MERCK 104350 L-Histidine monohydrochloride monohydrate for biochemistry. CAS 5934-29-2, pH 3.5 - 4.5 (100 g/l, H₂O, 20 °C)
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MERCK 104350 L-Histidine monohydrochloride monohydrate for biochemistry. CAS 5934-29-2, pH 3.5 - 4.5 (100 g/l, H₂O, 20 °C)

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KİMYASAL ÜRÜNLER
Stok Kodu
SLV.M.104350.0025
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52,19 EUR + KDV
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Description
Catalogue Number 104350
Synonyms His
Product Information
CAS number 5934-29-2
EC number 211-438-9
Hill Formula C₆H₁₀ClN₃O₂ * H₂O
Molar Mass 209.63 g/mol
HS Code 2933 29 90
Structure formula Image
Applications
Application L-Histidine monohydrochloride monohydrate for biochemistry. CAS 5934-29-2, pH 3.5 - 4.5 (100 g/l, H₂O, 20 °C).
Physicochemical Information
Density 1.49 g/cm3
Melting Point 259 °C (decomposition)
pH value 3.5 - 4.5 (100 g/l, H₂O, 20 °C)
Bulk density 770 kg/m3
Solubility 169.9 g/l
Safety Information according to GHS
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.
Storage and Shipping Information
Storage Store below +30°C.
Specifications
Assay (alkalimetric, calculated on dried substance) ≥ 99.0 %
Identity (IR-spectrum) passes test
Appearance white to almost white crystalline powder or colorless crystals
Appearance of solution (50 g/l CO₂-free water) clear and colorless
Spec. rotation (α 20/D, 110 g/l, hydrochloric acid 120 g/l, calc. on dried substance) +9.2 to +10.6
Sulphate (SO₄) ≤ 0.02 %
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 %
Loss on drying (150 °C) 7.0 - 10.0 %
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MERCK 104350 L-Histidine monohydrochloride monohydrate for biochemistry. CAS 5934-29-2, pH 3.5 - 4.5 (100 g/l, H₂O, 20 °C) SLV.M.104350.0025
MERCK 104350 L-Histidine monohydrochloride monohydrate for biochemistry. CAS 5934-29-2, pH 3.5 - 4.5 (100 g/l, H₂O, 20 °C)

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