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| Product Name: | Aspartame | Other Name: | L-Phenylalanine,L-α-aspartyl-,2-methyl ester;Succinamic acid,3-amino-N-(α-carboxyphenethyl)-,N-methyl ester,stereoisomer;L-Phenylalanine,N-L-α-aspartyl-,1-methyl ester;L-Aspartyl-L-phenylalanine methyl ester;Aspartylphenylalanine methyl ester;L-α-Aspartyl-L-phenylalanine methyl ester;L-Aspartyl-L-3-phenylalanine methyl ester;α-L-Aspartyl-L-phenylalanine methyl ester;Methyl aspartylphenylalanate;Sweet dipeptide;Aspartame;L-Aspartyl-L-phenylalanyl methyl ester;Canderel;Dipeptide sweetener;α-Sweet;NutraSweet;Palsweet Diet;E 951;Pal Sweet;Equal;α-Aspartame;L-Aspartame;Finn;Zero-Cal;Sladex;Pal Sweet Diet G 100;7421-84-3;53906-69-7;172964-81-7 |
| CAS No.: | 22839-47-0 | Molecular Formula: | C14H18N2O5 |
| InChIKeys: | InChIKey=IAOZJIPTCAWIRG-QWRGUYRKSA-N | Molecular Weight: | 294.30300 |
| Exact Mass: | 294.30 | EC Number: | 616-062-2 |
| UNII: | Z0H242BBR1 | NSC Number: | 758953 |
| DSSTox ID: | DTXSID0020107 | Color/Form: | Colorless needles from water|White crystalline powder from water or alcohol |
| HScode: | 2924299090 | Categories: | Sweeteners |
| PSA: | 118.72000 | XLogP3: | -2.7 |
| Appearance: | White powder or flake | Density: | 1.28 g/cm3 |
| Melting Point: | 246-247 °C | Boiling Point: | 535.8ºC at 760 mmHg |
| Flash Point: | 277.8ºC | Refractive Index: | 14.5 ° (C=4, 15mol/L Formic Acid) |
| Water Solubility: | The solubility of aspartame in water is dependent on pH and temperature, the maximum solubility is reached at pH 2.2 (20 mg/mL at 25 °C) and the minimum solubility at pH 5.2 (pHi) is 13.5 mg/mL at 25 °C. | Storage Conditions: | Ventilated low temperature drying |
| Vapor Pressure: | 2.6E-12mmHg at 25°C | Toxicity: | TDLo orl-wmn: 3710 mg/kg:SKN AIMEAS 104,207,86 |
| Specific rotation: | [α]D/20: + 14,5° to + 16,5°; Determine in a 4 in 100/15 N formic acid solution within 30 minutes after preparation of the sample solution | Odor: | Odorless |
| Taste: | Sweet | PH: | Between 4,5 and 6,0 (1 in 125 solution) |
| Henrys Law Constant: | Henry’s Law constant = 2.53X10-18 atm-cu m/mol at 25 °C (est) | Dissociation Constants: | pKa1 = 2.96 (carboxyl); pKa2 = 7.30 (amine) (est) |
| Collision Cross Section: | 169.6 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|166.71 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|167.6 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|126.6 Ų [M-H]- | Experimental Properties: | Dipeptide ester about 160 times sweeter than sucrose in aqueous solution |
Classification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
| Pictogram(s) | No symbol. |
|---|---|
| Signal word |
No signal word |
| Hazard statement(s) |
none |
| Precautionary statement(s) | |
| Prevention |
none |
| Response |
none |
| Storage |
none |
| Disposal |
none |
Other hazards which do not result in classification
no data available
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
The bulk material should be stored in a well-closed container, in a cool, dry place.