Description
Malonic acid disodium salt monohydrate is a dicarboxylate salt for laboratory chemical and biochemical applications, registered under CAS number 26522-85-0 with the empirical formula C₃H₂Na₂O₄·H₂O. Its molar mass of 166,04 g/mol supports accurate preparation of solutions, buffers, and reaction mixtures where a defined disodium malonate monohydrate source is needed. The product is Identity data including CAS number, molecular formula, and molar mass facilitate documentation, traceability, and alignment with standard operating procedures in research and analytical settings. Supplied from manufacturer Carl ROTH, this salt fits chemical and biochemical catalogues serving organic synthesis, intermediate preparation, and related experimental work. The monohydrate designation clarifies the hydration state for stoichiometric and formulation calculations. Clear pack-size and chemical-identity information help laboratories place the reagent within existing inventory and quality systems while maintaining consistent specification across orders.
This article is part of Inorganic salts, in Inorganic chemicals.
Key features
- Colour: white to off-white
- Form: powder to crystalline powder
- Loss on drying: ≤11 %
- Assay (titr.): ≥98 %
- IR-spectrum: complies
- CAS number: 26522-85-0
- Pack sizes: 500 g, 1 kg, 2 kg
- Empirical formula: C₃H₂Na₂O₄·H₂O
- Molar mass: 166,04 g/mol
- Storage temperature: +2 to +8 °C
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Malonic acid disodium salt monohydrate, 500 g
What is this article?
Malonic acid disodium salt monohydrate, 500 g is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Organic building blocks & synthesis reagents, inside Organic chemicals & synthesis reagents, in Lab chemicals.
A building block is an organic molecule bought to become part of a larger one. The structure, the CAS number and the purity decide it. A 95 percent reagent and a 99.9 percent reagent of the same name leave different impurities in the product. The functional groups are the reason it was chosen.
An organic chemical is built on carbon. In this category it is a building block or a reagent for making another molecule: a starting material, a coupling agent, a polymer, a PEG. Purity is a specification of which impurities remain. The structure, the CAS number and the grade decide whether two bottles are the same substance. Structures and properties are on PubChem. Nomenclature is IUPAC. Classification follows ECHA and the CLP Regulation.
Which category should I open next?
The category is Organic chemicals & synthesis reagents. The sub-category is Organic building blocks & synthesis reagents. The catalogue is Lab chemicals.
Shelves beside this one are Polymers, PEGs & silicones and Click chemistry, bioconjugation & synthesis reagents.
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.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Delivery across Europe, two to five days when in stock. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

