Methanol
ALDRICH/717975 - suitable for NMR (reference standard)
Synonym: Methyl alcohol
CAS Number: 67-56-1
Empirical Formula (Hill Notation): CH4O
Molecular Weight: 32.04
EC Number: 200-659-6
MDL Number: MFCD00004595
Linear Formula: CH3OH
Product Type: Chemical
| autoignition temp. | 725 °F |
| bp | 64.7 °C (lit.) |
| density | 0.791 g/mL at 25 °C (lit.) |
| expl. lim. | 36 % |
| form | liquid |
| format | neat |
| InChI | 1S/CH4O/c1-2/h2H,1H3 |
| InChI key | OKKJLVBELUTLKV-UHFFFAOYSA |
| mp | −98 °C (lit.) |
| NMR tube size | 5 mm × 7 in. |
| 5 mm × 8 in. | |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | CO |
| suitability | suitable for NMR (reference standard) |
| technique(s) | NMR: suitable |
| vapor density | 1.11 (vs air) |
| vapor pressure | 410 mmHg ( 50 °C) |
| 97.68 mmHg ( 20 °C) |
| Features and Benefits: | Low temperature calibration |
| Preparation Note: | 5 mm O.D. tube contains 0.700 mL. |
| Symbol | ![]() ![]() GHS02,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H225 - H301 + H311 + H331 - H370 |
| Precautionary statements | P210 - P280 - P301 + P310 + P330 - P302 + P352 + P312 - P304 + P340 + P311 |
| Hazard Codes | F,T |
| Risk Statements | 11-23/24/25-39/23/24/25 |
| Safety Statements | 7-16-36/37-45 |
| RIDADR | UN1230 - class 3 - PG 2 - Methanol |
| WGK Germany | WGK 2 |
| Flash Point(F) | 49.5 °F - closed cup |
| Flash Point(C) | 9.7 °C - closed cup |
| bp | 64.7 °C (lit.) |
| mp | −98 °C (lit.) |
| Density | 0.791 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116121 |




