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270474 Sigma-Aldrich

Methanol

for HPLC, gradient grade, 99.93%

Synonym: Methyl alcohol

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Properties

Quality Level   200
grade   for HPLC
  gradient grade
vapor density   1.11 (vs air)
vapor pressure   410 mmHg ( 50 °C)
  97.68 mmHg ( 20 °C)
assay   99.93%
autoignition temp.   725 °F
purified by   sub-micron filtration
expl. lim.   36 %
gradient analysis   ≤0.005, 254nm
impurities   H2SO4, passes test (darkened)
  ≤0.001% acetaldehyde
  ≤0.001% formaldehyde
  ≤0.1% water
evapn. residue   <0.0003%
color   APHA: ≤10
  clear
refractive index   n20/D 1.329 (lit.)
bp   64.7 °C (lit.)
mp   −98 °C (lit.)
solubility   H2O: passes test
density   0.791 g/mL at 25 °C (lit.)
λ   H2O reference
UV absorption   λ: 203 nm Amax: 1.00
  λ: 210 nm Amax: 0.60
  λ: 220 nm Amax: 0.30
  λ: 230 nm Amax: 0.15
  λ: 240 nm Amax: 0.05
  λ: 260-400 nm Amax: 0.01
suitability   passes test for HPLC
SMILES string   CO
InChI   1S/CH4O/c1-2/h2H,1H3
InChI key   OKKJLVBELUTLKV-UHFFFAOYSA-N

Description

Application

Meets ACS specifications.

Other Notes

Contains MnO4- reducers

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Target organs 
Eyes
RIDADR 
UN1230 - class 3 - PG 2 - Methanol
WGK Germany 
WGK 2
RTECS 
PC1400000
Flash Point(F) 
49.5 °F - closed cup
Flash Point(C) 
9.7 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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