| Identification | More | [Name]
L-TYROSINE HYDRAZIDE | [CAS]
7662-51-3 | [Synonyms]
H-TYR-NHNH2
L-TYROSINE HYDRAZIDE
L-tyrosinohydrazide
Tyrosinehydrazide
L-TYROSINE HYDRAZIDE 98% | [EINECS(EC#)]
231-631-1 | [Molecular Formula]
C9H13N3O2 | [MDL Number]
MFCD00007609 | [Molecular Weight]
195.22 | [MOL File]
7662-51-3.mol |
| Chemical Properties | Back Directory | [Appearance]
white fine crystals | [Melting point ]
196-198 °C(lit.) | [Boiling point ]
331.89°C (rough estimate) | [density ]
1.1985 (rough estimate) | [refractive index ]
78 ° (C=5, 1mol/L HCl) | [storage temp. ]
Keep in dark place,Inert atmosphere,Room temperature | [solubility ]
almost transparency in 1mol/L HCl | [form ]
powder to crystal | [pka]
9.96±0.15(Predicted) | [color ]
White to Orange to Green | [optical activity]
[α]20/D +76°, c = 4.2 in 1 M HCl | [BRN ]
2808635 | [CAS DataBase Reference]
7662-51-3(CAS DataBase Reference) | [EPA Substance Registry System]
L-Tyrosine, hydrazide (7662-51-3) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36:Irritating to the eyes.
R43:May cause sensitization by skin contact. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves . | [WGK Germany ]
3
| [HS Code ]
29280000 |
| Hazard Information | Back Directory | [Chemical Properties]
white fine crystals | [Uses]
Excellent reagent for the resolution of amino acids. | [Uses]
Resolving agent for various DL-amino acids | [reaction suitability]
reaction type: solution phase peptide synthesis | [Synthesis]
The synthesis of L-tyrosine hydrazide from L-tyrosine has been described. D-Tyrosine hydrazide has been obtained by resolution of DL-tyrosine hydrazide with Cbz-L-proline.
| [storage]
L-tyrosine hydrazide is stable in amber bottles, at room temperature, for indefinite periods of time. No special handling precautions have been described.
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