Methyl alcohol
USP/1424109 - United States Pharmacopeia (USP) Reference Standard
Synonym: Methanol; Methyl alcohol
CAS Number: 67-56-1
Empirical Formula (Hill Notation): CH4O
Molecular Weight: 32.04
MDL Number: MFCD00004595
Linear Formula: CH3OH
Product Type: Chemical
application(s) | pharmaceutical (small molecule) |
autoignition temp. | 725 °F |
bp | 64.7 °C (lit.) |
density | 0.791 g/mL at 25 °C (lit.) |
expl. lim. | 36 % |
format | neat |
grade | pharmaceutical primary standard |
InChI | 1S/CH4O/c1-2/h2H,1H3 |
InChI key | OKKJLVBELUTLKV-UHFFFAOYSA |
manufacturer/tradename | USP |
mp | −98 °C (lit.) |
refractive index | n |
SMILES string | CO |
vapor density | 1.11 (vs air) |
vapor pressure | 410 mmHg ( 50 °C) |
97.68 mmHg ( 20 °C) |
Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
Application: | Methyl alcohol USP reference standard for use in specified quality tests and assays. Also used to prepare standard, standard stock, and system suitability solutions for the assay, and impurity analysis according to the given below monographs of United States Pharmacopeia (USP): • Methyl alcohol • Polyvinyl Alcohol • Acetone |
General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia . |
Other Notes: | Sales restrictions may apply. |
Symbol | 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 |
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 | 41116107 |