L-Histidine CAS 71-00-1
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Category：Amino Acids Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
L-HISTIDINE
CAS No.: 71-00-1
Molecular Formula: C₆H₉N₃O₂
Molecular Weight: 155.16 g/mol
1. DESCRIPTION
- Appearance: White or almost white crystalline powder/colorless crystals
- Solubility:
- Freely soluble in water
- Very slightly soluble in alcohol
- Insoluble in ether
- Melting Point: 277°C–288°C (with decomposition)
2. SPECIFICATIONS
| Parameter | Standard Value |
|---|---|
| Appearance of Solution | Clear; ≤ reference solution BY7 |
| Assay | 98.5%–101.0% |
| Specific Optical Rotation | +11.4° to +12.4° |
| Ninhydrin-Positive Impurities | ≤0.5% (any single impurity) |
| Chloride (Cl) | ≤0.02% |
| Sulfate (SO₄) | ≤0.03% |
| Ammonium (NH₄) | ≤0.02% |
| Iron (Fe) | ≤10 ppm |
| Heavy Metals | ≤10 ppm |
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.1% |
3. APPLICATIONS
- Nutritional Supplement:
- Essential component in amino acid infusions and complex preparations.
- Medical Uses:
- Treatment of gastric ulcers, anemia, and allergic conditions.
- Supports histamine synthesis and immune function.
4. PACKAGING & STORAGE
- Packaging: 25 kg/drum (or as per customer requirements).
- Storage: Cool, dry place; protect from light.
5. NOTES
- Stability: Stable under recommended storage conditions.
- Handling: Avoid prolonged exposure to moisture.
Disclaimer:
The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
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