L-Histidine base (Ph. Eur., USP) pure, pharma grade

Assay (titr., calc. on dried subst.): 98.5 - 101.0 %

Recommended prices only. For prices and orders please contact your local distributor.
Box prices only valid with purchase of full box.

code	packaging size	price per unit	box price per unit
Code & packaging		Price per piece
code A1341,0100	packaging size 100 g	Product active until stock lasts.
code A1341,1000	packaging size 1 kg	price per unit single $442,80	box price per unit $376,38x 6 units
code A1341,5000	packaging size 5 kg	price per unit single $2201,55	box price per unit

Product Code:: A1341
Product Name:: L-Histidine base (Ph. Eur., USP) pure, pharma grade
Headline Comment:: • All amino acids from AppliChem are of non-animal origin!
Specifications:: Assay (titr., calc. on dried subst.): 98.5 - 101.0 %
α20°C/D; 11 %, HCl 120 g/L; calc. on dried subst.: +11.4° - +12.4°
α25°C/D; 11 %, 6 M HCl; calc. on dried subst.: +12.6° - +14.0°
Appearance of solution: passes test
Identity: passes test
pH (2 %; H₂O; 25°C): 7.0 - 8.5
Sulfated ash: max. 0.1 %
Loss on drying (3 h; 105°C): max. 0.2 %
Heavy metals (as Pb): max. 0.0015 %
Ammonium: max. 0.02 %
Chloride: max. 0.02 %
Sulfate: max. 0.03 %
Fe: max. 0.001 %
Ninhydrin positive substances (HPLC)
Each individual impurity: max. 0.2 %
Total impurities: max. 0.5 %
Ninhydrin positive substances (TLC)
Each individual impurity: max. 0.5 %
Total impurities: max. 2 %