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Aspartame Structure

Aspartame

Chemical Properties

Melting point 242-248 °C
alpha  15.5 º (c=4, 15N formic acid)
Boiling point 436.08°C (rough estimate)
Density  1.2051 (rough estimate)
refractive index  14.5 ° (C=4, 15mol/L Formic Acid)
storage temp.  2-8°C
solubility  Sparingly soluble or slightly soluble in water and in ethanol (96 per cent), practically insoluble in hexane and in methylene chloride.
pka pKa 3.19±0.01 (H2O t=25.0 I=0.100(NaCl))(Approximate);7.87±0.02(H2O t=25.0 I=0.100(NaCl))(Approximate)
form  Powder
color  White
Odor odorless with a sweet taste
PH pH(8g/l, 25℃) : 4.5~6.0
Water Solubility  Soluble in formic acid, dimethyl sulfoxide. Sparingly soluble in water and ethanol.
Merck  14,839
BRN  2223850
Sequence H-Asp-Phe-OMe
Stability Stable. Incompatible with strong oxidizing agents.
InChIKey IAOZJIPTCAWIRG-QWRGUYRKSA-N
LogP 0.542 (est)
FDA 21 CFR 172.804
Substances Added to Food (formerly EAFUS) ASPARTAME
CAS DataBase Reference 22839-47-0(CAS DataBase Reference)
EWG's Food Scores 1
NCI Dictionary of Cancer Terms glycopeptide
FDA UNII Z0H242BBR1
EPA Substance Registry System L-Phenylalanine, L-.alpha.-aspartyl-, 2-methyl ester (22839-47-0)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P280-P304+P340-P305+P351+P338
Safety Statements  22-24/25
WGK Germany  2
RTECS  WM3407000
TSCA  Yes
HS Code  29242990
Hazardous Substances Data 22839-47-0(Hazardous Substances Data)
Toxicity TDLo orl-wmn: 3710 mg/kg:SKN AIMEAS 104,207,86
NFPA 704:
1
0 0

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