Description
Product Name: L-Histidine
CAS Number: 71-00-1
Molecular Weight: 155.156
Standard: AJI92
* Melting Point: 282ºC
Specification:
|
Appearance: |
White crystalline powder |
|
Assay[dry basis]: |
99.0% to 101.0% |
|
Specific rotation [α]BDPB20P: |
+12.0PoP to +12.8PoP |
|
State of solution: |
Clear and colorless |
|
Transmittance: |
98.0% min. |
|
Loss on drying |
0.20% max. |
|
PH: |
7.0 to 8.5 |
|
Residue on ignition [sulfated]: |
0.10% max. |
|
Chloride [ClP-P]: |
0.02% max. |
|
Ammonium [NHB4PB+P]: |
0.02% max. |
|
Sulfate [SO4]: |
0.020% max. |
|
Iron [Fe]: |
10ppm max. |
|
Heavy metals [Pb]: |
10ppm max. |
|
Arsenic [As2O3]: |
1ppm max. |
|
Other amino acids: |
0.5% max. |