2,6-Di-tert-butyl-p-crésol 99%
Marques : Thermo ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
Butylhydroxytoluène
Formule:
C₁₅H₂₄O Poids moléculaire: 220,35 g/mol Point d'ébullition: 265 °C (760 mmHg) Point de fusion: 69…71 °C Point éclair: 127 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00011644 Numéro CAS: 128-37-0 EINECS: 204-881-4 UN: 3077 ADR: 9,III Indice Merck: 13,01547 |
Résultats des tests de spécification
Appearance | Semitransparent white Crystals |
Infrared spectrum | Conforms |
Melting point | 69 to 71 °C |
Water | ≤0.12 % (K.F.) |
GC | ≥98.5 % |
Color of solution | ≤30 APHA (30 % w/w in acetone) |
Residue after ignition | ≤0.1 % |
Specific optical rotation | -235° to -245° (20 °C, 589 nm) (c=2, 0.1 N HCl) (on anhydrous basis |
Titration with HClO4 | 99.0 to 101.0 % (on anhydrous basis) |
Insoluble matter | ≤0.1 % (in mixture of chloroform-alcohol (2:1)) |
Organic impurities | Passes test |
Dihydroquinine sulfate | ≤10.0 % |
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