S4751

Stearic acid

Grade I, ≥98.5% (capillary GC)

• Synonym(s): 1-Heptadecanecarboxylic acid, C18:0, Cetylacetic acid, NSC 25956, NSC 261168, Octadecanoic acid, Stearophanic acid
• Linear Formula: CH₃(CH₂)₁₆COOH
• CAS Number: 57-11-4
• Molecular Weight: 284.48
• Beilstein/REAXYS Number: 608585
• EC Number: 200-313-4
• MDL number: MFCD00002752
• UNSPSC Code: 12352106
• PubChem Substance ID: 24899616
• NACRES: NA.25

Properties

• vapor pressure: 1 mmHg ( 173.7 °C)
• 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

Description

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.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: nwg
• flash_point_f: 392.0 °F - Cleveland open cup
• flash_point_c: 200 °C - Cleveland open cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves