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Methanol

Catalog No. 65548 Name Sigma Aldrich
CAS Number 67-56-1 Website http://www.sigmaaldrich.com
M. F. CH4O Telephone 1-800-521-8956
M. W. 32.04186 Fax
Purity ≥99.8% (GC) Email
Storage Chembase ID: 104306

SYNONYMS

Title
甲醇
IUPAC name
methanol
IUPAC Traditional name
methanol
Synonyms
Methyl alcohol
木精

DATABASE IDS

MDL Number MFCD00004595
Beilstein Number 1098229
CAS Number 67-56-1
EC Number 200-659-6

PROPERTIES

abs. /235 nm <2 mAU
abs. /254 nm <1 mAU
Evaporation Residue ≤0.001%
Grade for HPLC, gradient grade
Impurities ≤0.0005% free alkali (as NH3)
Impurities ≤0.0025% free acid (as HCOOH)
Impurities ≤0.02% water
Impurities ≤1 ppb quinine fluor., 254 nm
Impurities ≤1 ppb quinine fluor., 365 nm
λ 1 cm path, H2O reference
Linear Formula CH3OH
Purity ≥99.8% (GC)
Shelf Life (limited shelf life, expiry date on the label)
Absorption Wavelength λ: 205 nm Amax: 1.0
Absorption Wavelength λ: 210 nm Amax: 0.5
Absorption Wavelength λ: 220 nm Amax: 0.2
Absorption Wavelength λ: 230 nm Amax: 0.1
Absorption Wavelength λ: 250 nm Amax: 0.015
Auto Ignition Point 725 °F
Boiling Point 64.7 °C(lit.)
Density 0.791 g/mL at 25 °C(lit.)
Flash Point 9 °C
Flash Point 48.2 °F
Melting Point -98 °C(lit.)
Refractive Index n20/D 1.329(lit.)
Refractive Index n20/D 1.329
Vapor Density 1.11 (vs air)
Vapor Pressure 410 mmHg ( 50 °C)
Vapor Pressure 97.68 mmHg ( 20 °C)
Explode Limits 36 %
GHS Pictograms GHS02
GHS Pictograms GHS06
GHS Pictograms GHS08
GHS Signal Word Danger
GHS Hazard statements H225-H301-H311-H331-H370
European Hazard Symbols Flammable Flammable (F)
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
GHS Precautionary statements P210-P260-P280-P301 + P310-P311
RID/ADR UN 1230 3/PG 2
Risk Statements 11-23/24/25-39/23/24/25
RTECS PC1400000
Safety Statements 7-16-36/37-45
Hazard Class 3
UN Number 1230
Packing Group 2
German water hazard class 1

DETAILS

REFERENCES