Basic information
- Name:
Aspartame
- CAS No.:
22839-47-0
- Molecular Structure:
- Formula:
- C14H18N2O5
- Molecular Weight:
- 294.34
- Deleted CAS:
- 7421-84-3|53906-69-7|172964-81-7
- Synonyms:
- r-Sweet;(3S)-3-amino-3-[[(1S)-1-methoxycarbonyl-2-phenyl-ethyl]carbamoyl]propanoic acid;Sweet cornSweet dipeptide;(3S)-3-azaniumyl-3-[[(1S)-1-methoxycarbonyl-2-phenyl-ethyl]carbamoyl]propanoate;NutraSweet;H-Asp-Phe-OMe;3-amino-3-[(1-methoxycarbonyl-2-phenyl-ethyl)carbamoyl]propanoic acid;L-Phenylalanine,L-R-aspartyl-,2-methyl ester;Aspartame (USAN);Aspartame FCC 4;Succinamic acid, 3-amino-N-(alpha-carboxyphenethyl)-,N-methyl ester;Aspartame FCC4;Aspartame Granula;β-Aspartame;
- EINECS:
- 245-261-3
- Density:
- 1.28 g/cm3
- Melting Point:
- 242-248 °C
- Boiling Point:
- 535.8 °C at 760 mmHg
- Flash Point:
- 277.8 °C
- Appearance:
- White powder or tablets
- Safety Description:
- 22-24/25 Details
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Chemistry
Molecular Structure:
Molecular Formula: C14H18N2O5
Molecular Weight: 294.3031
IUPAC Name: (3S)-3-Amino-4-[[(2S)-1-methoxy-1-oxo-3-phenylpropan-2-yl]amino]-4-oxobutanoic acid
Synonyms of Aspartame (CAS NO.22839-47-0): L-Phenylalanine, L-alpha-aspartyl-, 2-methyl ester ; L-Phenylalanine, N-L-alpha-aspartyl-, 1-methyl ester ; Succinamic acid, 3-amino-N-(alpha-carboxyphenethyl)-, N-methyl ester, stereoisomer
CAS NO: 22839-47-0
Classification Code: Flavoring Agents ; Food Additives ; Human Data ; Reproductive Effect ; Sweetener ; Sweetening Agents
Melting point: 242-248 °C
Index of Refraction: 1.557
Molar Refractivity: 74.01 cm3
Molar Volume: 229.7 cm3
Surface Tension: 55 dyne/cm
Density: 1.28 g/cm3
Flash Point: 277.8 °C
Enthalpy of Vaporization: 85.5 kJ/mol
Boiling Point: 535.8 °C at 760 mmHg
Vapour Pressure: 2.6E-12 mmHg at 25°C
Uses
Aspartame (CAS NO.22839-47-0) is an artificial sweetener. It is one of the main sugar substitutes used by people with diabetes.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | > 5gm/kg (5000mg/kg) | Toksikologicheskii Vestnik. Vol. (3), Pg. 37, 1996. | |
| mouse | LD50 | oral | > 10gm/kg (10000mg/kg) | Toksikologicheskii Vestnik. Vol. (3), Pg. 37, 1996. | |
| rat | LD50 | intraperitoneal | > 5gm/kg (5000mg/kg) | Toksikologicheskii Vestnik. Vol. (3), Pg. 37, 1996. | |
| rat | LD50 | oral | > 10gm/kg (10000mg/kg) | Toksikologicheskii Vestnik. Vol. (3), Pg. 37, 1996. | |
| women | TDLo | oral | 3710ug/kg (3.71mg/kg) | SKIN AND APPENDAGES (SKIN): "DERMATITIS, ALLERGIC: AFTER SYSTEMIC EXPOSURE" | Annals of Internal Medicine. Vol. 104, Pg. 207, 1986. |
Safety Profile
Human systemic effects by ingestion: allergic dermatitis. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.
Safety Statements of Aspartame (CAS NO.22839-47-0): 22-24/25
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 2
Analytical Methods
For occupational chemical analysis use NIOSH: Aspartame 5031.
Specification
The artificial sweetener Aspartame (CAS NO.22839-47-0) has been the subject of controversy since its initial approval by the U.S. Food and Drug Administration (FDA) in 1974. Concerns have been raised about the quality of the research supporting its safety and the long-term effects that increased consumption could have on the public.
