Buttersäureanhydrid 98%
Lieferant: Thermo Fisher Scientific
|
Gefahr
|
108120025
108121000
108125000
ACRO108120025EA
134
EUR
ACRO108120025
ACRO108121000
ACRO108125000
Buttersäureanhydrid 98%
Buttersäureanhydrid
Formel:
C₈H₁₄O₃ Siedepunkt: 195 °C (760 mmHg) Schmelzpunkt: –73 °C Dichte: 0,963 g/cm³ Flammpunkt: 82 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00009389 CAS-Nummer: 106-31-0 EINECS: 203-383-4 UN: 2739 ADR: 8,III Merck Index: 13,01594 |
Spezifikation Testergebnisse
Appearance | Clear colorless to light yellow Liquid |
Infrared spectrum | Conforms |
Refractive index | 1.4120 to 1.4140 (20°C, 589 nm) |
GC | ≥97.5 % |
UV | at 260 nm A: ≤0.15 |
Appearance of solution | faint yellow |
NMR (1H-NMR) | Chondroitin sulfate (over-sulfated): Absent |
Protein | ≤0.5 % (dried substance) |
pH | 5.5 to 8.0 (0.1g in 10ml water) |
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