Description
Saccharin, ROTI®Calipure is a melting point standard covering the range 226–229 °C, supplied as a finely defined reference material for physical-property determination. With CAS number 81-07-2, empirical formula C₇H₅NO₃S and molar mass 183,19 g/mol, it provides a clear chemical identity for calibration work. The boiling point is given as 388 °C. Offered in a 1 g glass pack, this preparation supports routine melting-point checks and instrument verification in analytical and quality-control laboratories. Categories of use include determination of physical properties and melting-point standards. The ROTI®Calipure grade from manufacturer Carl ROTH is intended where reproducible thermal behaviour is required for method setup and ongoing performance monitoring. Laboratories can integrate the standard into existing melting-point protocols without altering established workflows, relying on the stated identity data and pack presentation for traceable handling and documentation.
This article is part of Spectroscopy & physical property standards, in Analytical standards & reference materials.
Key features
- Meniscus formation: 226-230 °C
- Complete liquefaction: 226-230 °C
- Measurement uncertainty: ±0.3 °C
- CAS number: 81-07-2
- Pack size: 1 g glass
- EG nr.: 201-321-0
- Molar mass: 183,19 g/mol
- Boiling point: 388 °C
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Saccharin, ROTI®Calipure, Melting point standard 226-229 °C, 1 g, glass
What is this article?
Saccharin, ROTI®Calipure, Melting point standard 226-229 °C, 1 g, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Spectroscopy & physical property standards, inside Analytical standards & reference materials, in Lab chemicals.
These standards check a physical or optical measurement: a refractive-index liquid, a wavelength standard, a viscosity oil, a melting-point substance. The stated value and its uncertainty are the product. They are not general reagents.
A reference material is the article against which another result is compared. Its value is stated, and the uncertainty of that value is part of the product. An ICP or ion standard is a solution of known concentration. A volumetric standard is for titration. A chromatography standard is the peak you match. The grade names, including pharmacopoeia and ASTM, say which impurities were limited. Identity is checked on PubChem. Names follow IUPAC. Medicinal grades follow the European Pharmacopoeia and USP.
Which category should I open next?
The category is Analytical standards & reference materials. The sub-category is Spectroscopy & physical property standards. The catalogue is Lab chemicals.
Shelves beside this one are ICP, AAS & ion standards, Chromatography standards (GC, HPLC, pesticides), Reference substances & reagents (other), Volumetric standard solutions (titration), Reagents for analysis (Ph. Eur., ASTM, DIN) and Indicators & indicator solutions.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.