102838 L-Cysteine

102838
Price could not be retrieved
Minimum Quantity needs to be mulitiple of
Upon Order Completion More Information
You Saved ()
 
Request Pricing
Limited AvailabilityLimited Availability
Stocked 
Discontinued
Limited Quantities Available
Available
    Remaining : Will advise
      Remaining : Will advise
      Will advise
      Contact Customer Service
      Contact Customer Service
      View Pricing & Availability

      Overview

      Replacement Information

      Key Specifications Table

      Empirical FormulaCAS #
      C₃H₇NO₂S 52-90-4

      Pricing & Availability

      Catalog Number AvailabilityPackaging Qty/Pack Price Quantity
      1028380100
      Retrieving availability...
      Limited AvailabilityLimited Availability
      Stocked 
      Discontinued
      Limited Quantities Available
      Available
        Remaining : Will advise
          Remaining : Will advise
          Will advise
          Contact Customer Service
          Contact Customer Service

          Plastic bottle 100 g
          Retrieving price...
          Price could not be retrieved
          Minimum Quantity needs to be mulitiple of
          Upon Order Completion More Information
          You Saved ()
           
          Request Pricing
          1028381000
          Retrieving availability...
          Limited AvailabilityLimited Availability
          Stocked 
          Discontinued
          Limited Quantities Available
          Available
            Remaining : Will advise
              Remaining : Will advise
              Will advise
              Contact Customer Service
              Contact Customer Service

              Plastic bottle 1 kg
              Retrieving price...
              Price could not be retrieved
              Minimum Quantity needs to be mulitiple of
              Upon Order Completion More Information
              You Saved ()
               
              Request Pricing
              Description
              Catalogue Number102838
              Synonymsα-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 FormulaC₃H₇NO₂S
              Molar Mass121.16 g/mol
              HS Code2930 90 13
              Structure formula ImageStructure formula Image
              Applications
              ApplicationL-Cysteine for biochemistry. CAS 52-90-4, pH 4.5 - 5.5 (100 g/l, H₂O, 20 °C).
              Biological Information
              Physicochemical Information
              Ignition temperature420 °C
              Melting Point220 - 228 °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 Rat 1890 mg/kg
              Safety Information according to GHS
              Hazard Pictogram(s) Hazard Pictogram(s)
              Hazard Statement(s)H302: Harmful if swallowed.
              Signal WordWarning
              RTECSHA1600000
              Storage class10 - 13 Other liquids and solids
              WGKWGK 1 slightly hazardous to water
              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
              Hazard Symbols Hazard SymbolsHarmful
              Categories of dangerharmful
              R PhraseR 22
              Harmful if swallowed.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore below +30°C.
              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)≤ 0.0010 %
              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 %