Merck
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1424109

USP

Methyl alcohol

United States Pharmacopeia (USP) Reference Standard

Synonym(s):
Methyl alcohol, Methanol
Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein:
1098229
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

autoignition temp.

725 °F

expl. lim.

36 %

manufacturer/tradename

USP

refractive index

n20/D 1.329 (lit.)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

density

0.791 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

CO

InChI

1S/CH4O/c1-2/h2H,1H3

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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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.

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.  ​

Other Notes

USP issued SDS can be found here.
Sales restrictions may apply.

Signal Word

Danger

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Protocols

GC Analysis of Fermentation Compounds on a Packed Column (6.6% Carbowax® 20M on 80/120 Carbopack™ B AW)

Separation of Acetone; Acetic acid; Propionic acid; Ethyl butyrate; Ethanol; Isoamyl acetate; Isobutyric acid; 3-Methyl-2-butanol; Methyl acetate; 1-Propanol; Acetal, ≥98%, FG; 2-Methyl-1-pentanol; Butyl acetate; Ethyl propionate; 3-Pentanol; 2-Pentanol, 98%; Ethyl isobutyrate; Isobutyl acetate; Acetaldehyde; Furfural; Butyric acid; Methanol; Ethyl acetate

GC Analysis of Class 2 Residual Solvents on OVI-G43

GC Analysis of Class 2 Residual Solvents on OVI-G43

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