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102838 L-Cisztein

102838
Purchase on Sigma-Aldrich

Áttekintés

Replacement Information

Kulcsspecifikációk táblázata

CAS #Empirical Formula
52-90-4C₃H₇N O₂S

Products

KatalógusszámCsomagolás Menny./csomag
1028380025 Muanyagpalack 25 g
1028380100 Muanyagpalack 100 g
1028381000 Muanyagpalack 1 kg
1028389010 Muanyagdob 10 kg
Description
Catalogue Number102838
Synonymsa-Amino-ß-mercapto propionic acid, αlpha-Amino-ß-mercapto propionic acid, Cys, αlpha-Amino-beta-mercapto propionic acid
References
Product Information
CAS number52-90-4
EC number200-158-2
Hill FormulaC₃H₇N O₂S
Molar Mass121.16 g/mol
HS Code2930 90 12
Structure formula ImageStructure formula Image
Quality LevelMQ100
Applications
ApplicationL-Cysteine for biochemistry. CAS 52-90-4, pH 4.5 - 5.5 (100 g/l, H₂O, 20 °C).
Biological Information
Physicochemical Information
Density1.66 g/cm3 (45 °C)
Ignition temperature420 °C
Melting Point>203 °C
pH value4.5 - 5.5 (100 g/l, H₂O, 20 °C)
Bulk density300 kg/m3
Solubility280 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Patkány 1890 mg/kg
Safety Information according to GHS
RTECSHA1600000
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
Categories of dangeregészséget károsító hatású
Product Usage Statements
Storage and Shipping Information
Storage+30°C alatt tárolandó.
Packaging Information
Transport Information
Supplemental Information
Specifications
Assay (perchloric acid titration, calculated on dried substance)≥ 99.0
Identity (IR-spectrum)passes test
Appearancecolorless to white, needle-shaped crystals
Appearance of solution (100 g/l, hydrochloric acid  2 mol/l)clear and colorless
Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 1 mol/l, calc. on dried substance)+8.3 to +9.5
pH (25 g/l; CO₂-free water)4.5 - 5.5
Chloride (Cl)≤ 0.04 %
Sulfate (SO₄)≤ 0.03 %
Heavy metals (as Pb)≤ 0.001 %
As (Arsenic)≤ 0.0001 %
Ca (Calcium)≤ 0.001 %
Co (Cobalt)≤ 0.0005 %
Fe (Iron)≤ 0.001 %
K (Potassium)≤ 0.0005 %
Mg (Magnesium)≤ 0.0005 %
Na (Sodium)≤ 0.01 %
NH₄ (Ammonium)≤ 0.02 %
Zn (Zinc)≤ 0.0005 %
Foreign amino acids≤ 0.5 %
Other ninhydrine positive substances≤ 0.1 %
Loss on drying (105 °C; 3 h)≤ 0.5 %
Global Trade Item Number
Katalógusszám GTIN
1028380025 04022536037363
1028380100 04022536037370
1028381000 04022536037387
1028389010 04022536692678

Documentation

L-Cisztein MSDS

Title

Safety Data Sheet (SDS) 

L-Cisztein Certificates of Analysis

Cikkszám CsomagolásSpecifikációSarzsszám
1028380025 MuanyagpalackSpecifikációk, PDF dokumentum
1028380100 MuanyagpalackSpecifikációk, PDF dokumentum
1028381000 MuanyagpalackSpecifikációk, PDF dokumentum
1028389010 MuanyagdobSpecifikációk, PDF dokumentum