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L-Methionine
- Product Name: L-Methionine
- CAS No: L-Methionine CAS: 63-68-3
- Standard: AJI92/USP24/FCC IV
- Appearance: White crystals or crystalline powder
- Packing : 25Kg/Drum, or based on request
- Manufacturer: Lifelong Chemical Co., Ltd
- Export Market: European, South American, North American, Asian and African etc
- Product Details
L-Methionine
CAS: 63-68-3
Molecular formula: C5H11NO2S
Molecular weight: 149.21
Product standard: AJI92/USP24/FCC IV
Character: White crystalline powder
Use: L-methionine is one of the eight amino acids that human body needs but cannot synthesize by itself. It is widely used in various fields such as amino acid infusion, oral liquid, beverage, food, biochemical reagent and daily life
Details:
|
Item |
Specifications |
||
|
AJI92 |
USP24 |
FCC IV |
|
|
Description |
White crystals or crystalline powder |
Colorless or white lustrous plates, or a white crystalline powder, it has slight, characteristic odor. |
|
|
Identification |
Infrared absorption spectrum |
||
|
Specific rotation |
+23.0 - +24.0 |
+22.4- +24.7 |
+21.0- +25.0 |
|
State of solution |
≥ 98.0% |
--- |
Soluble in water, alkali solutions and in dilute mineral acids |
|
Chloride(CL) |
≤ 0.020% |
≤ 0.05% |
--- |
|
Sulfate(SO4) |
≤ 0.020% |
≤ 0.03% |
--- |
|
Ammonium(NH4) |
≤ 0.02% |
|
--- |
|
Heavy metals(Pb) |
≤ 10PPm |
≤ 0.0015% |
≤ 10ppm |
|
Lead |
--- |
--- |
≤ 10mg/kg |
|
Iron(Fe) |
≤ 10PPm |
≤ 0.003% |
--- |
|
Arsenic(As2O3) |
≤ 1PPm |
--- |
--- |
|
Other amino acids |
Conforms |
--- |
--- |
|
Loss on drying |
≤ 0.20% |
≤ 0.30% |
≤ 0.5% |
|
Residue on ignition (sulfated) |
≤ 0.10% |
≤ 0.40% |
≤ 0.1% |
|
Assay |
99.0--- 101.0% |
98.5-101.5% |
98.5-101.5% |
|
PH |
5.6-6.1 |
5.6-6.1 |
--- |
|
O.V.I |
--- |
Meet the requirements |
--- |
Packing: 25Kg/Drum, or based on request
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