2,4,6-Trimethylbenzoic acid
Synonym(s):2-Mesitylenecarboxylic acid
- CAS NO.：480-63-7
- Empirical Formula: C10H12O2
- Molecular Weight: 164.2
- MDL number: MFCD00002481
- EINECS: 207-553-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:22
What is 2,4,6-Trimethylbenzoic acid?
Chemical properties
white to almost white crystalline powder
The Uses of 2,4,6-Trimethylbenzoic acid
Mesitoic acid can be used for its antioxidant.
Definition
ChEBI: A trimethylbenzoic acid in which the three methyl substituents are located at positions 2, 4 and 6.
Synthesis Reference(s)
Journal of the American Chemical Society, 96, p. 590, 1974 DOI: 10.1021/ja00809a049
Organic Syntheses, Coll. Vol. 3, p. 553, 1955
Tetrahedron Letters, 11, p. 4459, 1970
Purification Methods
Crystallise mesitoic acid from water, ligroin or carbon tetrachloride [Ohwada et al. J Am Chem Soc 108 3029 1986]. [Beilstein 9 H 553, 9 I 214, 9 II 360, 9 III 2489, 9 IV 1854.]
Properties of 2,4,6-Trimethylbenzoic acid
| Melting point: | 152-155 °C (lit.) |
| Boiling point: | 288.61°C (estimate) |
| Density | 1.0670 (estimate) |
| refractive index | 1.5198 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chlorform (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | pK1:3.448 (25°C) |
| color | White to Off-White |
| Water Solubility | 722.5mg/L(temperature not stated) |
| BRN | 1866187 |
| CAS DataBase Reference | 480-63-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoic acid, 2,4,6-trimethyl-(480-63-7) |
| EPA Substance Registry System | 2,4,6-Trimethylbenzoic acid (480-63-7) |
Safety information for 2,4,6-Trimethylbenzoic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 2,4,6-Trimethylbenzoic acid
| InChIKey | FFFIRKXTFQCCKJ-UHFFFAOYSA-N |
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