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19-2470

Sigma-Aldrich

Methanol

≥99.8% (GC), suitable for HPLC

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Synonym(s):
Methyl alcohol
Linear Formula:
CH3OH
CAS Number:
67-56-1
Molecular Weight:
32.04
Beilstein:
1098229
EC Number:
200-659-6
MDL number:
MFCD00004595
UNSPSC Code:
51273804
PubChem Substance ID:
329751705

vapor density

1.11 (vs air)

Quality Level

100

vapor pressure

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

Assay

≥99.8% (GC)

form

liquid

autoignition temp.

725 °F

expl. lim.

36 %

availability

available only in Japan

technique(s)

HPLC: suitable

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.)

format

neat

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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Application


  • Allelopathic effect of the methanol extract of the weed species-red sorrel (Rumex acetosella L.) on the growth, phytohormone content and antioxidant activity of the cover crop - white clover (Trifolium repens L.).: This study explores the use of methanol extracts from red sorrel to analyze their effects on white clover, revealing significant insights into allelopathic interactions and plant biochemistry (Lee IJ et al., 2024).

  • Improvement and prediction of the extraction parameters of lupeol and stigmasterol metabolites of Melia azedarach with response surface methodology.: Focuses on optimizing extraction parameters using methanol, enhancing the yield and purity of important plant metabolites, critical for pharmaceutical applications (Japelaghi RH, 2024).

  • Determination of cotinine and 3-hydroxynicotinine in human serum by liquid chromatography-tandem mass spectrometry and its application.: This paper utilizes methanol as a solvent in chromatographic techniques to detect and quantify nicotine metabolites in serum, showcasing its importance in clinical diagnostics (Wu YQ, 2024).

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

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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.

FSL

Group 4: Flammable liquids
Alcohols
Hazardous rank II

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

19-2470-7-1L-J:
19-2470-3-3L-J:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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