Flammable
Toxic
Health Methanol ≥99.9% (by GC), UltimAR® for liquid chromatography, for organic residue analysis, for UV spectrophotometry, Macron Fine Chemicals™
Supplier: MACRON AVANTOR BRAND
Certificates
About this item
CAS Number:67-56-1
:
Formula:CH₃OH
MDL Number:MFCD00004595
:32.04 g/mol
Merck Index:13,05984
Boiling Pt:64,6 °C (1013 hPa)
Melting Pt:–98 °C
Density:0,7918 g/cm³ (20 °C)
Flash Pt:11 °C (closed cup)
Storage Temperature:Ambient
EINECS:200-659-6
UN:1230
ADR:3,II
REACH:01-2119433307-44
:GHS02
:GHS06
:GHS08
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Specifications
- Environmentally Preferable:Safer Human and Environmental Health
- 环境认证:Chem21 Solvent Selection Guide recommended after discussion
Specifications
Specification Test Results
- For Laboratory,Research,or Manufacturing Use:Passes Test
- 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