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Coffein, 99.7 %, Thermo Scientific Chemicals
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Menge:
25 g
100 g
500 g
Beschreibung
It acts as a stimulant drug and a reversible acetylcholinesterase inhibitor. It plays an important role for the inactivation of Escherichia coli O 157:H 7 in brain heart infusion (BHI) broth. It is also useful for the protection from photodamage after ultraviolet irradiation.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Spezifikation
Spezifikation
| Chemischer Name oder Material | Caffeine |
| Schmelzpunkt | 234°C to 236°C |
| Dichte | 1.23 g/mL |
| Siedepunkt | 178°C (sublimation) |
| Prozentgehaltsbereich | 99.7% |
| Menge | 25 g |
| Beilstein | 17705 |
| Löslichkeitsinformationen | Soluble in water,pyridine and ethyl acetate. Partially soluble in acetone,alcohol and petroleum ether. |
| Formelmasse | 194.19 |
| Physikalische Form | Pulver |
Sicherheit und Handhabung
Signalwort
- Achtung
- Akute Toxizität Kategorie 4
- H302-Gesundheitsschädlich bei Verschlucken.
- P264-Nach Gebrauch gründlich waschen.
- P301+P330+P331-BEI VERSCHLUCKEN: Mund ausspülen. KEIN Erbrechen herbeiführen.
- P312-Bei Unwohlsein GIFTINFORMATIONSZENTRUM/Arzt/anrufen.
RUO – Research Use Only
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