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LC2986 L-Histidine

suitable for use as excipient EMPROVE exp Ph Eur,

 

Order number Packaging Quantity Price €
AC29986 Plastic bottle 100 g inquire
AC29986 Plastic bottle 1 kg inquire
AC29986 Plastic bottle 10 kg inquire

 

Product information
Grade Ph Eur,USP
Hill Formula C6H9N3O2
HS Code 2933 29 90
EC number 200-745-3
Molar mass 155.16 g/mol
CAS number 71-00-1

 

Chemical and physical data
Solubility 38.2 g/l (20 °C)
Melting point 272 – 273 °C (decomposition)
Molar mass 155.16 g/mol
Bulk density 430 kg/m3
pH value 7.7 (10 g/l, H2O, 20 °C)

 

Safety information
RTECS MS3070000
Storage class 10 – 13 Other liquids and solids
WGK NWG not water endangering

 

Toxicological data
LD 50 oral LD50 rat > 5110 mg/kg

 

Specifications
Assay
– acidimetric, calculated on dried substance
98.5 – 101.0 %
– perchloric acid titration, calculated on dried substance 98.5 – 101.5 %
Identity (IR-spectrum) passes test
Appearance white to almost white fine-crystalline powder or colorless crystals
Appearance of solution (50 g/l; water) clear and not more intense in color than reference solution BY7.
Spec. rotation
– α 20/D, 110 g/l, hydrochloric acid 120 g/l, calc. on dried substance
+11.4° to +12.4°
– α 25/D, 110 g/l, hydrochloric acid 6 mol/l, calc. on dried substance +12.6° to +14.0°
pH (20 g/l, CO2-free water) 7.0 – 8.5
Chloride (Cl) ≤ 0.02 %
Sulfate (SO4) ≤ 0.03 %
Heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.001 %
NH4 (Ammonium) ≤ 0.02 %
Ninhydrin – positive substances (total (TLC)) ≤ 0.5 %
Residual solvents (Ph. Eur./USP/ICH) excluded by manufacturing process
Sulfated ash (600 °C) ≤ 0.1 %
Loss on drying (105 °C; 3 h) ≤ 0.2 %
Bacterial endotoxins ≤ 2.0 I.U./g
Corresponds to Ph. Eur., USP

 

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C6H9N3O2