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DL-Histidine Structure

DL-Histidine

Chemical Properties

Melting point 273 °C (dec.)(lit.)
Boiling point 278.95°C (rough estimate)
Density  1.3092 (rough estimate)
refractive index  1.6500 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  0.5 M HCl: soluble
pka 1.8(at 25℃)
form  powder to crystal
color  White to Almost white
Merck  14,4720
BRN  7800
Major Application peptide synthesis
Cosmetic Ingredient Review (CIR) DL-Histidine (4998-57-6)
InChI 1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)
InChIKey HNDVDQJCIGZPNO-UHFFFAOYSA-N
SMILES NC(Cc1c[nH]cn1)C(O)=O
CAS DataBase Reference 4998-57-6(CAS DataBase Reference)
EPA Substance Registry System Histidine (4998-57-6)

Safety Information

Hazard Codes  Xn
Risk Statements  22-36/37/38
Safety Statements  22-24/25-36/37-26
WGK Germany  3
TSCA  TSCA listed
HS Code  29339900
Storage Class 11 - Combustible Solids

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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