2,3,4-Trimethoxybenzoic acid

Molecular Formula: C₁₀H₁₂O₅
Molar mass: 212.2 g/mol
EINECS: 209-350-0
Density: 1.219 g/cm³
Flash Point: 123.5 °C
Index of Refraction: 1.523
Boiling Point: 321 °C at 760 mmHg
Vapour Pressure: 0.000127 mmHg at 25°C
Melting point: 99-102 °C(lit.)
Appearance: White or almost white crystalline powder
Product categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Fine Chemical & Intermediates;Organic and Carboxylic Acids
Structure of 2,3,4-Trimethoxybenzoic acid (CAS NO.573-11-5):

XLogP3-AA: 1.7
H-Bond Donor: 1
H-Bond Acceptor: 5
IUPAC Name: 2,3,4-Trimethoxybenzoic acid
Canonical SMILES: COC1=C(C(=C(C=C1)C(=O)O)OC)OC
InChI: InChI=1S/C10H12O5/c1-13-7-5-4-6(10(11)12)8(14-2)9(7)15-3/h4-5H,1-3H3,(H,
11,12) 
InChIKey: HZNQSWJZTWOTKM-UHFFFAOYSA-N

 2,3,4-Trimethoxybenzoic acid (CAS NO.573-11-5) can be used as intermediate in organic synthesis.

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

 2,3,4-Trimethoxybenzoic acid (CAS NO.573-11-5) also can be called Benzoic acid, 2,3,4-trimethoxy- .It is hazardous,so the first aid measures and others should be known.Such as: When on the skin: first,should  flush skin with plenty of water immediatelyfor at least 15 minutes while removing contaminated clothing. Secondly,Get shoesmedical aid . Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.Then get medical aid soon.While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : Wash mouth out with water,and get medical aid immediately.Notes to physician: Treat supportively and symptomatically.
In addition, 2,3,4-Trimethoxybenzoic acid (CAS NO.573-11-5) is not compatible with strong oxidizing agents, and you must not take it with incompatible materials.And also prevent it to broken down into hazardous decomposition products: carbon dioxide, carbon monoxide.