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L-HISTIDINE HYDROCHLORIDE MONOHYDRATE Molecular Biology

L-a-Amino-ß-(4-imidazolyl)propionic acid monohydrochloride; L-Histidine monohydrochloride monohydrate

COAs

Packings

25 g (00025)

100 g (00100)

1PW1200060 1PW1200200
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Article No. 04067 Grade Molecular Biology
Purity 99% CAS No. 5934-29-2
Molecular Formula C6H10ClN3O2.H2O Molecular Weight 209.63
H.S. Code 2933.2990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
pH value 3 - 4 at 105 g/l at 25 °C Melting point/ Freezing point [°C] 254 °C
Solubility in water [% weight] 105 g/l at 20 °C - completely soluble

Specifications

Appearance White crystalline powder Assay (by HClO4 titration; on dried basis) Min 99%
DNAase/RNAase/Proteases Absent Specific optical rotation ([α]20/D) +8.5 to +9.5 deg
Heavy metal (as Pb) Max 0.001% Ammonium (NH4) Max 0.01%
Foreign amino acids Max 0.3% Other ninhydrin positive substances (as glycine) Max 0.1%

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date: 04-Mar-2025

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