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105707 L-Methionin

105707
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Replacement Information

Tabulka spec. kláve

CAS #Empirical Formula
63-68-3C₅H₁₁NO₂S

Products

Katalogové čísloBalení ks/bal.
1057071000 Plastová láhev 1 kg
1057079010 Plastový sud 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 Potkan 36000 mg/kg
Safety Information according to GHS
RTECSPD0457000
Storage class10 - 13 Ostatní kapalné a tuhé látky
WGKWGK 1 látka mírně ohrožující vody
Disposal3
Relativně nereaktivní organické reagencie mohou být shromažďovány v kontejneru A. Pokud jsou halogenované, musí být umístěny v kontejneru B. U pevných reziduí použijte kontejner C.
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageSkladovat od +5°C do +30°C.
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
Katalogové číslo GTIN
1057071000 04022536067636
1057079010 04022536692753