8.00673

Stearic acid

for synthesis

• Synonym(s): Stearic acid
• Linear Formula: CH₃(CH₂)₁₆COOH
• CAS Number: 57-11-4
• Molecular Weight: 284.48
• MDL number: MFCD00002752
• UNSPSC Code: 12352106
• EC Index Number: 200-313-4
• NACRES: NA.22

Properties

• Quality Level: 200
• assay: ≥97% (GC)
• form: solid
• autoignition temp.: 395 °C
• potency: >5000 mg/kg LD₅₀, oral (Rat); >5000 mg/kg LD₅₀, skin (Rabbit)
• bp: 370 °C/1013 hPa
• mp: 68-70 °C
• transition temp: flash point 196 °C
• solubility: water: insoluble at 20 °C
• bulk density: 400‑500 kg/m³
• storage temp.: 2-30°C
• 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

Application

• Green Strong Cornstalk Rind-Based Cellulose-PVA Aerogel for Oil Adsorption and Thermal Insulation: This study highlights a novel aerogel incorporating stearic acid for enhanced oil adsorption and thermal insulation properties (X Yi et al., 2024).


• Preparation and characterization of self-aggregating micelles from stearic acid-modified burdock root polysaccharide: Focuses on the development of micelles using stearic acid, exploring their potential in food science and technology (C Zhang et al., 2024).


• A prototype system for the removal of 137Cs from liquid radioactive waste using reverse osmosis membrane: Discusses the use of a stearic acid-modified membrane for improving radioactive waste treatment (M Shaltout et al., 2024).



• Compatibility study of mirtazapine with several excipients used in pharmaceutical dosage forms employing thermal and non-thermal methods: Investigates interactions between stearic acid and pharmaceutical excipients, indicating possible concerns for drug formulation (D Circioban et al., 2024).

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Melting range (lower value): ≥ 68 °C
Melting range (upper value): ≤ 70 °C
Identity (IR): passes test

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