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4-Hydroxybenzoic acid ethyl ester

ROTICHROM® Working Standard
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Ethyl-4-hydroxybenzoate, Ethylparaben
Empirical formula C9H10O3
Molar mass (M) 166,18 g/mol
Density (D) 1,291 g/cm³
Boiling point (bp) 178 °C
Melting point (mp) 118 °C
WGK 1
CAS No. 120-47-8
EG-Nr. 204-399-4


€267.70/Pack Qty. 

excl. VAT. | 100 mg per Pack Qty.

Art. No. NC07.1

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4-Hydroxybenzoic acid ethyl ester
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NC07.1 100 mg glass

€267.70

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Downloads / MSDS


General information

Reference Standards

The reference standards are offered as powders with good flowability and crystallinity to guarantee efficient handling in the laboratory. All products of this product line are filled in brown glass vials with screw caps and are packed in foil bags. This packaging provides optimum protection against environmental influences, even when stored over a long period of time. The reference standards are delivered as “ready-to-use” portions and are stored under controlled conditions.


Working Standards

ROTICHROM® Working Standards for Analysis

The ROTICHROM® Working Standards are traceable to established primary standards which are characterised extensively concerning identity and content. Therefore they can be used in all areas of analytics and they are a cost-saving alternative to primary standards. The standard comes with a certificate of analysis which includes proof of identity and defined assay.


For reference substances

  • ROTICHROM® HPLC
  • ROTICHROM® TLC
  • ROTICHROM® GC
  • a batch-specific
      HPLC-chromatogram, TLC-chromatogram and GC-chromatogram respectively
    is prepared, which you can find in the respective certificate of analysis. The batch-related certificate of analysis with chromatogram is available online.
      Reference substances
  • ROTICHROM® CHR
  • are examined chromatographically. The respective chromatograms are not included in the certificate of analysis.


    Certificates of Analysis

    You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
    The following analysis certificates have been found:

    Type analysis

    Assay (HPLC)≥90.0 %
    Identitycomplies
    Traceable to a primary reference standard. With proof of identity and batch specific certificate of analysis.