Trichloroacetic Acid ACS Grade ≥99% | TCA | CAS 76-03-9

Trichloroacetic Acid (TCA), ACS Reagent Grade, ≥99.0% - 5g

SKU: T6399-5G
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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Trichloroacetic acid (TCA) is supplied as an ACS reagent grade material with a minimum assay of ≥99.0%. This highly purified crystalline carboxylic acid is widely used in biochemical, analytical, and laboratory workflows.

TCA is commonly employed for protein precipitation, phosphoprotein isolation, ascorbic acid extraction, and sample preparation procedures. It is also used as a decalcifier and fixative in microscopy applications. The material meets ACS specifications and is appropriate for academic, biotech, environmental, and regulated laboratory environments.

Chemical Name: Trichloroacetic Acid
Synonym: TCA
Linear Formula: Cl₃CCOOH
CAS Number: 76-03-9
Molecular Weight: 163.39 g/mol
Assay: ≥99.0%
Grade: ACS reagent
Form: Crystalline solid
Melting Point: 54–58 °C (lit.)
Boiling Point: 196 °C (lit.)
Density: 1.62 g/mL at 25 °C (lit.)
Refractive Index: n20/D 1.62 (lit.)
pH: 1 (81.7 g/L at 25 °C)
Solubility: H₂O: 1 g/10 mL
Ignition Residue: ≤0.03%
Anion Traces: Cl⁻ ≤0.002%; NO₃⁻ ≤0.002%; PO₄³⁻ ≤5 ppm; SO₄²⁻ ≤0.02%
Cation Traces: Fe ≤0.001%; heavy metals (as Pb) ≤0.002%
EC Number: 200-927-2
MDL Number: MFCD00004177
Beilstein Number: 970119
PubChem ID: 24900373
NACRES: NA.21
Quality Level: 200
Storage Temperature: 2–8 °C

Specifications

Trichloroacetic Acid, ACS Reagent, ≥99.0%

• Assay: ≥99.0%
• Grade: ACS reagent
• Form: Crystalline solid
• Molecular Weight: 163.39 g/mol
• Melting Point: 54–58 °C
• Boiling Point: 196 °C
• Density: 1.62 g/mL at 25 °C
• Refractive Index: n20/D 1.62
• Ignition Residue: ≤0.03%
• Impurities: ≤0.01% insoluble matter; passes sulfuric acid darkening test
• Anion Impurities: Cl⁻ ≤0.002%; NO₃⁻ ≤0.002%; PO₄³⁻ ≤5 ppm; SO₄²⁻ ≤0.02%
• Cation Impurities: Fe ≤0.001%; heavy metals (as Pb) ≤0.002%
• Quality Level: 200
• Storage: 2–8 °C

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