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CAS No.:
Other Names:
MF:
EINECS No.:
Place of Origin: Cocos (Keeling) Islands
Purity:
Classification: High Purity Reagents
Brand Name: Concord
Model Number:

Specifications

Gradient Grade Methanol

CAS.No:67-56-1
Molecular formula: CH3OH
Molecular weight: 32.04.
Refractive Index: 1.3288
Test Items
Result
Assay CH3OH (GC)  ω / %
≥99.9
Appearance
Clear, Colorless
Density (20℃)  ρ / (g/mL)
0.791~0.793
Solubility in H2O.
Pass test
Evaporation Residue  ω / %
≤0.0005
Water (H2O)  ω / %
≤0.05
Titrable Acid.  / (mmol/g)
≤0.0004
Titrable Base.  / (mmol/g)
≤0.00008
UV Absorbance,(1.00-cm cell vs.water)
205nm
1.00
210nm
0.60
220nm
0.30
230nm
0.15
240nm
0.05
254nm
0.01
260nm
0.01
GC-ECD Responsive residue (single peak) (As γ-666) / (ng/L)
Gradient Elution Test at 254nm  (mAU)
≤1.0
Gradient Elution Test at 230nm  (mAU)
≤5.0