L-Histidine monohydrochloride monohydrate, Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart
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LC2990 L-Histidine monohydrochloride monohydrate

for biochemistry

 

Order number Packaging Quantity Price €
AC29990 Plastic bottle 25 g 18.45
AC29990 Plastic bottle 100 g 38.475
AC29990 Plastic bottle 500 g 171.90
AC29989 Plastic drum 10 kg inquire

 

Product information
Hill Formula C6H9N3O2 * ClH * H2O
HS Code 2933 29 90
EC number 211-438-9
Molar mass 209.64 g/mol
CAS number 5934-29-2

 

Chemical and physical data
Solubility 169.9 g/l (20 °C)
Melting point 259 °C (decomposition)
Molar mass 209.64 g/mol
Bulk density 770 kg/m3
pH value 3.5 – 4.5 (100 g/l, H2O, 20 °C)

 

Safety information
RTECS MS3119000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Specifications
Assay (alcalimetric, calculated on anhydrous substance) ≥ 99.0 %
Identity (IR-spectrum) passes test
Appearance white to almost white crystalline powder or colorless crystals
Appearance of solution (0.5 mol/l, water) clear and colorless.
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) +8.5 ° to +10.5 °
UV-Absorption
– 260 nm; 0.5 mol/l; 1 cm; water
≤ 0.05
– 280 nm; 0.5 mol/l; 1 cm; water ≤ 0.05
Sulfate (SO4) ≤ 0.01 %
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0005 %
Ca (Calcium) ≤ 0.001 %
Co (Cobalt) ≤ 0.0005 %
Fe (Iron) ≤ 0.0005 %
K (Potassium) ≤ 0.0005 %
Mg (Magnesium) ≤ 0.0005 %
Na (Sodium) ≤ 0.005 %
NH4 (Ammonium) ≤ 0.01 %
Zn (Zinc) ≤ 0.0005 %
Foreign amino acids ≤ 0.3 %
Other ninhydrine positive substances ≤ 0.1 %
Water (according to Karl Fischer) 8.0 – 9.0 %

 

L-Histidine monohydrochloride monohydrate, Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart

 

Loss on drying (105 °C; 3 h)