L-Phenylalanine
CAS No.: 63-91-2
Product Name: L-Phenylalanine
CAS#63-91-2
Package: 25kg/bag
Delivery time: Confirm after placing order
Dangerous goods or not: Not
Country of origin: China
CAS#63-91-2
Package: 25kg/bag
Delivery time: Confirm after placing order
Dangerous goods or not: Not
Country of origin: China
Description
Spec of L-Phenylalanine :
Items | Specification | Results |
Appearance | White crystals or crystalline powder | Approved |
Identification(IR) | Consistent with the reference spectrum | Conforms |
Assay(dried basis) | 98.5%~101.5% | 98.76 |
Loss on drying | ≤0.2% | 0.12 |
Residue on ignition | ≤0.1% | 0.05 |
PH value(1 in 100 aqueous solution) | 5.4~6.0 | 5.82 |
Specific rotation [a]p²⁰ | -33.2°~-35.2° | -33.95 |
Heavy metals ppm | ≤10 | <10 |
Lead (mg/KG) | ≤5 | <5 |