Description
Isoamyl alcohol ROTIPURAN® min. 98,5 %, p.a. is an analytical-grade branched alcohol used in laboratory extraction and food-related fat determination workflows. With CAS number 123-51-3 and empirical formula C₅H₁₂O, it has a molar mass of 88,15 g/mol and a density of 0,81 g/cm³. The boiling point is 130,7 °C and the flash point is 43,5 °C, defining its thermal and handling profile under standard laboratory conditions. The preparation is offered at a minimum of 98,5 % in p.a. quality and Identity and physical data from manufacturer Carl ROTH support method alignment in analytical chemistry and food analysis applications. EG nr. 204-633-5 and UN number 1105 provide the regulatory anchors needed for documentation and transport classification. Categories covering analytical chemicals and determination of fat indicate typical use contexts where consistent solvent performance and clear specifications are required.
This article is part of Analytical grade solvents (p.a.), in Solvents.
Key features
- Assay (GC): ≥98,5 %
- Colour (Hazen): ≤10
- Density (d 20 °C/4 °C): 0,808-0,812
- Water: ≤0,2 %
- Aluminium (Al): ≤0,00005 %
- Boron (B): ≤0,000002 %
- Barium (Ba): ≤0,00001 %
- Calcium (Ca): ≤0,00005 %
- Cadmium (Cd): ≤0,000005 %
- Cobalt (Co): ≤0,000002 %
- CAS number: 123-51-3
- Pack sizes: 500 ml, 1 l, 2.5 l
- EG nr.: 204-633-5
- Molar mass: 88,15 g/mol
- Density: 0,81 g/cm³
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
Danger
Hazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Isoamyl alcohol, ROTIPURAN®, min. 98,5 %, p.a., 500 ml, glass
What is this article?
Isoamyl alcohol, ROTIPURAN®, min. 98,5 %, p.a., 500 ml, 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 Lab chemicals.
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 Lab chemicals.
Shelves beside this one are HPLC & LC-MS grade solvents, Dry & deuterated solvents (NMR, synthesis), Technical & synthesis grade solvents and Green & alternative solvents.
What should I check before I order?
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

