154903
Riedel-de Haën

Methanol

SKU
154903
ACS Spectrophotometric Grade, ≥99.9%
Synonym(s)
Methyl alcohol
  • Honeywell Riedel-de Haen has over 200 years of history in producing high-purity chemicals
  • It is the leading brand offering High-Purity Solvents for dedicated applications.
Brand
Riedel-de Haën
Beilstein Registry Number CAS Numbers (All) EC Number Linear Formula
CH3OH
MDL Number Molar Mass
32.04 g/mol
Synonyms
Methyl alcohol

Documents

Specifications

PropertyValue
Refractive Indexn20/D 1.329(lit.)
Identity (IR)complying
Assay (GC)Min. 99.90 %
Non-volatile matterMax. 0.001 %
Mixable with H2Ocomplying
Water (Karl Fischer)Max. 0.1 %
Titrable AcidMax. 0.0003 meq/g
Titrable BaseMax. 0.0002 meq/g
KMnO4 reducing mattercomplying
AcetaldehydeMax. 0.001 %
FormaldehydeMax. 0.001 %
Acetone (GC)Max. 0.001 %
Reaction against H2SO4complying
Absorbance at 400 nmMax. 0.01
Absorbance 280 nmMax. 0.01
Absorbance at 260 nmMax. 0.04
Absorbance at 240 nmMax. 0.10
Absorbance at 230 nmMax. 0.20
Absorbance at 220 nmMax. 0.40
Absorbance at 210 nmMax. 0.80
Absorbance at 205 nmMax. 1.00
APHAMax. 10
Vapor Pressure97.68 mmHg ( 20 °C)

Properties

PropertyValue
Boiling Point/Range64-65 °C (1.013 hPa)
ColorColorless
Density0.79 g/cm3 (20 °C)
Flashpoint11 °C
FormLiquid
GradeSpectrophotometric Grade
Incompatible MaterialsOxidizing agents
Lower Explosion Limit5.5 %(V)
Melting Point/Range-98 °C
Partition Coefficient-0.71
Purity Percentage99.9
Purity Details>=99.9%
Solubility in WaterCompletely miscible
Upper Explosion Limit50 %(V)
Vapor Pressure128 hPa (20 °C)
Viscosity0.55 mPa.s (25 °C)
pH-ValueNot applicable
Storage TemperatureAmbient

Safety Information

PropertyValue
Hazard Class3
Package GroupII
UN IDUN1230
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