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

Solubility:

42 g/L (H₂O)

Physical Description:

Solid

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 %

WGK:

1

Storage:

RT

EINECS:

200-745-3

CS:

29332990

Download TDS file for complete specifications