Product Details
| Product Name: L-Tryptophan | CAS No.: 73-22-3 |
| EC-No.: 200-795-6 | Min. Order: 1KG |
| Purity: 98.5% | Supply Ability: 5000kg |
| Release date: 2026/05/28 | |
| Appearance: White to off White Powder | Package: 1kg/Bag; 25kg/Drum |
| Formula: C11H12N2O2 | Shipping: by Air, Sea, Express |
| Grade: Medicine grade | Key Words: L-Tryptophan |
L-Tryptophan CAS 73-22-3 supplier in China
| Melting point | 289-290 °C (dec.)(lit.) |
| alpha | -31.1 o (c=1, H20) |
| Boiling point | 342.72°C (rough estimate) |
| density | 1.34 |
| refractive index | -32 ° (C=1, H2O) |
| storage temp. | 2-8°C |
| solubility | 20% NH3: 0.1 g/mL at 20 °C, clear, colorless |
| form | powder |
| pka | 2.46(at 25℃) |
| color | White to yellow-white |
| PH | 5.5-7.0 (10g/l, H2O, 20℃) |
| Odor | wh. cryst. or cryst. odorless powd., sl. bitter taste |
| optical activity | [α]20/D 31.5±1°, c = 1% in H2O |
| Water Solubility | 11.4 g/L (25 oC) |
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China- Since: 2021-12-10
- Address: Qiaoxi District ,Shijiazhuang city, Hebei,Chicna
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