65543
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65543
Sigma-Aldrich
Methanol
puriss. p.a., absolute, ACS reagent, ≥99.8% (GC)
| Synonym: | Methyl alcohol |
| CAS Number: | 67-56-1 |
| Linear Formula: | CH3OH |
| Molecular Weight: | 32.04 |
| Beilstein Registry Number: | 1098229 |
| EC Number: | 200-659-6 |
| MDL number: | MFCD00004595 |
Description
| Other Notes | Sales restrictions may apply |
Properties
| grade | ACS reagent |
| vapor density | 1.11 (vs air) |
| vapor pressure | 410 mmHg ( 50 °C) |
| 97.68 mmHg ( 20 °C) | |
| absolute | |
| puriss. p.a. | |
| assay | ≥99.8% (GC) |
| autoignition temp. | 725 °F |
| expl. lim. | 36 % |
| total impurities | KMnO4-reducing substances, in accordance |
| acetone, none detected | |
| substances darkened by H2SO4, in accordance | |
| ≤0.0001% free alkali (as NH3) | |
| ≤0.001% aldehyde (as CH3CHO) | |
| ≤0.001% ketone (as CH3COCH3) | |
| ≤0.0025% free acid (as HCOOH) | |
| ≤0.05% water | |
| <0.001% formaldehyde (HCHO) | |
| evapn. residue | ≤0.001% |
| refractive index | n |
| n | |
| bp | 64.7 °C(lit.) |
| mp | −98 °C(lit.) |
| density | 0.791 g/mL at 20 °C |
| 0.791 g/mL at 25 °C(lit.) | |
| cation traces | Al: ≤0.5 mg/kg |
| Ba: ≤0.1 mg/kg | |
| Bi: ≤0.1 mg/kg | |
| Ca: ≤0.5 mg/kg | |
| Cd: ≤0.05 mg/kg | |
| Co: ≤0.05 mg/kg | |
| Cr: ≤0.02 mg/kg | |
| Cu: ≤0.02 mg/kg | |
| Fe: ≤0.5 mg/kg | |
| K: ≤0.5 mg/kg | |
| Li: ≤0.1 mg/kg | |
| Mg: ≤0.1 mg/kg | |
| Mn: ≤0.02 mg/kg | |
| Mo: ≤0.1 mg/kg | |
| Na: ≤0.5 mg/kg | |
| Ni: ≤0.1 mg/kg | |
| Pb: ≤0.1 mg/kg | |
| Sr: ≤0.1 mg/kg | |
| Zn: ≤0.1 mg/kg | |
| suitability | in accordance for miscibility |
Safety
| Personal Protective Equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
| Hazard Codes | F,T |
| Risk Statements | 11-23/24/25-39/23/24/25 |
| Safety Statements | 7-16-36/37-45 |
| RIDADR | UN1230 3/PG 2 |
| WGK Germany | 1 |
| RTECS | PC1400000 |
| UEL | 36.00%(V) |
| LEL | 6.00%(V) |
| Flash Point(F) | 51.8 °F |
| Flash Point(C) | 11 °C |
References
| Merck | Merck 13,5984 |
| Beilstein | Beil. 1,IV,1227 |
| reference | Aldrich MSDS 1, 1202:C / Corp MSDS 1 (2), 2281:C / FT-IR 2 (1), 160:B / FT-IR 1 (1), 109:B / FT-NMR 1 (1), 163:A / IR-Spectra (3), 66:A / IR-Spectra (2), 64:A / NMR-Reference 2 (1), 101:A / RegBook 1 (1), 121:A / Sax 6, 1764 / Sigma FT-IR 1 (1), 1344:A / Structure Index 1, 14:A:1 / Vapor Phase 3, 155:B |
