl Palmitate and Methyloleate.
Reference standard, supelco 10 and 30 (mix of 20% of methyl stearate, methyl palmitate, metyl linoleate, methyl linoleic, methyl oleate, methyl capric, methyl caprilic, methyl myristate and Methyl Laurate) was purchased from Sigma Aldrich Sdn Bhd for GC analysis.
As seen from the data presented, the methyl ether of oleic acid is contained in the greatest amount (48.90% of masses) while the content of methyl stearate is the least (1.00% of masses).
To estimate the solubility parameters of the methyl esters, a mixture model with the five major components of methyl esters (methyl palmitate, methyl stearate, methyl oleate, methyl linoleate, and methyl linolenate) was created by using Amorphous Cell.
Also included are some of the additives that are derived from the chemical transformation of those ingredients, including stearyl alcohol (source: stearic acid, methyl stearate) and glyceryl monostearate (source: palm oil, tallow, stearic acid and glycerin, methyl stearate and glycerin).
Some of the fats filtered out, such as methyl palmitate and methyl stearate, tend to have the best combustion properties, however.
Methyl Stearate C19H38O2###71.10###311###Nikolic et al., 2003[28]###60.2###15.33
###Octadecanoic acid ME (methyl stearate) (58)###0.18###0.86###-###-###6.99###5.38###2128###2125###24, 11
The following chemicals were used in this work: esters reference standards including methyl esters of methyl heptadecanuate, methyl myristate, methyl laurate, methyl palmitate, methyl stearate, methyl oleate, methyl linoleate, 1,2,4-butanetriol (5 mL, concentration 1 mg/mL in pyridine) assigned as internal standard 1, and internal standard 2 of tricaprin (5 mL, concentration 1 mg/mL in pyridine) were purchased from Supelco (USA).