2-Propanol ≥99.9% (by GC), LiChrosolv®, hypergrade for LC-MS, Supelco®
Supplier: Merck
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Danger
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Synonyms:
Isopropyl rubbing alcohol, Isopropanol, 2-Hydroxy propane, IPA, Dimethyl carbinol, Isopropyl alcohol, Propan-2-ol
M-Clarity™ quality level = MQ100
LiChrosolv® hypergrade is accurately tested for LC-MS suitability, meeting all the requirements of modern LC-MS ionisation methods (ESI / APCI - positive and negative mode).
Thanks to their low level of ionic background and low ion suppression, LiChrosolv® hypergrade solvents provide high reproducibility and high ionisation efficiency. The packaging material has been improved to perfectly meet LC-MS quality requirements.
Formula:
(CH₃)₂CHOH MW: 60,1 g/mol Boiling Pt: 82,4 °C (1013 hPa) Melting Pt: −89,5 °C Density: 0,786 g/cm³ (20 °C) Flash Pt: 12 °C Storage Temperature: Ambient |
MDL Number:
MFCD00011674 CAS Number: 67-63-0 EINECS: 200-661-7 UN: 1219 ADR: 3,II |
Specification Test Results
Purity (GC) | ≥ 99.9 % |
Identity (IR) | conforms |
Evaporation residue | ≤ 2.0 mg/l |
Color | ≤ 10 Hazen |
Water | ≤ 0.05 % |
Acidity | ≤ 0.0002 meq/g |
Alkalinity | ≤ 0.0002 meq/g |
Gradient grade (at 235 nm) | ≤ 1.0 mAU |
Gradient grade (at 254 nm) | ≤ 1.0 mAU |
Fluorescence (as quinine at 254 nm) | ≤ 1.0 ppb |
Fluorescence (as quinine at 365 nm) | ≤ 0.5 ppb |
Transmission (Checking after purging with N₂ (at 220 nm)) | ≥ 80 % |
Transmission (Checking after purging with N₂ (at 230 nm)) | ≥ 90 % |
Transmission (Checking after purging with N₂ (from 250 nm)) | ≥ 99 % |
Al (Aluminium) | ≤ 10 ppb |
Ca (Calcium) | ≤ 10 ppb |
Fe (Iron) | ≤ 10 ppb |
K (Potassium) | ≤ 5 ppb |
Mg (Magnesium) | ≤ 10 ppb |
Na (Sodium) | ≤ 150 ppb |
Any further metal (ICP-MS) | ≤ 5 ppb |
Suitable for LC-MS; Intensity of background mass peak based on reserpine (APCI/ESI positive) | ≤ 10 ppb |
Suitable for LC-MS; Intensity of background mass peak based on reserpine (APCI/ESI negative) | ≤ 20 ppb |
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