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CAS No 94-26-8 , butyl 4-hydroxybenzoate

  • Name: butyl 4-hydroxybenzoate
  • Synonyms: Butyl p-hydroxybenzoate; 94-26-8; Butyl paraben;Butyl 4-hydroxybenzoate; n-Butyl p-hydroxybenzoate; Nipabutyl;butyl 4-hydroxybenzoate; Butyl chemosept; Butoben; BUTYLPARABEN;
  • CAS Registry Number:
  • Melting Point: 68-71 ºC
  • Density: 1.28
  • Refractive index: 1.562
  • Water Solubility: <0.1 G/100 ML AT 17 ºC
  • Safety Statements: Poison by intraperitoneal route. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.
  • EINECS: 202-318-7
  • Molecular Weight: 194.22706
  • InchiKey: QFOHBWFCKVYLES-UHFFFAOYSA-N
  • InChI: InChI=1S/C11H14O3/c1-2-3-8-14-11(13)9-4-6-10(12)7-5-9/h4-7,12H,2-3,8H2,
    1H3
  • Risk Statements: S24/25
  • Molecular Formula: C11H14O3
  • Molecular Structure:CAS No:94-26-8 butyl 4-hydroxybenzoate

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References of butyl 4-hydroxybenzoate
Title: Butylparaben
CAS Registry Number: 94-26-8
CAS Name: 4-Hydroxybenzoic acid butyl ester
Synonyms: n-butyl p-hydroxybenzoate
Trademarks: Butyl Chemosept; Butyl Parasept; Tegosept B
Molecular Formula: C11H14O3
Molecular Weight: 194.23
Percent Composition: C 68.02%, H 7.27%, O 24.71%
Literature References: Prepn of calcium and magnesium salts: Engels, Weijlard, US 2046324 and US 2056176 (both 1936 to Merck & Co.). Prepn of analogous derivatives: See ethyl-, methyl- and propylparaben.
Properties: Crystalline powder, mp 68-69°. Very slightly soluble in water (1:6500), glycerin; freely sol in acetone, alc, ether, chloroform, propylene glycol. Preserve in well-closed containers.
Melting point: mp 68-69°
 
Derivative Type: Calcium salt
Molecular Formula: C22H26CaO6
Molecular Weight: 426.52
Percent Composition: C 61.95%, H 6.14%, Ca 9.40%, O 22.51%
Properties: Cryst powder. Soly in water: approx 1:125.
 
Derivative Type: Magnesium salt
Molecular Formula: C22H26MgO6
Molecular Weight: 410.74
Percent Composition: C 64.33%, H 6.38%, Mg 5.92%, O 23.37%
Properties: Cryst powder. Soly in water: approx 1:110.
 
Use: Pharmaceutic aid (antifungal). Preservative in foods.