Methanol for HPLC gradient grade >=99.9%

Code: 34885-1l-msig D2-231

Not available outside of the UK & Ireland.

Application

Methanol (MeOH) has been used as an eluent in the HPLC estimation of malondialdehyde in plasma, which is an indicator of oxidative stress.It may be used in the fo...


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$51.61 EACH

Not available outside of the UK & Ireland.

Application

Methanol (MeOH) has been used as an eluent in the HPLC estimation of malondialdehyde in plasma, which is an indicator of oxidative stress.It may be used in the following studies: Colony forming unit-fibroblast assay of bone marrow mononuclear cells. As solvent for the preparation of extracts of hyphae of Aspergillus for the estimation of gliotoxin by reversed phase-HPLC.Immunofluorescence studies.To compose eluent for the ion-pair reverse-phase HPLC isolation of nucleotides and their decomposition products.

General description

Thermochemical conversion of methanol to C2-C10 hydrocarbons in the presence of shape-selective zeolites has been reported. Its oxidation on Ru-Pt catalyst system by ruthenium ad-atoms has been proposed.

Legal Information

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

Other Notes

Important notice The article number 34885-6X1L-M will be discontinued. Please order the single bottle 34885-1L-M which is physically identical with the same exact specifications.

Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Packaging

View returnable container options.

Preparation Note

Product filtered through a 0.2 µm filter

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absorptionin accordance
assay≥99.9%
autoignition temp.725 °F
bp64.7 °C (lit.)
colorAPHA: ≤10
density0.791 g/mL at 25 °C (lit.)
evapn. residue﹤0.0003%
expl. lim.36 %
formliquid
gradegradient grade
HPLC-gradient≤2 mAU at 230 nm, ≤5 mAU at 254 nm
impurities≤0.0005% non-volatile matter, KMnO4 red. matter (as O), in accordance, ≤1 ppb fluorescence (quinine) at 254 nm, ≤0.0005% free alkali (as NH3), ≤0.001% acetone (GC), ≤0.001% acetaldehyde, ≤1 ppb fluorescence (quinine) at 365nm, ≤0.001% formaldehyde, ≤0.02% water (Karl Fischer)
InChI keyOKKJLVBELUTLKV-UHFFFAOYSA-N
InChI1S/CH4O/c1-2/h2H,1H3
mp−98 °C (lit.)
refractive indexn20/D 1.329 (lit.)
SMILES stringCO
technique(s)HPLC: suitable
UV absorptionλ: 240 nm Amax: 0.05, λ: 210 nm Amax: 0.50, λ: 235 nm Amax: 0.10, λ: 400 nm Amax: 0.01, λ: 260 nm Amax: 0.01, λ: 220 nm Amax: 0.30, λ: 230 nm Amax: 0.15
vapor density1.11 (vs air)
vapor pressure97.68 mmHg ( 20 °C), 410 mmHg ( 50 °C)
Code
Description
Unit Size
List Price
Qty
34885-2.5L-M
Unit:EACH
List Price: $108.62
Source:List Price
ADD
34885-1L-M
Unit:EACH
List Price: $54.14
Source:List Price
ADD
Cas Number67-56-1
Hazard Class3
Un Number1230
Pack GroupII
This product has met the following criteria: