Tryptophane
- Product NameTryptophane
- CAS73-22-3
- CBNumberCB00127925
- MFC11H12N2O2
- MW204.23
- EINECS200-795-6
- MDL NumberMFCD00064340
- MOL File73-22-3.mol
- MSDS FileSDS
Chemical Properties
| 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) |
| Merck | 14,9797 |
| BRN | 86197 |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents. |
| InChIKey | QIVBCDIJIAJPQS-VIFPVBQESA-N |
Safety
| Symbol(GHS) |
 
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| Signal word | Danger | |||||||||
| Hazard statements | H314-H225-H290 | |||||||||
| Precautionary statements | P501-P240-P210-P233-P234-P243-P241-P242-P264-P280-P370+P378-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P403+P235-P406-P405 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 33-40-62-41-37/38-36/37/38-22 | |||||||||
| Safety Statements | 24/25-36/37/39-36-26 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | YN6130000 | |||||||||
| F | 8 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29339990 | |||||||||
| Hazardous Substances Data | 73-22-3(Hazardous Substances Data) | |||||||||
| Toxicity | LD508mmol / kg (rat, intraperitoneal injection). It is safe when used in food (FDA, §172.320, 2000). | |||||||||
| NFPA 704: |
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