IUPAC Name: 2,4,5-Trimethoxybenzoic acid
Synonyms of 2,4,5-Trimethoxybenzoic acid (CAS NO.490-64-2): 2,4,5-Trimethoxybenzoic acid ; Asarylic acid ; Calamonic acid
CAS NO: 490-64-2
Molecular Formula: C₁₀H₁₂O₅
Molecular Weight: 212.20
Molecular Structure:
EINECS: 207-715-9
H bond acceptors: 5
H bond donors: 1
Freely Rotating Bonds: 4
Polar Surface Area: 53.99 Å²
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: 134 °C
Enthalpy of Vaporization: 57.03 kJ/mol
Boiling Point: 300 °C at 760 mmHg
Vapour Pressure: 0.000513 mmHg at 25°C
Melting point 142-145°C
Water solubility: soluble
Appearance: white fine crystalline powder
Product Categories of 2,4,5-Trimethoxybenzoic acid (CAS NO.490-64-2): Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Organic acids 
SMILES: O=C(O)c1c(OC)cc(OC)c(OC)c1
InChI: InChI=1/C10H12O5/c1-13-7-5-9(15-3)8(14-2)4-6(7)10(11)12/h4-5H,1-3H3,(H,11,12)
InChIKey: KVZUCOGWKYOPID-UHFFFAOYAF
Std. InChI: InChI=1S/C10H12O5/c1-13-7-5-9(15-3)8(14-2)4-6(7)10(11)12/h4-5H,1-3H3,(H,11,12)
Std. InChIKey: KVZUCOGWKYOPID-UHFFFAOYSA-N

Safety Information about 2,4,5-Trimethoxybenzoic acid (CAS NO.490-64-2):
Risk Statements: 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. 
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Store in a tightly closed container.