1,2,4-Benzenetricarboxylic acid
Synonym(s):Benzene-1,2,4-tricarboxylic acid;Trimellitic acid
- CAS NO.：528-44-9
- Empirical Formula: C9H6O6
- Molecular Weight: 210.14
- MDL number: MFCD00002470
- EINECS: 208-432-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-07-28 13:44:10
What is 1,2,4-Benzenetricarboxylic acid?
Chemical properties
Colorless crystals.Partially soluble in DMF and alcohol; insoluble in benzene and carbon disulfide; slightly soluble in water.
The Uses of 1,2,4-Benzenetricarboxylic acid
1,2,4-Benzenetricarboxylic acid (trimellitic acid) is generally used as carboxylate ligand in the synthesis of a wide range of metal-organic frameworks (MOFs). It can also be used to synthesize Ln3+ encapsulated nanocrystals which exhibit white-light luminescence.
The Uses of 1,2,4-Benzenetricarboxylic acid
Intermediate in the preparation of resins, plasticizers, dyes, inks, adhesives.
Definition
ChEBI: Benzene substituted at the 1,2, and 4 positions by carboxy groups.
Purification Methods
Crystallise the acid from acetic acid or aqueous EtOH. [Beilstein 9 IV 3746.]
Properties of 1,2,4-Benzenetricarboxylic acid
| Melting point: | 229-231 °C (dec.) (lit.) |
| Boiling point: | 309.65°C (rough estimate) |
| Density | 1.4844 (rough estimate) |
| refractive index | 1.6630 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 2.1g/l |
| pka | pK1: 2.52;pK2: 3.84;pK3: 5.20 (25°C) |
| form | Crystalline Powder |
| color | White |
| Water Solubility | 2.1 G/100 ML (25 ºC) |
| Merck | 14,9702 |
| BRN | 2214815 |
| CAS DataBase Reference | 528-44-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2,4-Benzenetricarboxylic acid(528-44-9) |
| EPA Substance Registry System | 1,2,4-Benzenetricarboxylic acid (528-44-9) |
Safety information for 1,2,4-Benzenetricarboxylic 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,2,4-Benzenetricarboxylic acid
| InChIKey | ARCGXLSVLAOJQL-UHFFFAOYSA-N |
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