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Lab Chemicals
Amino Acids & Derivatives
L-HISTIDINE HYDROCHLORIDE MONOHYDRATE
L-HISTIDINE HYDROCHLORIDE MONOHYDRATE For Biochemistry
L-a-Amino-ß-(4-imidazolyl)propionic acid monohydrochloride
Article No.
04066
Grade
For Biochemistry
Purity
99%
CAS No.
5934-29-2
Molecular Formula
C
6
H
1
0
ClN
3
O
2
.H
2
O
Molecular Weight
209.63
H.S. Code
2933.2990
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
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
Packings
25 g
(00025)
100 g
(00100)
500 g
(00500)
Specifications
Appearance
White crystalline powder
Assay (argentometric; on dried basis)
Min 99%
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 :
01-Apr-2021