n-Heptane ≥99.0% (par GC, corrigé de la teneur en eau) pour HPLC/UHPLC, pour spectrophotométrie, J.T.Baker®
Marques : AvantorTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Formule:
H₃C(CH₂)₅CH₃ Poids moléculaire: 100,20 g/mol Point d'ébullition: 98,4 °C (1013 hPa) Point de fusion: –90,6 °C Densité: 0,6838 g/cm³ (20 °C) Point éclair: –4 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00009544 Numéro CAS: 142-82-5 EINECS: 205-563-8 UN: 1206 ADR: 3,II Indice Merck: 13,04679 |
Résultats des tests de spécification
Assay (by GC) (corrected for water) | min. 99.0 % |
Residue after Evaporation | max. 2 ppm |
Substances Darkened by H2SO4 | passes test |
Water (by KF, coulometric) | max. 0.01 % |
Fluorescence Trace Impurities (as quinine base), ppb: | |
Measured at Emission Maximum for Solvent Impurities | max. 1.0 |
Measured at 450 nm | max. 0.2 |
Ultraviolet Absorbance (1.00-cm path vs water): | |
at 210 nm | max. 0.40 |
at 220 nm | max. 0.10 |
at 254-400 nm | max. 0.01 |
UV Cut-off, nm | max. 197 |
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