This product is a primary-standard-grade solid, produced under stringent conditions and qualified in a DIN EN ISO/IEC 17025 accredited laboratory. As part of the Certipur® product line, it is directly traceable to Standard Reference Materials (SRM) from the National Institute of Standards and Technology (NIST). Its mass fraction is determined with the highest possible precision through potentiometric titration, making it an essential tool for laboratories requiring rigorous quality control and standardized results in chemical analysis.
Advantages
- Direct Traceability: Fully traceable to NIST Standard Reference Materials (SRM) for reliable and internationally recognized results.
- Regulatory Compliance: Meets the stringent requirements of both the United States Pharmacopeia (USP) and the European Pharmacopoeia (Ph. Eur.) for reagent-grade substances.
- Certified Quality: Produced and certified in accordance with ISO 17034 and measured in an ISO/IEC 17025 accredited laboratory.
- SmartChemicals Compatible: Selected packaging options include an RFID tag on the label, enabling seamless and error-free data transfer of the certificate information directly to your titration instrument.
- High Stability: Provided in secure glass bottles to ensure chemical stability throughout its entire shelf life.
Technical specifications
| Catalogue number |
1.02401 |
| Brand / Product Line |
Supelco® / Certipur® |
| Empirical Formula |
C7H6O2 (C6H5COOH) |
| Molecular Weight |
122.12 g/mol |
| CAS Number |
65-85-0 |
| Grade |
Volumetric standard CRM, Reag. Ph Eur, Reag. USP |
| pH Value |
2.5 – 3.5 (20 °C, saturated solution) |
| Melting Point |
121 – 123 °C |
| Storage Temperature |
15 – 25 °C |
Available packaging options
| 1.02401.0060 |
60 g glass bottle |
