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110110 | 2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid

110110
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      Overview

      Replacement Information

      Key Specifications Table

      CAS #EC NumberHill FormulaMolar Mass
      7365-45-9 230-907-9 C₈H₁₈N₂O₄S 238.31 g/mol

      Pricing & Availability

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      1101101000
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          Plastic bottle 1 kg
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          1101106025
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              Plastic Box 25 kg
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              1101109025
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                  Fibre carton 25 kg
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                  Description
                  Catalogue Number110110
                  References
                  Product Information
                  CAS number7365-45-9
                  EC number230-907-9
                  Hill FormulaC₈H₁₈N₂O₄S
                  Molar Mass238.31 g/mol
                  HS Code2933 59 95
                  Structure formula Image
                  Applications
                  Application2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid Buffer substance HEPES. CAS 7365-45-9, pH 5.0 - 5.5 (100 g/l, H₂O, 20 °C). MSDS and product info below.
                  Biological Information
                  Physicochemical Information
                  Melting Point210 - 215 °C
                  pH value5.0 - 5.5 (100 g/l, H₂O, 20 °C)
                  Bulk density560 kg/m3
                  Solubility1350 g/l
                  Dimensions
                  Materials Information
                  Toxicological Information
                  LD 50 oralLD50 Rat > 2000 mg/kg
                  Safety Information according to GHS
                  RTECSTL6809000
                  Storage class10 - 13 Other liquids and solids
                  WGKWGK 1 slightly water endangering
                  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
                  StorageStore at +5°C to +30°C.
                  Packaging Information
                  Transport Information
                  Supplemental Information
                  Specifications
                  Assay (potentiometric; calc. on dry substance)≥ 99 %
                  Identity (IR-spectrum)passes test
                  UV-Absorption (260 nm; 1 mol/l; 1 cm; water)≤ 0.10
                  UV-Absorption (280 nm; 1 mol/l; 1 cm; water)≤ 0.08
                  UV-Absorption (330 nm; 50 %; 4 cm; water)≤ 0.40
                  UV-Absorption (440 nm; 50 %; 4 cm; water)≤ 0.20
                  Chloride (Cl)≤ 0.005 %
                  Sulphate (SO₄)≤ 0.005 %
                  Heavy metals (as Pb)≤ 0.0001 %
                  Cu (Copper)≤ 0.0002 %
                  Fe (Iron)≤ 0.0002 %
                  Na (Sodium)≤ 0.005 %
                  Pb (Lead)≤ 0.0001 %
                  Sulfated ash≤ 0.10 %
                  Loss on Drying (105°C)≤ 0.2 %
                  Biological buffer, pKa at 20 °C7.55

                  Documentation

                  SDS

                  Title

                  Safety Data Sheet (SDS) 

                  Certificates of Analysis

                  Product Number PackagingSpecificationLot Number
                  1101101000 Plastic bottlePDF Specification Document
                  1101106025 Plastic BoxPDF Specification Document
                  1101109025 Fibre cartonPDF Specification Document

                  Certificates

                  Title

                  Brochure

                  Title
                  HEPES
                  In Biopharmaceutical Manufacturing, EMD Chemicals Is With You Every Step Of The Way.
                  Nitric Oxide and Oxidative Stress Brochure