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57-11-4 - Stearic acid, 98% - Octadecanoic acid - A12244 - Alfa Aesar

A12244 Stearic acid, 98%

CAS-Nummer
57-11-4
Synonyme
Octadecanoic acid

Größe Preis ($) Menge Verfügbarkeit
5g 26,63
25g 73,89
100g 244,80
Zum Warenkorb hinzufügen Zur Angebotsanfrage hinzufügen Artikel anzeigen

Stearic acid, 98%

MDL
MFCD00002752
EINECS
200-313-4

Chemische Eigenschaften

Formel
CH3(CH2)16CO2H
Molmasse
284.48
Schmelzpunkt
69-72°
Siedepunkt
232°/15mm
Flammpunkt
196°(384°F)
Dichte
0.941
Löslichkeit
Soluble in ethanol, dimethyl sulfoxide, dimethyl formamide, carbon terachloride, toluene, chloroform, acetone and carbondisulfide. Insoluble in water.

Anwendungen

A saturated fatty acid Stearic acid is used as a raw material in the production of detergents, surfactants, soaps, and cosmetics such as shampoos and shaving cream products. Its salts are used to soften polyvinyl chloride and a component of grease. It is used for the preparation of softeners in textile sizing with castor oil and dietary supplements. It acts as a hardener in candles with simple sugar or corn syrup. It is utilized for the coating of metal powders like aluminum and iron in fireworks. It finds application as a common lubricant during injection molding and pressing of ceramic powders. It acts as a key raw material for the synthesis of stearyl alcohol by reduction.

Bemerkungen

Store in a cool place. Incompatible with bases, oxidizing agents and reducing agents.

Literaturverweise

Cruz, L.; Fernandes, V. C.; Araújo, P.; Mateus, N.; de Freitas, V. Synthesis, characterisation and antioxidant features of procyanidin B4 and malvidin-3-glucoside stearic acid derivatives. Food Chem. 2015, 174, 480-486.

Sarı, A.; Alkan, C.; Özcan, A. N. Synthesis and characterization of micro/nano capsules of PMMA/capric-stearic acid eutectic mixture for low temperature-thermal energy storage in buildings. Energy Build. 2015, 90, 106-113.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,8804
Beilstein
608585
Harmonized Tariff Code
2915.70
TSCA
Yes
RTECS
WI2800000

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