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CAS No 57-11-4 , octadecanoic acid

  • Name: octadecanoic acid
  • Synonyms: Stearinsaeure;octadecanoic acid; Octadecansaeure; Stearate; n-Octadecanoic acid; Cetylacetic acid;Octadecanoic acid; Stearophanic acid; Pearl stearic;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 67-69 ºC
  • Flash Point: 196 ºC
  • Boiling Point: 361 ºC
  • Density: 0.847
  • Refractive index: 1.4299
  • Water Solubility: 0.1-1 G/100 ML AT 23 ºC
  • Safety Statements: R11;R36/37/38
  • Hazard Symbols: Xi: Irritant;F: Flammable;
  • HS Code: 38231100
  • Flash Point: 196 ºC
  • EINECS: 200-313-4
  • Molecular Weight: 284.47724
  • InchiKey: QIQXTHQIDYTFRH-UHFFFAOYSA-N
  • InChI: 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)
  • Risk Statements: S16;S26;S37/39
  • Molecular Formula: C18H36O2
  • Molecular Structure:CAS No:57-11-4 octadecanoic acid

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57-11-4 Stearic Acid Double Pressed

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57-11-4 Commercial Stearic Acid

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References of octadecanoic acid
Title: Stearic Acid
CAS Registry Number: 57-11-4
CAS Name: Octadecanoic acid
Trademarks: Emersol 132 (Emery)
Molecular Formula: C18H36O2
Molecular Weight: 284.48
Percent Composition: C 76.00%, H 12.76%, O 11.25%
Line Formula: CH3(CH2)16COOH
Literature References: Occurs as a glyceride in tallow and other animal fats and oils, as well as in some vegetable oils; also prepd synthetically by hydrogenation of cottonseed and other vegetable oils.
Properties: White leaflets. d70 0.847; mp 69-70°; bp 383°; nD80 1.4299. Slowly volatilizes at 90-100°. Very slightly sol in water. One gram dissolves in 21 ml alcohol, 5 ml benzene, 2 ml chloroform, 26 ml acetone, 6 ml carbon tetrachloride, 3.4 ml carbon disulfide; also sol in amyl acetate, toluene. LD50 i.v. in mice, rats: 23±0.7, 21.5±1.8 mg/kg, L. Or?, A. Wretlind, Acta Pharmacol. Toxicol. 18, 141 (1961). U.S.P. stearic acid consists chiefly of a mixture of stearic and palmitic acids. It is in the form of white or slightly yellow, crystal masses, or a white to slightly yellow powder; slight tallow-like odor. Does not congeal below 54°.
Melting point: mp 69-70°
Boiling point: bp 383°
Index of refraction: nD80 1.4299
Density: d70 0.847
Toxicity data: LD50 i.v. in mice, rats: 23±0.7, 21.5±1.8 mg/kg, L. Or?, A. Wretlind, Acta Pharmacol. Toxicol. 18, 141 (1961)
 
Derivative Type: Ethyl ester
Synonyms: Ethyl stearate
Molecular Formula: C20H40O2
Molecular Weight: 312.53
Percent Composition: C 76.86%, H 12.90%, O 10.24%
Properties: White, cryst solid; odorless or practically so. mp 33-35°. bp 224°. Ethyl stearate of commerce solidifies at 20-24°; bp4 180°. Insol in water; sol in alcohol or ether.
Melting point: mp 33-35°
Boiling point: bp 224°; bp4 180°
 
Derivative Type: Methyl ester
Synonyms: Methyl stearate
Molecular Formula: C19H38O2
Molecular Weight: 298.50
Percent Composition: C 76.45%, H 12.83%, O 10.72%
Properties: White crystals. mp 38-39°. bp15 215°. Insol in water; sol in alcohol, ether.
Melting point: mp 38-39°
Boiling point: bp15 215°
 
Use: For suppositories, coating enteric pills, ointments, and for coating bitter remedies. Manuf stearates of aluminum, zinc, and other metals, stearin soap for opodeldoc, candles, phonograph records, insulators, modeling compds; impregnating plaster of Paris; in vanishing creams and other cosmetics.