Macron™ H488-10 Methyl Alcohol (Methanol), UltimAR Analytical Reagent Grade for Liquid Chromatography & UV Spectrophotometry, 4L Glass Bottle (Case of 4)
- Case of 4 x 4L Glass Bottles
- Manufacturer Part No: MK-H488-10
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Details
Product Specifications
TEST | SPECIFICATION |
For Laboratory,Research,or Manufacturing Use | |
Appearance | Passes Test |
ACS - Assay (CH₃OH) (by GC, corrected for water) | >= 99.9 % |
Carbonyl Compounds - Acetone | <= 0.001 % |
Carbonyl Compounds - Acetaldehyde | <= 0.001 % |
Carbonyl Compounds - Formaldehyde | <= 0.001 % |
Color (APHA) | <= 5 |
Residue after Evaporation | <= 0.00010 % |
Solubility in H₂O | Passes Test |
Substances Darkened by H₂SO₄ | Passes Test |
Substances Reducing Permanganate | Passes Test |
Titrable Acid (meq/g) | <= 0.0003 |
Titrable Base (meq/g) | <= 0.0002 |
Water (H₂O)(by Karl Fischer titrn) | <= 0.05 % |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 205 nm | <= 1.00 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 210 nm | <= 0.80 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 220 nm | <= 0.25 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 230 nm | <= 0.12 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 240 nm | <= 0.05 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 260 nm | <= 0.01 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 400 - 280 nm | <= 0.005 |
Liquid Chromatography Suitability Absorbance | Passes Test |
HPLC Gradient Elution (No Peak Greater than 25% of Full Scale)(0.005 au) | Passes Test |
ECD Sensitive Impurities (as Heptachl or Epoxide) Single Peak (ng/L) | <= 5 |
Sum of the Peaks (ng/L) | <= 10 |
FID Sensitive Impurities (as 2-Octano l) Single Peak (µg/L) | <= 5 |
Sum of the Peaks (µg/L) | <= 10 |
Fluorescence Trace Impurities, measured as Quinine Base - at Emission Maximum for Impurities | <= 1.0 ppb |
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Product Specifications
TEST | SPECIFICATION |
For Laboratory,Research,or Manufacturing Use | |
Appearance | Passes Test |
ACS - Assay (CH₃OH) (by GC, corrected for water) | >= 99.9 % |
Carbonyl Compounds - Acetone | <= 0.001 % |
Carbonyl Compounds - Acetaldehyde | <= 0.001 % |
Carbonyl Compounds - Formaldehyde | <= 0.001 % |
Color (APHA) | <= 5 |
Residue after Evaporation | <= 0.00010 % |
Solubility in H₂O | Passes Test |
Substances Darkened by H₂SO₄ | Passes Test |
Substances Reducing Permanganate | Passes Test |
Titrable Acid (meq/g) | <= 0.0003 |
Titrable Base (meq/g) | <= 0.0002 |
Water (H₂O)(by Karl Fischer titrn) | <= 0.05 % |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 205 nm | <= 1.00 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 210 nm | <= 0.80 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 220 nm | <= 0.25 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 230 nm | <= 0.12 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 240 nm | <= 0.05 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 260 nm | <= 0.01 |
Ultraviolet Absorbance (1.00-cm cell vs. water) - 400 - 280 nm | <= 0.005 |
Liquid Chromatography Suitability Absorbance | Passes Test |
HPLC Gradient Elution (No Peak Greater than 25% of Full Scale)(0.005 au) | Passes Test |
ECD Sensitive Impurities (as Heptachl or Epoxide) Single Peak (ng/L) | <= 5 |
Sum of the Peaks (ng/L) | <= 10 |
FID Sensitive Impurities (as 2-Octano l) Single Peak (µg/L) | <= 5 |
Sum of the Peaks (µg/L) | <= 10 |
Fluorescence Trace Impurities, measured as Quinine Base - at Emission Maximum for Impurities | <= 1.0 ppb |