MX0480

Methanol

OmniSolv^® HR-GC

• Synonym(s): Methyl alcohol
• Linear Formula: CH₃OH
• CAS Number: 67-56-1
• Molecular Weight: 32.04
• Beilstein: 1098229
• MDL number: MFCD00004595
• UNSPSC Code: 41116121
• EC Index Number: 200-659-6

Properties

• vapor density: 1.11 (vs air)
• Quality Level: 100
• vapor pressure: 128 hPa ( 20 °C); 410 mmHg ( 50 °C); 97.68 mmHg ( 20 °C)
• product line: OmniSolv^®
• Assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 725 °F
• expl. lim.: 36 %
• technique(s): HPLC: suitable; LC/MS: suitable; gas chromatography (GC): suitable
• impurities: ≤0.05% Water (H₂O); ≤0.3 μeq/g Titrable acid; ≤1 ppm Formaldehyde (HCHO)
• evapn. residue: ≤1 ppm
• color: clearAPHA: ≤5
• refractive index: n20/D 1.329 (lit.)
• 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.)
• format: neat
• shipped in: ambient
• storage temp.: room temp
• SMILES string: CO
• InChI: 1S/CH4O/c1-2/h2H,1H3
• InChI key: OKKJLVBELUTLKV-UHFFFAOYSA-N

Description

Application

OmniSolv^® HR-GC

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

AppearanceClear liquid, free from particulatesAssay (GC)99.9% minCap. ECD responsive substances as PCNB (peak)2ng/L maxCap. ECD responsive substances as PCNB (total)20ng/L maxCap. FID responsive substances as decane (peak)1µg/L maxCap. FID responsive substances as decane (total)10µg/L maxColor (APHA)5 maxEvaporation residue1ppm maxFiltered through 0.2 µm filterTo pass testFormaldehyde (HCHO)1ppm maxInfrared SpectrumConforms to standardTitrable acid0.3µeq/g maxWater (H2O)0.05% max

Evaporation Number: 1.9

Legal Information

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

Safety Information

• Pictograms: GHS02,GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H225 - H301 + H311 + H331 - H370
• Precautionary Statements: P210 - P233 - P280 - P301 + P310 - P303 + P361 + P353 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 49.5 °F - closed cup
• Flash Point(C): 9.7 °C - closed cup