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Key Documents

85769

Supelco

Methyl stearate

analytical standard

Synonym(s):

Methyl octadecanoate, Stearic acid methyl ester

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About This Item

Linear Formula:
CH3(CH2)16CO2CH3
CAS Number:
Molecular Weight:
298.50
Beilstein:
1786213
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

Assay

≥99.0% (GC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

bp

181-182 °C/4 mmHg (lit.)

mp

37-41 °C (lit.)

format

neat

functional group

ester

shipped in

ambient

storage temp.

room temp

SMILES string

CCCCCCCCCCCCCCCCCC(=O)OC

InChI

1S/C19H38O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(20)21-2/h3-18H2,1-2H3

InChI key

HPEUJPJOZXNMSJ-UHFFFAOYSA-N

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General description

Methyl stearate is a solid, saturated fatty ester, which can be prepared from methyl oleate via catalytic hydrogenation.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Other Notes

Ion Mobility: TWCCSN2 value of 191.4 Å2 [M+H]+

The collision cross section (CCS) measurement was provided by Waters Corporation, using the SYNAPT XS mass spectrometer.
For a description and overview of how ion mobility enables the measurement of the CCS of an ion visit ims.waters.com.
Further information on the SYNAPT XS mass spectrometer can be found on the IMS microsite and product webpage.

TWCCS measurements are expected to be within 2% of this reference value.

P/N 85769 is part of the Waters Extractables & Leachables UNIFI scientific library which can be downloaded from Waters Marketplace.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110.0 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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Introduction to Organic Laboratory Techniques: A Small Scale Approach (2005)
Introduction to Organic Laboratory Techniques: A Small Scale Approach (2005)
A Small Scale Approach to Organic Laboratory Techniques (2015)
A Small Scale Approach to Organic Laboratory Techniques null
Sonja Klee et al.
Rapid communications in mass spectrometry : RCM, 28(14), 1591-1600 (2014-06-05)
Atmospheric pressure chemical ionization (APCI) sources operated with point to plane DC discharges ('Coronas') frequently suffer from point electrode degradation and potentially lead to oxidation and/or fragmentation of the generated analyte ions. It is postulated that these adverse effects are

Protocols

HPLC Analysis of Fatty Acid Methyl Esters (FAMES) on SUPELCOSIL™ LC-18

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