Etanolo assoluto ≥99.5% Ph. Eur., USP
Fornitore: VWR Chemicals
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Pericolo
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Synonyms:
Ethyl alcohol
20816.367EA
321
EUR
20816.367
20816.470
20816.367DP
20816.298DP
20816.470DP
VWRC20816.552
Etanolo assoluto ≥99.5% Ph. Eur., USP
Etanolo
Appearance: Colourless, clear, volatile, flammable liquid, hygroscopic.
Attenzione: ATTENZIONE: questo alcol è regolamentato. Vi preghiamo di contattare i nostri uffici.
Formula:
C₂H₅OH Peso molecolare: 46,07 g/mol Punto di ebollizione: 78,3 °C (1013 hPa) Punto di fusione: –117 °C Densità: 0,7895 g/cm³ (20 °C) Flash Pt: 12 °C (coppa chiusa) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00003568 CAS Number: 64-17-5 EINECS: 200-578-6 UN: 1170 ADR: 3,II REACH: 01-2119457610-43 Merck Index: 12,03806 |
Risultati del test di specificazione
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. | |
(*): 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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