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CAS No 22839-47-0 , Aspartame

  • Name: Aspartame
  • Synonyms: L-Phenylalanine, N-L-alpha-aspartyl-, 1-methyl ester; Nutrasweet;Aspartame;Equal; L-Aspartyl-L-phenylalanine methyl ester; L-alpha-aspartyl-L-phenylalanine-methylester;
  • CAS Registry Number:
  • Density: 1.28 g/cm3
  • Refractive index: 14.5 ° (C=4, 15mol/L Formic Acid)
  • Alpha: 15.5 º (C=4, 15N FORMIC ACID)
  • Safety Statements: Human systemic effects by ingestion: allergic dermatitis. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.Analytical Methods:   For occupational chemical analysis use NIOSH: Aspartame 5031.
  • EINECS: 245-261-3
  • Molecular Weight: 294.31
  • InChI: InChI=1/C14H18N2O5/c1-21-14(20)11(7-9-5-3-2-4-6-9)16-13(19)10(15)8-12(17)18/h2-6,10-11H,7-8,15H2,1H3,(H,16,19)(H,17,18)/t10-,11-/m1/s1
  • Risk Statements: S24/25,
  • Molecular Formula: C14H18N2O5
  • Molecular Structure:CAS No:22839-47-0 Aspartame

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References of Aspartame
Title: Aspartame
CAS Registry Number: 22839-47-0
CAS Name: N-L-a-Aspartyl-L-phenylalanine 1-methyl ester
Synonyms: 3-amino-N-(a-carboxyphenethyl)succinamic acid N-methyl ester; APM
Manufacturers' Codes: SC-18862
Trademarks: Equal (NutraSweet Co.); NutraSweet (NutraSweet Co.); Sanecta (Holland Sweetener)
Molecular Formula: C14H18N2O5
Molecular Weight: 294.30
Percent Composition: C 57.14%, H 6.16%, N 9.52%, O 27.18%
Literature References: Dipeptide ester about 160 times sweeter than sucrose in aqueous solution. Prepn: Davey et al., J. Chem. Soc. C 1966, 555; J. M. Schlatter, ZA 6702190; idem, US 3492131 (1968, 1970 both to Searle); H. Pietsch, Tetrahedron Lett. 1976, 4053; K. J. Vinick, S. Jung, ibid. 23, 1315 (1982); utilizing immobilized enzyme technology: C. Fuganti, P. Grasselli, ibid. 27, 3191 (1986). Structure-taste relationship: Mazur et al., J. Am. Chem. Soc. 91, 2684 (1969). Potential as a low-calorie sweetener: Cloninger, Baldwin, Science 170, 81 (1970). Metabolism: Oppermann et al., J. Nutr. 103, 1454, 1460 (1973).
Properties: Colorless needles from water, mp 246-247°. [a]D22 -2.3° (1N HCl).
Melting point: mp 246-247°
Optical Rotation: [a]D22 -2.3° (1N HCl)
Use: Non-nutritive sweetener.