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S4751

Sigma-Aldrich

Stearic acid

Grade I, ≥98.5% (capillary GC)

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Synonym(s):
1-Heptadecanecarboxylic acid, C18:0, Cetylacetic acid, NSC 25956, NSC 261168, Octadecanoic acid, Stearophanic acid
Linear Formula:
CH3(CH2)16COOH
CAS Number:
Molecular Weight:
284.48
Beilstein:
608585
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

vapor pressure

1 mmHg ( 173.7 °C)

Quality Level

type

Grade I

Assay

≥98.5% (capillary GC)

form

powder

bp

361 °C (lit.)

mp

67-72 °C (lit.)

solubility

chloroform: 100 mg/mL, clear, colorless

density

0.845 g/cm3

functional group

carboxylic acid

lipid type

saturated FAs

shipped in

ambient

storage temp.

2-8°C

SMILES string

CCCCCCCCCCCCCCCCCC(O)=O

InChI

1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)

InChI key

QIQXTHQIDYTFRH-UHFFFAOYSA-N

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This Item
175366761371621008
Stearic acid Grade I, ≥98.5% (capillary GC)

Sigma-Aldrich

S4751

Stearic acid

Stearic acid reagent grade, 95%

Sigma-Aldrich

175366

Stearic acid

Stearic acid certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Supelco

76137

Stearic acid

Stearic acid United States Pharmacopeia (USP) Reference Standard

USP

1621008

Stearic acid

assay

≥98.5% (capillary GC)

assay

95%

assay

-

assay

-

form

powder

form

powder or flakes

form

-

form

-

bp

361 °C (lit.)

bp

361 °C (lit.)

bp

361 °C (lit.)

bp

361 °C (lit.)

mp

67-72 °C (lit.)

mp

67-72 °C (lit.)

mp

67-72 °C (lit.)

mp

67-72 °C (lit.)

solubility

chloroform: 100 mg/mL, clear, colorless

solubility

-

solubility

-

solubility

acetone: soluble, benzene: freely soluble, chloroform: freely soluble, ethanol: soluble, ether: freely soluble, propylene glycol: soluble, water: practically insoluble

General description

Stearic acid is a C18 saturated fatty acid.

Application

Stearic acid has been used in fatty acid preparations.

Biochem/physiol Actions

β-Oxidation of stearic acid yields eight FADH2 (flavin adenine dinucleotide) and NADH2 (nicotinamide adenine dinucleotide) molecules and nine acetyl-CoA molecules.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

392.0 °F - Cleveland open cup

Flash Point(C)

200 °C - Cleveland open cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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