Product Name:L-Tyrosine
Synonyms: H-Tyr-OH;3-(4-Hydroxyphenyl)-L-alanine;
Molecular Formula: C9H11NO3
Molecular Weight: 181.19
CAS NO: 60-18-4;55520-40-6
EINECS NO: 200-460-4
Grade Standard: Pharma Grade, Food Grade
Purity: high purity
|
Item |
Specification |
|
Description |
White crystals or crystalline powder |
|
Specific rotation[a]D25° |
-9.8°~-11.2° |
|
Identification |
Infrared absorption |
|
Chloride(Cl) |
≤0.040% |
|
Sulfate(SO4) |
≤0.040% |
|
Iron(Fe) |
≤30PPm |
|
Heavy metals(Pb) |
≤15PPm |
|
Organic volatile impurities |
Meet the requirements |
|
Loss on drying |
≤0.30% |
|
Residue on ignition |
≤0.40% |
|
PH |
4.0~7.0 |
|
Assay |
98.5-101.5% |