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Merck

1424109

USP

Methyl alcohol

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Methanol, Methyl alcohol

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About This Item

Linear Formula:
CH3OH
CAS Number:
67-56-1
Molecular Weight:
32.04
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329750425
MDL number:
MFCD00004595
Beilstein/REAXYS Number:
1098229

Product Name

Methyl alcohol, United States Pharmacopeia (USP) Reference Standard

InChI

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

SMILES string

CO

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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

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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.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

target_organs

Eyes,Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

49.5 °F - closed cup

flash_point_c

9.7 °C - closed cup

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