L-Histidine, AJI92/EP5


Weight: 200g
Price:
Sale price$63.00

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.

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