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In our shop, you can return most new and unused products within 30 days of delivery with no issues and receive a full refund.
If the error is on our end (e.g., wrong or damaged product), we will of course cover the return shipping costs. 🚚✅
The refund will be issued within 7 days after we receive your return.
In most cases, it's even faster!
| Name (English): | Maleic acid |
| Species: | pure for analysis |
| Chemical formula: | C₄H₄O₄ |
| Molar mass: | 116.07 g/mol |
| EC number: | 203-742-5 |
| CAS number: | 110-16-7 |
| TESTED VALUE | STANDARD |
| Content (calculated on anhydrous basis) | min. 99.0% |
| Fumaric acid | as specified |
| Heavy metals (e.g. Pb) | max. 0.001% |
| Iron (Fe) | max. 0.0005% |
| Residues after roasting (as SO₄) | max. 0.1% |
| Water-insoluble substances | as specified |
| Water (KF) | max. 1.5% |
| Appearance | white powder or crystals |
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