Thermo Scientific Chemicals L-Histidine, 98%

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

• Ammonium: 200ppm max.
• Chloride: 200ppm max.
• Chlorine (Cl): 200ppm max.
• Foreign Amino Acids: 0.5% max. (TLC)
• Heavy Metals (as Pb): 10ppm max.
• Assay Percent Range: 98%
• Infrared Spectrum: Authentic
• Iron (Fe): 10ppm max.
• Beilstein: 25, 513
• Loss on Drying: 0.2% max. (105°C, 3 hrs)
• Merck Index: 15, 4758
• Packaging: Plastic bottle
• Specific Rotation: + 12.40
• Solubility: Solubility in water: 41.6g/L (25 c). Other solubilities: soluble in mineral acids, insoluble in organic solvents
• Sulfate: 200ppm max.
• Transmittance: 98% min. (c=5, H2O, 430nm) 1cm cell
• Formula Weight: 155.16
• Physical Form: Powder, Lumpy Powder or Melt
• Sulfated Ash: 0.1% max.
• Percent Purity: 98%
• Specific Rotation Condition: +12.40° (20°C c=11,6N HCl)
• Color: White or Yellow
• Melting Point: 282.0°C
• pH: 7.0 to 8.5 (2% aq. soln.)
• Quantity: 500g
• Chemical Name or Material: L-Histidine

Safety and Handling

SDS

RUO – Research Use Only