Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: L-Phenylalanine
CAS Number: 63-91-2
Alias: L-Phe, (S)-2-Amino-3-phenylpropanoic acid
Chemical Full Name: (2S)-2-amino-3-phenylpropanoic acid
Molecular Formula: C9H11NO2
Molecular Weight: 165.19
EINECS: 200-568-1
Structural Information
- Structure Type: Chiral aromatic essential amino acid
- Structural Features: Contains α-amino group, α-carboxyl group and benzyl side chain; single chiral carbon with L-configuration; participates in human protein synthesis, precursor for tyrosine, neurotransmitters and artificial sweetener aspartame
- Characteristic: Essential amino acid for human body, widely used in food, pharmaceutical and fermentation industries
Physical & Chemical Properties
- Appearance: White crystalline powder
- Odor: Odorless, slight bitter taste
- Melting Point: 270–275 °C (decomposes)
- Specific Rotation: [α]D2? ?34.0° ~ ?35.5° (c=1, water)
- Solubility: Slightly soluble in cold water, soluble in hot water; insoluble in ethanol, ether, acetone
- Stability: Stable under light-proof sealed dry storage; undergoes Maillard reaction with reducing sugars under heating; stable under neutral and weak acid conditions
Synthesis & Applications
Production Method
Microbial fermentation (main industrial route) or chemical chiral resolution, recrystallization purification.
Main Applications
- Food additive: Nutritional fortifier for functional food, sports nutrition supplements, raw material for aspartame sweetener
- Pharmaceutical raw material: Amino acid infusion injection component, chiral intermediate for anti-depressant, anti-viral drugs
- Feed additive: High-grade feed nutrition enhancer for livestock and poultry
- Biochemical reagent: Standard reagent for protein research, cell culture medium additive
Safety & Storage Instructions
GHS Hazard Classification
No serious hazard signal word
- H315 Mild skin irritation
- H319 Slightly irritates eyes
Personal Protection
Ordinary dust mask and rubber gloves; avoid long-term dust contact with eyes.
Storage Condition
Hermetically sealed PE lined paper drum, cool dry warehouse ≤25℃; isolate oxidants, prevent moisture absorption and caking.
Transportation
General food & pharmaceutical grade amino acid powder; moisture-proof packaging, separated from toxic chemicals.
Quality Specifications
- Purity (HPLC): ≥99.0%
- Loss on Drying: ≤0.3%
- Residue on Ignition: ≤0.1%
- Heavy metal (Pb): ≤10 ppm
- Optical purity: ≥99.5% ee
Information Summary Table
| Item | Specification |
| CAS Number | 63-91-2 |
| Product Name | L-Phenylalanine |
| Synonym | L-Phe |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 |
| Appearance | White crystalline powder |
| Melting Point | 270–275℃ (decomposition) |
| Core Advantage | Essential chiral amino acid, aspartame & pharmaceutical chiral building block |
| Storage Rule | Sealed dry storage, avoid damp and oxidants |
| Hazard Property | Low toxicity, only mild skin and eye irritation |
| Main Usage | Food nutrition fortifier, aspartame raw material, amino acid injection API, chiral pharmaceutical intermediate |
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