Merck 104350 L-Histidine Monohydrochloride Monohydrate For Biochemistry 25 gr

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Analitik Kimyasallar

Brand

MERCK

Stock Code

LB.M.104350.0025

2.741,50 TL + VAT

3.289,80 TL

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MERCK 104350 L-Histidine Monohydrochloride Monohydrate for Biochemistry 25 gr
Catalogue Number	104350
Synonyms	His

MERCK 104350 L-Histidine Monohydrochloride Monohydrate for Biochemistry

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 (20 °C)
Melting Point	256 - 268 °C (decomposition)
pH value	3.5 - 4.5 (100 g/l, H₂O, 20 °C)
Vapor pressure	<1 hPa (20 °C)
Bulk density	770 kg/m3
Solubility	149.55 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
Sulfate (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 25 gr

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