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105707 L-Metionin

105707
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Áttekintés

Replacement Information

Kulcsspecifikációk táblázata

CAS #Empirical Formula
63-68-3C₅H₁₁NO₂S

Products

KatalógusszámCsomagolás Menny./csomag
1057071000 Muanyagpalack 1 kg
1057079010 Muanyagdob 10 kg
Description
Catalogue Number105707
SynonymsMet
References
Product Information
CAS number63-68-3
EC number200-562-9
Hill FormulaC₅H₁₁NO₂S
Molar Mass149.21 g/mol
HS Code2930 40 10
Structure formula ImageStructure formula Image
Quality LevelMQ100
Applications
ApplicationL-Methionine for biochemistry. CAS 63-68-3, pH 5 - 7 (10 g/l, H₂O, 20 °C).
Biological Information
Physicochemical Information
Density1.34 g/cm3 (20 °C)
Melting Point280 - 282 °C
pH value5 - 7 (10 g/l, H₂O, 20 °C)
Bulk density550 kg/m3
Solubility48 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Patkány 36000 mg/kg
Safety Information according to GHS
RTECSPD0457000
Storage class10 - 13 Egyéb folyadékok és szilárd anyagok
WGKWGK 1 enyhén vízszennyező
Disposal3
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.
Safety Information
Product Usage Statements
Storage and Shipping Information
Storage+5°C és +30°C között tárolandó.
Packaging Information
Transport Information
Supplemental Information
Specifications
Assay (perchloric acid titration, calculated on dried substance)≥ 99.0 %
Identity (IR-spectrum)passes test
Appearancewhite or 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)+22.5 to +23.5
UV-Absorption (260 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l)≤ 0.50
UV-Absorption (280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l)≤ 0.20
Chloride (Cl)≤ 0.02 %
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 %
Loss on drying (105 °C; 3 h)≤ 0.3 %
Global Trade Item Number
Katalógusszám GTIN
1057071000 04022536067636
1057079010 04022536692753