- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : T/T,,MoneyGram,Other
Keywords
L-Leucine CAS：61-90-5 L-Leucine CAS：61-90-5
Quick Details
- Appearance:White crystals or crystals powde
- Application:medical intermediate
- PackAge:10g/bag,100g/bag,1kg/bag, 10kg/drum,25kg/drum
- ProductionCapacity:25|Kilogram|Month
- Storage:Seal kept ventilated place
- Transportation:safe & timely
Superiority:
Our Advantage:
1. Best quality in your requirement
2. Competitive price in China market
3. mature Technical support
4. Professional logistic support
5 . Full experience of large numbers containers loading in Chinese sea port
6. Fast shipment by reputed shipping line
7. Packing with pallet as buyer's special request
8. Best service after shipment with e mail
9. Cargoes together with container after-sales service available
10. Full experience in export
11. Raw materials from Chinese origin
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Details:
| Product Name: | L-Leucine |
| Synonyms: | (s)-2-amino-4-methylvalericacid;1-Leucine;2-Amino-4-methylpentanoic acid;2-amino-4-methylpentanoicacid;2-amino-4-methyl-valericaci;4-methyl-l-norvalin;4-methyl-norvalin;alpha-Amino-gamma-methylvaleric acid |
| CAS: | 61-90-5 |
| MF: | C6H13NO2 |
| MW: | 131.17 |
| EINECS: | 200-522-0 |
| Product Categories: | Food and Feed Additive;Amino Acid Derivatives;Leucine [Leu, L];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino |
| Mol File: | 61-90-5.mol |
|
|
|
| L-Leucine Chemical Properties |
| Melting point | >300 °C(lit.) |
| alpha | 15.4 º (c=4, 6N HCl) |
| density | 1,293 g/cm3 |
| FEMA | 3297 |
| Fp | 145-148°C |
| storage temp. | Store at RT. |
| solubility | 1 M HCl: 50 mg/mL |
| form | powder |
| Water Solubility | 22.4 g/L (20 C) |
| Sublimation | 145-148 ºC |
| Merck | 14,5451 |
| BRN | 1721722 |
| Stability: | Stability Moisture and light sensitive. Incompatible with strong oxidising agents. |
| CAS DataBase Reference | 61-90-5(CAS DataBase Reference) |
|
Item |
Limit |
Result |
|
Description |
White crystals or crystals powder |
White crystals powder |
|
Identification |
Infrared absorption |
Conforms |
|
Specific rotation[a]D20° |
+14.9°～+17.3° |
+15.8° |
|
State of solution |
≥98.0% |
≥98.6% |
|
Chloride(Cl) |
≤0.050% |
0.030% |
|
Sulfate(SO4) |
≤0.030% |
0.015% |
|
Iron(Fe) |
≤30PPm |
10PPm |
|
Heavy metals(Pb) |
≤15PPm |
5PPm |
|
Lead (Pb) |
≤5PPm |
0.3PPm |
|
Arsenic(As2O3) |
≤1PPm |
0.2PPm |
|
Other amino acids |
Conforms |
Conforms |
|
Organic volatile impurities |
Meets the requirements |
Conforms |
|
Residual solvents |
Meets the requirements |
Conforms |
|
Loss on drying |
≤0.20% |
0.10% |
|
Residue on ignition (Sulfated) |
≤0.10% |
0.05% |
|
Solubility in water |
Meets the requirements |
Conforms |
|
Assay |
98.5～101.5% |
99.5% |
|
PH |
5.5～6.5 |
5.60 |
|
Conclusion |
Qualified (usp32) |
|
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