O-Acetylsalicylic acid 99%
Supplier: Thermo Scientific
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Warning
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Synonyms:
2-Acetoxybenzoic acid, Acetylsalicylic acid, Aspirin, Aspirin®
158185000
158180500
158180025
ACRO158185000EA
88.6
GBP
ACRO158185000
ACRO158180500
ACRO158180025
O-Acetylsalicylic acid 99%
o-Acetylsalicylic acid
Formula:
2-(CH₃CO₂)C₆H₄CO₂H MW: 180,16 g/mol Boiling Pt: 140 °C (1013 hPa) Melting Pt: 136…140 °C Density: 1,35 g/cm³ Flash Pt: 250 °C Storage Temperature: Ambient |
MDL Number:
MFCD00002430 CAS Number: 50-78-2 EINECS: 200-064-1 Merck Index: 13,00856 |
Specification Test Results
Appearance | White Granular powder |
Infrared spectrum | Conforms |
Melting point | 133 to 139 °C |
Loss on drying | ≤0.5 % (1 g) (vacuum, over P2O5, room temp) |
Heavy metals | ≤10 ppm |
Sulfated ash | ≤0.1 % |
Appearance of solution | (1 g in 9 ml ethanol 96%) clear, colorless |
Particle size | ≤5 % (retained on 1000 µm sieve) |
Titration with NaOH | 98.5 to 101.5 % (On dried substance) |
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