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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
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grade

pharmaceutical primary standard

agency

USP

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)
pharmaceutical

format

neat

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

General description

Find answers to frequently asked questions on USP products in USP FAQs.
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.

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

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

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

Target Organs

Eyes,Central nervous system

Storage Class

3 - Flammable liquids

Flash Point (°F)

49.5 °F - closed cup

Flash Point (°C)

9.7 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

67-56-1

CAS No.

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