Ethanol absolu absolu ≥99.5% USP, Ph. Eur.
Marques : VWR Chemicals
Ratings:
Ecrire un avis
Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Synonyme(s):
Alcool éthylique
20816.298EA
92.7
EUR
20816.298
20816.367
20816.470
VWRC20816.552
Ethanol absolu absolu ≥99.5% USP, Ph. Eur.
Éthanol
Appearance: Colourless, clear, volatile, flammable liquid, hygroscopic.
Attention: ATTENTION : cet alcool n'est pas en vente libre. Consultez-nous.
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Formule:
C₂H₅OH Poids moléculaire: 46.07 g/mol Point d'ébullition: 78.3 °C (1013 hPa) Point de fusion: –117 °C Densité: 0.7895 g/cm³ (20 °C) Point éclair: 12 °C (coupe fermée) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00003568 Numéro CAS: 64-17-5 EINECS: 200-578-6 UN: 1170 ADR: 3 II REACH: 01-2119457610-43 Indice Merck: 12,03806 |
Résultats des tests de spécification
| Appearance | Conforms (see CoA/CoS) |
| Water | Max. 0.1 % |
| Residual solvents | Passes test |
| Residues of metal catalysts or reagents | Passes test |
| As (Arsenic) | Max. 0.1 ppm |
| Cd (Cadmium) | Max. 0.1 ppm |
| Co (Cobalt) | Max. 0.1 ppm |
| Cu (Copper) | Max. 0.1 ppm |
| Hg (Mercury) | Max. 0.1 ppm |
| Ni (Nickel) | Max. 0.1 ppm |
| Pb (Lead) | Max. 0.1 ppm |
| V (Vanadium) | Max. 0.1 ppm |
| Conforms to Ph.Eur./USP | Passes test |
| Ph.Eur. specifications: | Max. 0.30 |
| Assay (V/V) [Ph.Eur.] | Min. 99.5 % |
| Assay [Ph.Eur.] | Min. 99.2 % |
| Identification A | Passes test USP |
| Identification B | Passes test USP |
| Appearance test | Passes test Ph.Eur. |
| Acidity or alkalinity [Ph.Eur.] (*) | Max. 30 ppm |
| Relative density [Ph.Eur.] | 0.790 --> 0.793 |
| Absorbance (240 nm) [Ph.Eur.] | Max. 0.40 |
| Absorbance (250-260 nm) [Ph.Eur.] | Max. 0.30 |
| Absorbance (270-340 nm) [Ph.Eur.] | Max. 0.10 |
| Absorption curve (*) | Passes test Ph.Eur. |
| Methanol (V/V) [Ph.Eur.] | Max. 200 ppm |
| Acetaldehyde + acetal (V/V) [Ph.Eur.](*) | Max. 10 ppm |
| Benzene (V/V) [Ph.Eur.] | Max. 2 ppm |
| Total of other impurities (V/V)[Ph.Eur.] | Max. 300 ppm |
| Disregard limit [Ph.Eur.] | Max. 9 ppm |
| Residue on evaporation (m/V) [Ph.Eur.] | Max. 25 ppm |
| USP specifications: | |
| Assay (V/V) (15.56°C) [USP] | Min. 99.5 % |
| Assay (15.56°C) [USP] | Min. 99.2 % |
| Identification C | Passes test USP |
| Limit of nonvolatile residue [USP] | Max. 2.5 mg |
| Methanol [USP] | Max. 200 μl/l |
| Acetaldehyde + acetal (as C2H4O) [USP] | Max. 10 μl/l |
| Benzene [USP] | Max. 2 μl/l |
| Sum of all other impurities [USP] | Max. 300 μl/l |
| Disregard limit [USP] | Max. 9 μl/l |
| Specific gravity (15.56°C) [USP] | Max. 0.7962 |
| Absorbance (240 nm) [USP] | Max. 0.40 |
| Absorbance (250-260 nm) [USP] | Max. 0.30 |
| Absorbance (270-340 nm) [USP] | Max. 0.10 |
| Absorption curve | Passes test USP |
| Clarity of solution | Passes test USP |
| Acidity or alkalinity | Passes test USP |
| Colour of solution | Passes test USP |
| (*): Acidity or alkalinity expressed as acetic acid. | |
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(*): Absorption curve: The spectrum shows a steadily descending curve with no observable peaks or shoulders. |
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| (*): Acetaldehyde + acetal(V/V) expressed as acetaldehyde. |
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