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Anhydrid kyseliny butanové 98%

Dodavatel: Thermo Scientific
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108120025 108121000 108125000
ACRO108120025EA 4930 CZK
ACRO108120025 ACRO108121000 ACRO108125000
Anhydrid kyseliny butanové 98%
Anhydrid kyseliny butanové
Vzorec: C₈H₁₄O₃
MW: 158,2 g/mol
Bod varu: 195 °C (760 mmHg)
Bod tání: –73 °C
Hustota: 0,963 g/cm³
Bod vzplanutí: 82 °C
Storage Temperature: Ambient
MDL Number: MFCD00009389
CAS číslo: 106-31-0
EINECS: 203-383-4
UN: 2739
ADR: 8,III
Merck Index: 13,01594

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Výsledky specifikačního testu

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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