H-Asp-Phe-OH
Synonym(s):L -Aspartyl-L -phenylalanine;Aspartame acid
- CAS NO.：13433-09-5
- Empirical Formula: C13H16N2O5
- Molecular Weight: 280.28
- MDL number: MFCD00063155
- EINECS: 236-557-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:54:10
What is H-Asp-Phe-OH?
Chemical properties
white powder
The Uses of H-Asp-Phe-OH
L-Aspartyl-L-phenylalanine is an impurity of Thiamine (T344185). Thiamine Impurity B.
Definition
ChEBI: A dipeptide formed from L-alpha-aspartyl and L-phenylalanine residues. It is obtained after the hydrolysis of aspartame in intestinal lumen.
Properties of H-Asp-Phe-OH
| Melting point: | 236-239 °C(lit.) |
| Boiling point: | 423°C (rough estimate) |
| Density | 1.2419 (rough estimate) |
| refractive index | 1.6450 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,2-8°C |
| solubility | DMSO:5.0(Max Conc. mg/mL);17.84(Max Conc. mM) DMSO:PBS (pH 7.2) (1:2):0.3(Max Conc. mg/mL);1.07(Max Conc. mM) |
| pka | 3.35±0.10(Predicted) |
| form | Powder |
| color | Off-white to yellow to beige to orange to tan |
| optical activity | [α]20/D +12.5°, c = 1 in 0.5 M HCl |
| BRN | 2817528 |
Safety information for H-Asp-Phe-OH
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for H-Asp-Phe-OH
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