Benzoic acid,3,4,5-trimethoxy-, methyl ester

The IUPAC name of this chemical is methyl 3,4,5-trimethoxybenzoate. With the CAS registry number 1916-07-0, it is also named as Trimethylgallic acid methyl ester. The product's categories are Aromatic Esters; C10 to C11; Carbonyl Compounds; Esters. It is white to light yellow powder which should be sealed in the container and stored in the cool and dry place. Additionally, people should avoid contact with skin and eyes. 

The other characteristics of this product can be summarized as: (1)ACD/LogP: 1.74; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.74; (4)ACD/LogD (pH 7.4): 1.74; (5)ACD/BCF (pH 5.5): 12.29; (6)ACD/BCF (pH 7.4): 12.29; (7)ACD/KOC (pH 5.5): 209.68; (8)ACD/KOC (pH 7.4): 209.68; (9)#H bond acceptors: 5; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 5; (12)Index of Refraction: 1.494; (13)Molar Refractivity: 58.06 cm³; (14)Molar Volume: 199.3 cm³; (15)Polarizability: 23.01×10^-24 cm³; (16)Surface Tension: 34.2 dyne/cm; (17)Enthalpy of Vaporization: 51.29 kJ/mol; (18)Vapour Pressure: 0.00538 mmHg at 25°C; (19)Rotatable Bond Count: 5; (20)Exact Mass: 226.084124; (21)MonoIsotopic Mass: 226.084124; (22)Topological Polar Surface Area: 54; (23)Heavy Atom Count: 16; (24)Complexity: 216.

Preparation of Methyl 3,4,5-trimethoxybenzoate: It can be obtained by methylation reaction of gallic acid and dimethyl sulfate.

Uses of Methyl 3,4,5-trimethoxybenzoate: It can be used as pharmaceutical intermediate and is also the main raw material of anti-anxiety drugs trimetozine, intestinal medicine trimebutine maleate, etc. In addition, It can react with 4-methoxy-benzaldehyde to get (E)-3-(4-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)prop-2-enoic acid. This reaction needs reagent Et₃N and Ac₂O by heating. The reaction time is 12 hours. The yield is 76%.

People can use the following data to convert to the molecule structure.
1. SMILES:O=C(OC)c1cc(OC)c(OC)c(OC)c1
2. InChI:InChI=1/C11H14O5/c1-13-8-5-7(11(12)16-4)6-9(14-2)10(8)15-3/h5-6H,1-4H3
  
The following are the toxicity data which has been tested.