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L-Isoleucine for Biochemistry, 25g

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Key Spec Table

Empirical Formula CAS #
C₆H₁₃NO₂ 73-32-5

Description
Catalogue Number 105362
Synonyms iso-Leucine, Ile

Product Information
CAS number 73-32-5
EC number 200-798-2
Hill Formula C₆H₁₃NO₂
Molar Mass 131.17 g/mol
HS Code 2922 49 85
Structure formula Image Structure formula Image
Quality Level MQ100

Applications
Application L-Isoleucine for biochemistry. CAS 73-32-5, pH 5.5 - 6.5 (40 g/l, H₂O, 20 °C).

Physicochemical Information
Melting Point 279 - 280 °C (decomposition)
pH value 5.5 - 6.5 (40 g/l, H₂O, 20 °C)
Bulk density 470 kg/m3
Solubility 40 g/l

Safety Information according to GHS
RTECS NR4705000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
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
Assay (perchloric acid titration, calculated on dried substance) 99.0 - 101.0 %
Identity (IR-spectrum) passes test
Appearance white to almost white, crystalline powder or flakes
Appearance of solution (50 g/l, hydrochloric acid 1 mol/l) clear and not more intense in color than reference solution BY₆
Spec. rotation (α 20/D, 40 g/l, Hydrochloric acid 250 g/l, calc. on dried substance) +40.0 to +43.0
Chloride (Cl) ≤ 200 ppm
Sulfate (SO₄) ≤ 300 ppm
Heavy metals (as Pb) ≤ 10 ppm
As (Arsenic) ≤ 5 ppm
Ca (Calcium) ≤ 10 ppm
Co (Cobalt) ≤ 5 ppm
Fe (Iron) ≤ 5 ppm
K (Potassium) ≤ 5 ppm
Mg (Magnesium) ≤ 5 ppm
Na (Sodium) ≤ 50 ppm
Zn (Zinc) ≤ 5 ppm
Ninhydrin-positive substances (LC) (impurity A (570 nm)) ≤ 0.3 %
Ninhydrin-positive substances (LC) (impurity C (570 nm)) ≤ 0.3 %
Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity) ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)) ≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities) ≤ 1.0 %
Loss on drying (105 °C; 3 h) ≤ 0.3 %

MSDS

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TECHNICAL INFORMATION

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