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

Chemical Identifiers

• CAS: 71-00-1
• Molecular Formula: C6H9N3O2
• Molecular Weight (g/mol): 155.16
• MDL Number: MFCD00064315
• InChI Key: HNDVDQJCIGZPNO-UHFFFAOYNA-N
• Synonym: l-histidine, histidine, h-his-oh, glyoxaline-5-alanine, anti-rheuma, l---histidine, istidina, s-histidine, l-histidin
• PubChem CID: 6274
• ChEBI: CHEBI:15971
• IUPAC Name: (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid
• SMILES: NC(CC1=CN=CN1)C(O)=O

• Melting Point: 282.0°C
• Ammonium: 200ppm max.
• pH: 7.0 to 8.5 (2% aq. soln.)
• Color: White or Yellow
• 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
• Solubility Information: Solubility in water: 41.6g/L (25 c). Other solubilities: soluble in mineral acids, insoluble in organic solvents
• Specific Rotation: + 12.40
• Sulfate: 200ppm max.
• Formula Weight: 155.16
• Transmittance: 98% min. (c=5, H2O, 430nm) 1cm cell
• Percent Purity: 98%
• Sulfated Ash: 0.1% max.
• Specific Rotation Condition: +12.40° (20°C c=11,6N HCl)
• Quantity: 100 g
• Physical Form: Powder, Lumpy Powder or Melt
• Chemical Name or Material: L-Histidine

RUO – Research Use Only