trichloroacetic acid TCA CAS Number: 76-03-9
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
CAS Number: 76-03-9
Molecular Formula: C2HCl3O2
Molecular Weight: 163.39 g/mol
Appearance: White or colorless crystalline solid
Melting Point: 58 °C Boiling Point: 196-197.5 °C
Usage: Used in organic synthesis, pharmaceuticals, pesticides, and as a biochemical reagent.
Trichloroacetic acid (TCA), with the CAS number 76-03-9, is a versatile organic compound primarily known for its strong acidic properties. It exists as a colorless or white crystalline solid with a pungent odor. TCA is widely used in various applications, including as a chemical reagent in organic synthesis, a protein precipitant in biochemical research, and a component in pharmaceutical preparations. Due to its, TCA must be handled with caution to avoid skin and eye irritation. Additionally, it is important to store TCA in a cool, dry place away from oxidants and bases.
| Property | Value |
|---|---|
| CAS Number | 76-03-9 |
| Physical Properties | |
| – Appearance | Colorless or white crystalline solid |
| – Odor | Pungent |
| – Melting Point | 54-58°C |
| – Boiling Point | 196°C (lit.) |
| – Density | 1.62 g/mL at 25°C |
| – Refractive Index | 1.4603 (61°C) |
| – Solubility in Water | 120 g/100 mL (20°C) |
| Chemical Properties | |
| – Molecular Formula | C2HCl3O2 |
| – Molecular Weight | 163.39 g/mol |
| – pH (0.1M aqueous solution) | <1.0 |
| – Acidity (pKa) | 0.7 (at 25°C) |
| – Reactivity | Reactive with water, bases; decomposes to produce toxic gases |
| – Stability | Stable but hygroscopic; decomposes in aqueous solutions below 30% |
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