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320390 Sigma-Aldrich

Methanol

ACS reagent, ≥99.8%

Synonym: Methyl alcohol

  • CAS Number 67-56-1

  • Linear Formula CH3OH

  • Molecular Weight 32.04

  •  Beilstein/REAXYS Number 1098229

  •  EC Number 200-659-6

  •  MDL number MFCD00004595

  •  PubChem Substance ID 329753975

  •  NACRES NA.21

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Properties

Related Categories ACS Grade, ACS Grade Solvents, ACS and Reagent Grade Solvents, Methanol, PVC Coated Bottles,
Quality Level   200
grade   ACS reagent
vapor density   1.11 (vs air)
vapor pressure   410 mmHg ( 50 °C)
  97.68 mmHg ( 20 °C)
assay   ≥99.8%
autoignition temp.   725 °F
expl. lim.   36 %
impurities   H2SO4, passes test (darkened)
  MnO4- reducers, passes test
  ≤0.0002 meq/g Titr. base
  ≤0.0003 meq/g Titr. acid
  ≤0.001% acetaldehyde
  ≤0.001% acetone
  ≤0.001% formaldehyde
  ≤0.1% water
evapn. residue   ≤0.001%
color   APHA: ≤10
  clear
refractive index   n20/D 1.329 (lit.)
bp   64.7 °C (lit.)
mp   −98 °C (lit.)
density   0.791 g/mL at 25 °C (lit.)
SMILES string   CO
InChI   1S/CH4O/c1-2/h2H,1H3
InChI key   OKKJLVBELUTLKV-UHFFFAOYSA-N

Description

Packaging

1, 4, 4×4 L in PVC-coated bottle

18 L in VerSA-Flow™

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

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Dispensette™ S
Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Peer-Reviewed Papers
15

References

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