Description
Trichloroacetic acid 20 % is a p.a. grade aqueous solution for analytical and laboratory use. It is identified by CAS number 76-03-9, empirical formula CCl₃COOH, molar mass 163,40 g/mol and EG nr. 200-927-2. Density is approximately 1,1 g/cm³, the boiling point is 100 °C and the flash point lies above 110 °C. The product is supplied as a 20 % aqueous solution in a 1 l glass bottle, convenient for protein precipitation, sample clean-up and other wet-chemistry steps in environmental analysis and general reagent work. The p.a. specification supports demanding analytical protocols where a defined acid strength and purity level are required. Clear labelling of concentration and identity simplifies preparation of working dilutions and documentation in SOPs. Trichloroacetic acid 20 % from manufacturer Carl ROTH is suited to quality-control, research and teaching laboratories that prefer a ready-made aqueous TCA solution over solid acid handling. The one-litre glass pack balances bench-scale consumption with stable storage of this corrosive reagent under standard laboratory conditions.
This article belongs on Analytical grade solvents (p.a.), in Solvents.
Key features
- CAS number: 76-03-9
- Pack size: 1 l glass
- EG nr.: 200-927-2
- Empirical formula: CCl₃COOH
- Molar mass: 163,40 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
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Hazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Trichloroacetic acid 20 %, p.a., 20 % aqueous solution, 1 l, glass
What is this article?
Trichloroacetic acid 20 %, p.a., 20 % aqueous solution, 1 l, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Analytical grade solvents (p.a.), inside Solvents, in Produits chimiques de laboratoire et industriels.
An analytical-grade solvent, often marked p.a., has impurity limits tight enough for classical analysis and for preparing reagents. It is not automatically low enough in UV absorbance for HPLC, and it is not dry enough for a water-sensitive reaction. The grade is the purchase.
A solvent dissolves. The grade says which impurities are low enough for the method. Analytical grade is the ordinary pure solvent. HPLC and LC-MS grades limit the absorbance and the ions that would become peaks or background. A dry solvent has had water removed. A deuterated solvent is for NMR, where the hydrogen signal would otherwise drown the sample. Technical grade is for cleaning and for synthesis that does not need a chromatogram. Identity is on PubChem. Names follow IUPAC. Hazards follow ECHA, the CLP Regulation and REACH.
Which category should I open next?
The category is Solvents. The sub-category is Analytical grade solvents (p.a.). The catalogue is Produits chimiques de laboratoire et industriels.
Shelves beside this one are HPLC & LC-MS grade solvents, Dry & deuterated solvents (NMR, synthesis), Technical & synthesis grade solvents and Green & alternative solvents.
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