The GC / MS analysis of 1,2,3-triméthoxypropane obtained after distillation is carried out under the following conditions (parameters given in English as used by the skilled person using this type of equipment):

Oven Method Oven Method

Température initiale (Initial Température) (C): 40 Initial temperature (Initial Temperature) (C): 40

Temps initial (Initial Time) (min): 2.00 Initial time (Initial Time) (min): 2.00

Nombre de rampes (Number of Ramps): 1 Number of ramps (Number of Ramps): 1

Débit (Rate) #1 (deg/min): 15.0 Rate (Rate) # 1 (deg / min): 15.0

Température finale (Final Température) #1 (C): 310 Final temperature (Final Temperature) # 1 (C): 310

Temps de pause (Hold Time) #1 (min): 5.00 Pause time (Hold Time) # 1 (min): 5.00

Température postérieur au passage (Post Run Température): éteinte (Off) Post-transition temperature (Post Run Temperature): OFF (Off)

Permettre Cryogénique (Enable Cryogénies): éteint (Off) Cryogenic enable (Enable Cryogenic) off (Off)

Température maximale (Maximum Température) (C): 350 Maximum temperature (Maximum Temperature) (C): 350

Temporisation précédant le passage (Prep Run Timeout) (min): 10.00 Temps d'équilibrage (Equilibration Time) (min): 0.50 Riqht SSL ethod Delay before the passage (Prep Run Timeout) (min): 10.00 (min) (Equilibration Time) Balancing Time: 0.50 Riqht SSL ethod

Température de base (Base Température): allumée (On) Temperature (Base Temperature) Lights (On)

Température de base (Base Température) (C): 220 Temperature (Base C) (C): 220

Mode: séquençage (Split) Mode: Sequencing (Split)

Débit du séquençage (Split Flow): allumé (On) Throughput sequencing (Split Flow): on (On)

Débit du débit du séquençage Split Flow Flow (ml/min): 50 Flow Flow Flow Flow Split sequencing (ml / min): 50

Temps sans séquençage (Splitless Time) (min): 1.00 Time without sequencing (Splitless Time) (min): 1.00

Surpression (Surge Pressure): éteinte (Off) Pressure (Pressure Surge): OFF (Off)

Surpression (Surge Pressure) (kPa): 3.00 Pressure (Surge Pressure) (kPa): 3.00

Sur-durée (Surge Duration) (min): 0.00 On-time (Surge Duration) (min): 0.00

Purge constante (Constant Purge): allumée (On) Constant drain (Constant Purge) Lights (On)

Arrêter la purge à (Stop Purge At): (min): 0.00 Riqht Carrier Method Stop purge (Stop Bleeding At) (min): 0.00 Riqht Carrier Method

Mode: débit constant (Constant Flow) Mode: constant bit rate (Constant Flow)

Valeur initiale (Initial Value): allumée (On) Initial value (Initial Value) on (On)

Valeur initiale (Initial Value) (ml/min): 1.20 Initial value (Initial Value) (ml / min): 1.20

Temps initial (Initial Time): 1.00 Initial time (Initial Time): 1.00

Economiseur de gaz (Gas Saver): allumé (On) Gas saver (Gas Saver) on (On)

Débit de l'économiseur de gaz (Gas Saver Flow) (ml/min): 20 Speed ​​economizer gas (Gas Saver Flow) (ml / min): 20

Temps d'économiseur de gaz (Gas Saver Time): 5.00 Economizer gas (Gas Saver Time) Time: 5.00

Compensation de vide (Vacuum Compensation): allumée (On) Le diagramme GC/MS obtenu est présenté en figure 1 montrant notamment le degré de pureté élevé du 1,2,3-triméthoxypropane obtenu par le procédé de l'invention. Compensation vacuum (Vacuum Compensation) Lights (On) The GC / MS diagram obtained is shown in Figure 1, showing particularly high purity 1,2,3-triméthoxypropane obtained by the method of the invention.