Description
Product Name: L-Tyrosine
CAS No.: 60-18-4
EINECS No.: 200-460-4
Chemical Formula: C9H11NO3
Molecular Weight: 181.1908
Other names:
L-2-Amino-3-(4-hydroxyphenyl)propanoic acid
Specification:
|
Appearance: |
White powder |
|
Assay: |
99.0% to 100.5% |
|
Specific rotation [α]D20: |
-9.8o to -11.2o |
|
State of solution: |
Clear and colorless |
|
Transmittance: |
95.0% min. |
|
Loss on drying |
0.20% max. |
|
PH: |
5.0 to 6.5 |
|
Residue on ignition [sulfated]: |
0.10% max. |
|
Chloride [Cl-]: |
0.020% max. |
|
Ammonium [NH4+]: |
0.02% max. |
|
Sulfate [SO42-]: |
0.02% max. |
|
Iron [Fe]: |
10ppm max. |
|
Heavy metals [Pb]: |
10ppm max. |
|
Arsenic [As2O3]: |
1ppm max. |
|
Other amino acid: |
Not detectable. |