3,4-Bis(benzyloxy)benzaldehyde 99%
Marques : Thermo Scientific
Ratings:
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Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5
ACRO112640010EA
43.8
EUR
ACRO112640010
ACRO112640050
ACRO112640250
3,4-Bis(benzyloxy)benzaldehyde 99%
3,4-Bis(benzyloxy)benzaldehyde
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Formule:
C₂₁H₁₈O₃ Poids moléculaire: 318,3658 g/mol Point de fusion: 88…92 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00004776 Numéro CAS: 5447-02-9 EINECS: 226-662-2 |
Résultats des tests de spécification
| Appearance | White to yellow to light beige Powder or crystals |
| Infrared spectrum | Conforms |
| Melting point | 89 to 93 °C |
| GC | ≥98.5 % |
| Chloride (Cl) | ≤0.003 % |
| Phosphate (PO4) | ≤0.001 % |
| Sulfate (SO4) | ≤0.002 % |
| Calcium (Ca) | ≤0.005 % |
| Iron (Fe) | ≤5 ppm |
| Magnesium (Mg) | ≤0.002 % |
| Sodium (Na) | ≤0.03 % |
| Heavy metals (ICP-OES) | ≤5 ppm |
| Insoluble matter | ≤0.005 % |
| Identification | Conform USP/NF, EP, JP |
| Particle size | 50 to 65 % (≤ 45 µm) |
| Particle size | ≥90 % (≤ 100 µm) |
| Particle size | ≥96 % (≤ 150 µm) |
| Particle size | ≥99 % (≤ 250 µm) |
| Residue after ignition | ≤0.1 % |
| Microbial contamination | ≤100 CFU/g total aerobic microbial count |
| Microbial contamination | ≤50 CFU/g total yeasts and moulds |
| Microbial contamination | (Escherichia coli in 10 g) Absent |
| Microbial contamination | (Salmonellae in 100 g) Absent |
| Acidity/alkalinity | ≤0.4 ml/6g (ml 0.1N NaOH/6g) |
| Specific optical rotation | +54.4° to +55.9° (20 °C, 589 nm) (c=10, H2O/NH3) (After 30 min., on anhydrous substance) |
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