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Merck 100126 I-Aspartic Acid For Biochemistry 100 gr

Marka
Stok Kodu
LB.M.100126.0100
Aynı Gün Kargo
Stoktan Teslim
Stok Sorunuz
MERCK 100126
I-Aspartic acid for biochemistry


Description 
Catalogue Number 100126
Synonyms L-α-Aminosuccinic acid, L-αlpha-Aminosuccinic acid, Asp
Product Information 
CAS number 56-84-8
EC number 200-291-6
Hill Formula C₄H₇NO₄
Molar Mass 133.1 g/mol
HS Code 2922 49 85
Structure formula Image
Physicochemical Information 
Melting Point 269 - 271 °C (decomposition)
pH value 2.5 - 3.5 (4 g/l, H₂O, 20 °C)
Bulk density 430 kg/m3
Solubility 4 g/l (20 °C)
Safety Information according to GHS 
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 at +5°C to +30°C.
Specifications 
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 (0.5 mol/l, hydrochloric acid 1 mol/l) clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) +25.3 to +26.3
UV-Absorption (260 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l) ≤ 0.25
UV-Absorption (280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l) ≤ 0.20
Chloride (Cl) ≤ 0.02 %
Sulphate (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 %
Loss on drying (105 °C; 3 h) ≤ 0.3 %
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Merck 100126 I-Aspartic Acid For Biochemistry 100 gr MERCK 100126 I-Aspartic acid for biochemistry LB.M.100126.0100
Merck 100126 I-Aspartic Acid For Biochemistry 100 gr

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