L-Leucine
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
131.17
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
White crystalline powder
|
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-Leucine
CAS Number: 61-90-5
Alias: L-2-Amino-4-methylpentanoic acid
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
IUPAC Name: (2S)-2-amino-4-methylpentanoic acid
Structural Information
- Structure Type: Essential amino acid, aliphatic amino acid
- Structural Features: Contains amino group, carboxyl group and isobutyl side chain; optically active L-isomer.
Physical & Chemical Properties
- Appearance: White crystalline powder
- Odor: Odorless, slightly bitter taste
- Melting Point: 293-295 °C (decomposition)
- Solubility: Slightly soluble in water; insoluble in ethanol and ether
- Stability: Stable under normal conditions; resistant to mild heat, decomposes under strong alkali.
Synthesis & Applications
Production Method
Extracted from protein hydrolysis or prepared by microbial fermentation, then recrystallized and purified.
Main Applications
- Food Industry: Nutritional fortifier, flavor enhancer.
- Pharmaceuticals: Raw material for amino acid infusion and oral preparations.
- Feed Additive: Nutritional supplement for livestock and poultry.
- Health Products: Used in sports nutrition supplements.
Safety & Storage Instructions
- Hazard Classification: Low toxicity, mild irritant.
- Personal Protection: Wear dust mask and ordinary gloves, avoid long-term inhalation of dust.
- Storage Condition: Sealed, cool, dry and ventilated place, moisture-proof.
- Transportation: General goods, prevent package damage and dampness.
Quality Specifications
- Purity: ≥99.0% (HPLC)
- Loss on Drying: ≤0.5%
- Residue on Ignition: ≤0.1%
- Specific Rotation: +14.5° ~ +16.5°
Information Summary Table
| Item | Specification |
| CAS Number | 61-90-5 |
| Product Name | L-Leucine |
| Synonym | L-2-Amino-4-methylpentanoic acid |
| Molecular Formula | C6H13NO2 |
| Molecular Weight | 131.17 |
| Appearance | White crystalline powder |
| Melting Point | 293-295 °C (decompose) |
| Solubility | Slightly soluble in water |
| Purity | ≥99.0% |
| Storage Condition | Sealed, cool dry place, moisture-proof |
| Hazard Property | Low toxicity, mild irritant |
| Main Usage | Food fortifier, pharmaceutical raw material, feed additive |
