3,4,5-Trimethoxybenzoic acid

The Molecular Structure of 3,4,5-Trimethoxybenzoic acid (CAS NO.118-41-2):

Empirical Formula: C₁₀H₁₂O₅
Molecular Weight: 212.1993 
IUPAC Name: 3,4,5-trimethoxybenzoic acid 
Appearance:  white to beige fine crystalline powder
Nominal Mass: 212 Da
Average Mass: 212.1993 Da
Monoisotopic Mass: 212.068473 Da 
Index of Refraction: 1.523
Molar Refractivity: 53.21 cm³
Molar Volume: 173.9 cm³
Surface Tension: 40.6 dyne/cm
Density: 1.219 g/cm³
Flash Point: 128.8 °C
Enthalpy of Vaporization: 65.81 kJ/mol
Boiling Point: 376.3 °C at 760 mmHg
Vapour Pressure: 2.49E-06 mmHg at 25°C 
InChI
InChI=1/C10H12O5/c1-13-7-4-6(10(11)12)5-8(14-2)9(7)15-3/h4-5H,1-3H3,(H,11,12)
Smiles
c1(c(cc(C(O)=O)cc1OC)OC)OC
Synonyms: AI3-21153 ; EINECS 204-248-2 ; Eudesmic acid ; Gallic acid trimethyl ether ; Tri-O-methylgallic acid ; Veratric acid, 5-methoxy- ; Benzoic acid, 3,4,5-trimethoxy-     

 3,4,5-Trimethoxybenzoic acid (CAS NO.118-41-2) can be used as  intermediates in medicine and organic synthesis.

Safty inaformations about 3,4,5-Trimethoxybenzoic acid (CAS NO.118-41-2):
Hazard Codes  :XiXn
Risk Statements  :
 R36/37/38:Irritating to eyes, respiratory system and skin
 R20/21/22 :Harmful by inhalation, in contact with skin and if swallowed
Safety Statements :
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
 S36 :Wear suitable protective clothing
WGK Germany : 1