2-Propanolo, 1 l, vetro
Codice articolo 6752.1
€ 43,60
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2-Propanolo, 1 l, vetro
Dettagli del prodotto
Frasi P: P261 P280 P302+P352 P305+P351+P338 P337+P313
Frasi H: H315-H319-H335
Numero CAS: 159954-33-3
Formula chimica: C8H7ClNO4P · C7H9N
Codice SA: 29051200
Marca: Carl Roth
2-Propanol, ROTIPURAN®, min. 99,8 %, p.a., ACS, ISO, Molar mass (M) 60,10 g/mol, Density (D) 0,79 g/cm³, Flash point (flp) 12 °C, Boiling point (bp) 82 to 83 °C, CAS No. [67-63-0], UN-Nr. 1219, EG-Nr. 200-661-7, Empirical formula C3H8O
Isopropanol as Clearing Agent
Isopropanol is well suited as clearing agent for paraffin-embedding, because it is compatible to melted paraffin: After dehydrating with isopropanol the sample is incubated in a mixture of isopropanol abs. and paraffin (1:1) at approx. 60 °C. After a further incubation step with pure paraffin, the sample is embedded as usual.
This method is particularly suitable to smooth organs. Since embedding can start immediately after alcohol step, the working process is shortened significantly.
2-Propanol ROTIPURAN® ≥99,8 %, p.a., ACS, ISO
Acid Value Determination
The acid number characterises the acidic components of the fats. For this purpose, the sample is dissolved in a solvent and titrated against phenolphthalein with potassium hydroxide solution. Only free fatty acids are recorded. The fatty acids bound in the glycerides are not determined.
ROTI®Calipure standards for your calibration needs
Carl ROTH offers an extensive range of calibration and control standards. These products are manufactured from highly pure starting material and are specially tested for each application. The corresponding batch-specific certificate of analysis is available online. Each product series offers excellent value for money.
| Assay (GC) | ≥99.8 % |
| Colour (Hazen) | ≤10 |
| Acidity | ≤0.0001 meq/g |
| Solubility in H2O | complies |
| Density (d 20 °C/4 °C) | 0.784-0.787 |
| Water | ≤0.05 % |
| Acetone (GC) | ≤0.01 % |
| Ethanol (GC) | ≤0.01 % |
| Methanol (GC) | ≤0.01 % |
| Evaporation residue | ≤0.001 % |
| Carbonylic compounds (as CO) | ≤0.002 % |
| Matter discoloured by H2SO4 (Hazen) | ≤10 |
| Aluminium (Al) | ≤0.00005 % |
| Barium (Ba) | ≤0.00001 % |
| Lead (Pb) | ≤0.00001 % |
| Boron (B) | ≤0.000002 % |
| Cadmium (Cd) | ≤0.000005 % |
| Calcium (Ca) | ≤0.00005 % |
| Chromium (Cr) | ≤0.000002 % |
| Iron (Fe) | ≤0.00001 % |
| Cobalt (Co) | ≤0.000002 % |
| Copper (Cu) | ≤0.000002 % |
| Magnesium (Mg) | ≤0.00001 % |
| Manganese (Mn) | ≤0.000002 % |
| Nickel (Ni) | ≤0.000002 % |
| Zinc (Zn) | ≤0.00001 % |
| Tin (Sn) | ≤0.00001 % |
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