MilliporeSigma
All Photos(1)

S5376

Sigma-Aldrich

Methyl stearate

~99% (GC)

Sign Into View Organizational & Contract Pricing

Select a Size

Synonym(s):
Methyl octadecanoate, Stearic acid methyl ester
Linear Formula:
CH3(CH2)16CO2CH3
CAS Number:
Molecular Weight:
298.50
Beilstein:
1786213
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Assay

~99% (GC)

form

powder

bp

181-182 °C/4 mmHg (lit.)

mp

37-41 °C (lit.)

functional group

ester

lipid type

saturated FAs

shipped in

ambient

storage temp.

−20°C

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

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
75533PHR1414W504807
Methyl stearate ~99% (GC)

Sigma-Aldrich

S5376

Methyl stearate

Methyl stearate certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Supelco

75533

Methyl stearate

Methyl Stearate Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1414

Methyl Stearate

Methyl stearate ≥96%, FG

Sigma-Aldrich

W504807

Methyl stearate

form

powder

form

-

form

-

form

-

bp

181-182 °C/4 mmHg (lit.)

bp

181-182 °C/4 mmHg (lit.)

bp

181-182 °C/4 mmHg (lit.)

bp

181-182 °C/4 mmHg (lit.)

mp

37-41 °C (lit.)

mp

37-41 °C (lit.)

mp

37-41 °C (lit.)

mp

37-41 °C (lit.)

functional group

ester

functional group

-

functional group

-

functional group

-

shipped in

ambient

shipped in

-

shipped in

-

shipped in

-

General description

Methyl stearate or methyl octadecanoic acid is a saturated methyl ester and a representative key molecule of biodiesel fatty acid methyl esters (FAMEs) produced from vegetable oils. Methyl stearate occurs naturally in clove oil.

Application

Methyl stearate has been used as a reference standard
  • in gas chromatography (GC) to evaluate the absolute amount of methyl stearate among the fatty acid methyl esters of biodiesel
  • to evaluate the intramuscular fatty acid profile of fresh lamb meat in GC
  • to qualitatively analyse the transesterification reaction products by thin layer chromatography

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

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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 7

1 of 7

Methyl palmitoleate ≥99% (capillary GC), liquid

Sigma-Aldrich

P9667

Methyl palmitoleate

Methyl linolenate ≥99% (GC)

Sigma-Aldrich

L2626

Methyl linolenate

Methyl laurate 99.5%

Sigma-Aldrich

234591

Methyl laurate

Methyl stearate European Pharmacopoeia (EP) Reference Standard

M1770200

Methyl stearate

Methyl stearate United States Pharmacopeia (USP) Reference Standard

USP

1437508

Methyl stearate

Methyl tetracosanoate ≥99.0% (capillary GC)

Sigma-Aldrich

L6766

Methyl tetracosanoate

Volatile components of clove essential oil (Eugenia caryophyllus Spreng): neutral fraction
Muchalal M and Crouzet J
Agricultural and Biological Chemistry, 49(6), 1583-1589 (1985)
Effects of specific fatty acid methyl esters on diesel fuel lubricity
Geller DP and Goodrum JW
Fuel: The Science and Technology of Fuel and Energy, 83(17-18), 2351-2356 (2004)
Incorporation of thyme leaves in the diet of pregnant and lactating ewes: Effect on the fatty acid profile of lamb
Nieto G, et al.
Small Ruminant Research, 105(1-3), 140-147 (2012)
The effect of genotype and environment on biodiesel quality prepared from Indian mustard (Brassica juncea) grown in Australia
Wilkes MA, et al.
Industrial Crops and Products, 48, 124-132 (2013)
Xun Gao et al.
International journal of analytical chemistry, 2020, 9760580-9760580 (2020-09-22)
A simple, sensitive, and exact methyl esterification in combination with gas chromatography-mass spectrometry (GC-MS) method was developed to determine the contents of palmitic acid and stearic acid in the chlorinated butyl rubber stoppers and liposome injections in order to evaluate

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service