Butyric anhydride 98%

Leverancier: Thermo Scientific
Gevaar

ACRO108125000EA 42.4 EUR
ACRO108125000 ACRO108121000 ACRO108120025
Butyric anhydride 98%
Butyric anhydride
Formule: C₈H₁₄O₃
MW: 158,2 g/mol
Kookpunt: 195 °C (760 mmHg)
Smeltpunt: –73 °C
Dichtheid: 0,963 g/cm³
Vlampunt: 82 °C
Opslagtemperatuur: Kamertemperatuur
MDL-nummer: MFCD00009389
CAS-nummer: 106-31-0
EINECS: 203-383-4
UN: 2739
ADR: 8,III
Merck Index: 13,01594

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Specificaties testresultaten

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 (0.4 % in water) Nucleotidic impurities
UV at 260 nm A: ≤0.15
Appearance of solution (500mg in 10ml water) Clear colorless to
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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