L-Methionine
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
149.21
|
| 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.
L-Methionine
CAS No.：63-68-3
Molecular Formula：C5H11NO2S1
Molecular Weight：149.21
Physical and Chemical Properties
- Appearance: White crystalline powder
- Melting Point: 281～283°C (decomposes)
- Solubility: Soluble in water, slightly soluble in ethanol, insoluble in ether
- Odor: Slight characteristic odor
- Stability: Stable under normal ambient conditions
Application
- Feed additive: Essential amino acid for livestock and poultry feed fortification.
- Pharmaceutical raw material: Used for amino acid infusion and nutritional supplement preparation.
- Food industry: Nutritional fortifier in health food and beverage.
- Fine chemical intermediate for biochemical synthesis.
Storage Condition
Seal tightly, store in cool dry dark warehouse, avoid high temperature and dampness.
Certificate of Analysis
| Item | Specification | Test Result | Test Method |
| Product Name | L-Methionine | Conform | Identification |
| CAS No. | 63-68-3 | 63-68-3 | Standard |
| Molecular Formula | C5H11NO2S1 | C5H11NO2S1 | Standard |
| Molecular Weight | 149.21 | 149.21 | Standard |
| Appearance | White crystalline powder | White powder | Visual Inspection |
| Purity (Titration) | ≥99.0% | 99.62% | Titration |
| Specific Rotation [α]D20 | +21.0°~+25.0° | +23.2° | Polarimetry |
| Loss on Drying | ≤0.30% | 0.10% | Karl Fischer Titration |
| Residue on Ignition | ≤0.10% | 0.02% | Gravimetry |
| Heavy Metals | ≤10 ppm | <3 ppm | Atomic Absorption Spectrometry |
