Merck 101542 L-Arginine for biochemistry 100 Gr
- Stok: Stokta var
- Ürün Kodu: 101542.0100
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Vergiler Hariç: 0,00TL
Ürün Detayları
Merck 101542 L-Arginine for biochemistry. CAS 74-79-3, pH 11.4 (100 g/l, H₂O, 20 °C).
Temel Özellikler Tablosu
| CAS # | Empirical Formula |
|---|---|
| 74-79-3 | C₆H₁₄N₄O₂ |
| Açıklama | |
|---|---|
| Katalog Numarası | 101542 |
| Eş anlamlı | Arg |
| Ürün Bilgisi | |
|---|---|
| CAS Numarası | 74-79-3 |
| EC Numarası | 200-811-1 |
| Tepe Formülü | C₆H₁₄N₄O₂ |
| Molar Kütle | 174.2 g/mol |
| HS Kodu | 2925 29 00 |
| Structure formula Image | |
| Quality Level | MQ100 |
| Fizikokimyasal Bilgiler | |
|---|---|
| Yoğunluk | 1.1 g/cm3 |
| Erime Noktası | 223 - 224 °C (decomposition) |
| pH Değeri | 11.4 (100 g/l, H₂O, 20 °C) |
| Buhar basıncı | <0.1 hPa (25 °C) |
| Kütle yoğunluğu | 640 kg/m3 |
| Çözünürlük | 148.7 g/l |
| Özellikler | |
|---|---|
| Assay (perchloric acid titration, calculated on dried substance) | 98.5 - 101.0 % |
| Özdeşlik (IR-spectrum) | Testi geçer |
| Appearance | white to almost white, crystalline powder or colorless crystals |
| Appearance of solution (50 g/l; water) | clear and not more intense in color than reference solution BY₆ |
| Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance) | +25.5 to +28.5 |
| Chloride (Cl) | ≤ 200 ppm |
| Sulfate (SO₄) | ≤ 200 ppm |
| Heavy metals (as Pb) | ≤ 10 ppm |
| As (Arsenic) | ≤ 5 ppm |
| Ca (Calcium) | ≤ 10 ppm |
| Co (Cobalt) | ≤ 5 ppm |
| Fe (Iron) | ≤ 5 ppm |
| K (Potassium) | ≤ 5 ppm |
| Mg (Magnesium) | ≤ 5 ppm |
| Na (Sodium) | ≤ 50 ppm |
| Zn (Zinc) | ≤ 5 ppm |
| Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity) | ≤ 0.2 % |
| Ninhydrin-positive substances (LC) (ammonium (570 nm)) | ≤ 0.02 % |
| Ninhydrin-positive substances (LC) (total impurities) | ≤ 0.5 % |
| Loss on drying (105 °C; 3 h) | ≤ 0.30 % |