1.07018 Supelco


for analysis EMPARTA® ACS

Synonym: Methyl alcohol

  • CAS Number 67-56-1

  • Linear Formula CH3OH

  • Molecular Weight 32.04

  •  Beilstein/REAXYS Number 1098229

  •  MDL number MFCD00004595

  •  EC Index Number 200-659-6



Related Categories ACS Grade Solvents, ACS and Reagent Grade Solvents, Solvent by Application, Solvents
Quality Level   200
grade   ACS reagent
vapor density   1.11 (vs air)
vapor pressure   128 hPa ( 20 °C)
  410 mmHg ( 50 °C)
  97.68 mmHg ( 20 °C)
assay   ≥99.8% (GC)
form   liquid
autoignition temp.   725 °F
potency   5628 mg/kg LD50, oral (Rat)
  17100 mg/kg LD50, skin (Rabbit)
expl. lim.   36 %
refractive index   n20/D 1.329 (lit.)
kinematic viscosity   0.54-0.59 cSt(20 °C)
bp   64.7 °C (lit.)
mp   −98 °C (lit.)
transition temp   flash point 9.7 °C
density   0.791 g/mL at 25 °C (lit.)
SMILES string   CO
InChI   1S/CH4O/c1-2/h2H,1H3
storage conditions   Store at +5°C to +30°C.


General description

We offer EMPARTA grade solvents for routine tasks in analytical laboratories. EMPARTA grade solvents offer fewer test parameters than EMSURE, yet are still of high quality. EMPARTA solvents meet ACS requirements, making them ideal for a wide range of analytical applications.

Analysis Note

Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Solubility in water: conforms
Titrable acid: ≤ 0.0003 meq/g
Titrable base: ≤ 0.0002 meq/g
Boiling point: 64 - 65 °C
Acetone: ≤ 0.001 %
Acetaldehyde: ≤ 0.001 %
Formaldehyde: ≤ 0.001 %
Readily carbonizable substances: conforms
Substances reducing potassium permanganate (as O): ≤ 0.0003 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.1 %

Legal Information

EMPARTA is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Protocols & Articles


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