Sodium hydroxide, 2.5 kg
SKU P031.4
€ 91,49
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Sodium hydroxide, 2.5 kg
Product Details
HS code: 28151100
Brand: Carl Roth
Sodium hydroxide, min. 98 %, Ph.Eur., USP, BP, in pellets, Molar mass (M) 40,0 g/mol, Density (D) 2,13 g/cm³, Boiling point (bp) 1388 °C, CAS No. [1310-73-2], UN-Nr. 1823, EG-Nr. 215-185-5, Empirical formula NaOH
Sodium hydroxide ≥98 %, Ph. Eur., USP, BP, in pellets
Technische informatie
| Getest volgens artsenijboek | Ph. Eur. USP BP |
| Toepasbaar (als droogmiddel) voor | Alkaline fluids (e.g. amines) |
| Niet toepasbaar (als droogmiddel) voor | Acids, acid derivatives, phenols |
| Partikel grootte | ~5 mm |
Desiccants
Desiccants can absorb water and bind it chemically (reversibly or irreversibly) or physically. The main desiccants can be subdivided into four categories:
- non-renewable chemical desiccants
- renewable chemical desiccants
- silica gels
- molecular sieves
Drying methods for solvents
| Solvent | Molecular sieve |
Potassium carbonate |
Calcium chloride |
Phosphous pentoxide |
| Acetic acid | - | - | - | + |
| Acetic acid anhydride | - | - | + | - |
| Acetic acid ethyl ester | 4 Å | + | - | + |
| Acetic acid methyl ester | 4 Å | + | - | + |
| Acetone | 3 Å | + | + | - |
| Acetonitrile | 3 Å | + | + | + |
| Benzene | 4 Å | - | + | - |
| 1-Butanol | - | + | - | - |
| 2-Butanol | - | + | - | - |
| 1-Butanone | - | + | + | - |
| Chloroform | 4 Å | - | + | + |
| Cyclohexane | 4 Å | - | - | - |
| Dichloremethane | 4 Å | - | - | - |
| Diethylether | 4 Å | - | + | - |
| Diisopropyl ether | 4 Å | - | + | - |
| Dimethyl formamide | 4 Å | - | - | - |
| Dioxan | 4 Å | - | + | - |
| Ethanol | 3 Å | - | - | - |
| Ethyle formate | - | - | + | - |
| n-Hexane | 4 Å | - | - | - |
| Methanol | 3 Å | - | + | - |
| 2-Propanol | 3 Å | - | - | - |
| Pyridine | 4 Å | - | - | - |
| Tetrahydrofurane | 4 Å | - | + | - |
| Toluene | 4 Å | - | + | - |
| Trichloroethylene | - | + | - | - |
| Xylene (Isomer compound) | 4 Å | - | + | - |
| Assay (acidim.) | 98,0-100,5 % |
| Identity | complies |
| Appearance of solution | complies |
| Insoluble matter | complies |
| Carbonate (as Na2CO3) | ≤1,0 % |
| Chloride (Cl) | ≤0,02 % |
| Sulphate (SO4) | ≤0,02 % |
| Iron (Fe) | ≤0,001 % |
| Potassium (K) | ≤0,5 |
| Sodium (Na) | 54-59,8 % |
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