L-HISTIDINE HYDROCHLORIDE MONOHYDRATE

L-HISTIDINE HYDROCHLORIDE MONOHYDRATE Molecular Biology

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

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

MSDS

Certificate of Analysis (COAs)

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

Appearance	White crystalline powder
Assay (argentometric; 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 Statement: 22-24/25

Revision Date : 01-Apr-2021